Move geolocation code to content namespace.

TBR=scottmg
Review URL: https://codereview.chromium.org/11276058

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@164586 0039d316-1c4b-4281-b951-d872f2087c98

64 files changed, 602 insertions, 247 deletions

diff --git a/chrome/browser/geolocation/wifi_data_provider_chromeos.cc b/chrome/browser/geolocation/wifi_data_provider_chromeos.cc
index a415c66..265ddc1 100644
--- a/chrome/browser/geolocation/wifi_data_provider_chromeos.cc
+++ b/chrome/browser/geolocation/wifi_data_provider_chromeos.cc
@@ -12,7 +12,14 @@
 #include "chrome/browser/chromeos/cros/network_library.h"
 #include "content/public/browser/browser_thread.h"
 
+using content::AccessPointData;
 using content::BrowserThread;
+using content::GenericPollingPolicy;
+using content::PollingPolicyInterface;
+using content::WifiData;
+using content::WifiDataProvider;
+using content::WifiDataProviderCommon;
+using content::WifiDataProviderImplBase;
 
 namespace {
 // The time periods between successive polls of the wifi data.
diff --git a/chrome/browser/geolocation/wifi_data_provider_chromeos.h b/chrome/browser/geolocation/wifi_data_provider_chromeos.h
index 2d9fa7d..5d6ecae 100644
--- a/chrome/browser/geolocation/wifi_data_provider_chromeos.h
+++ b/chrome/browser/geolocation/wifi_data_provider_chromeos.h
@@ -12,17 +12,17 @@ namespace chromeos {
 class NetworkLibrary;
 }
 
-class WifiDataProviderChromeOs : public WifiDataProviderImplBase {
+class WifiDataProviderChromeOs : public content::WifiDataProviderImplBase {
  public:
   WifiDataProviderChromeOs();
 
   // WifiDataProviderImplBase
   virtual bool StartDataProvider() OVERRIDE;
   virtual void StopDataProvider() OVERRIDE;
-  virtual bool GetData(WifiData* data) OVERRIDE;
+  virtual bool GetData(content::WifiData* data) OVERRIDE;
 
   // Allows injection of |lib| for testing.
-  static WifiDataProviderCommon::WlanApiInterface* NewWlanApi(
+  static content::WifiDataProviderCommon::WlanApiInterface* NewWlanApi(
       chromeos::NetworkLibrary* lib);
 
  private:
@@ -35,13 +35,13 @@ class WifiDataProviderChromeOs : public WifiDataProviderImplBase {
 
   // Client thread
   void DidWifiScanTaskNoResults();
-  void DidWifiScanTask(const WifiData& new_data);
+  void DidWifiScanTask(const content::WifiData& new_data);
   void MaybeNotifyListeners(bool update_available);
   void DidStartFailed();
 
   // WifiDataProviderCommon
-  virtual WifiDataProviderCommon::WlanApiInterface* NewWlanApi();
-  virtual PollingPolicyInterface* NewPollingPolicy();
+  virtual content::WifiDataProviderCommon::WlanApiInterface* NewWlanApi();
+  virtual content::PollingPolicyInterface* NewPollingPolicy();
 
   // Will schedule a scan; i.e. enqueue DoWifiScanTask deferred task.
   void ScheduleNextScan(int interval);
@@ -53,13 +53,13 @@ class WifiDataProviderChromeOs : public WifiDataProviderImplBase {
   void ScheduleStop();
 
   // Underlying OS wifi API. (UI thread)
-  scoped_ptr<WifiDataProviderCommon::WlanApiInterface> wlan_api_;
+  scoped_ptr<content::WifiDataProviderCommon::WlanApiInterface> wlan_api_;
 
   // Controls the polling update interval. (client thread)
-  scoped_ptr<PollingPolicyInterface> polling_policy_;
+  scoped_ptr<content::PollingPolicyInterface> polling_policy_;
 
   // The latest wifi data. (client thread)
-  WifiData wifi_data_;
+  content::WifiData wifi_data_;
 
   // Whether we have strated the data provider. (client thread)
   bool started_;
diff --git a/chrome/browser/geolocation/wifi_data_provider_unittest_chromeos.cc b/chrome/browser/geolocation/wifi_data_provider_unittest_chromeos.cc
index 1407449..fbd9925 100644
--- a/chrome/browser/geolocation/wifi_data_provider_unittest_chromeos.cc
+++ b/chrome/browser/geolocation/wifi_data_provider_unittest_chromeos.cc
@@ -40,8 +40,8 @@ class GeolocationChromeOsWifiDataProviderTest : public testing::Test {
   }
 
   chromeos::MockNetworkLibrary net_lib_;
-  scoped_ptr<WifiDataProviderCommon::WlanApiInterface> api_;
-  WifiData::AccessPointDataSet ap_data_;
+  scoped_ptr<content::WifiDataProviderCommon::WlanApiInterface> api_;
+  content::WifiData::AccessPointDataSet ap_data_;
 };
 
 TEST_F(GeolocationChromeOsWifiDataProviderTest, WifiPoweredOff) {
diff --git a/content/browser/android/browser_jni_registrar.cc b/content/browser/android/browser_jni_registrar.cc
index 1ee779d..e539472 100644
--- a/content/browser/android/browser_jni_registrar.cc
+++ b/content/browser/android/browser_jni_registrar.cc
@@ -26,7 +26,7 @@ using content::SurfaceTexturePeerBrowserImpl;
 namespace {
 base::android::RegistrationMethod kContentRegisteredMethods[] = {
   { "AndroidLocationApiAdapter",
-    AndroidLocationApiAdapter::RegisterGeolocationService },
+    content::AndroidLocationApiAdapter::RegisterGeolocationService },
   { "AndroidBrowserProcess", content::RegisterAndroidBrowserProcess },
   { "BrowserProcessSurfaceTexture",
     SurfaceTexturePeerBrowserImpl::RegisterBrowserProcessSurfaceTexture },
diff --git a/content/browser/geolocation/arbitrator_dependency_factories_for_test.cc b/content/browser/geolocation/arbitrator_dependency_factories_for_test.cc
index fcdd095..8257d8a 100644
--- a/content/browser/geolocation/arbitrator_dependency_factories_for_test.cc
+++ b/content/browser/geolocation/arbitrator_dependency_factories_for_test.cc
@@ -4,7 +4,7 @@
 
 #include "content/browser/geolocation/arbitrator_dependency_factories_for_test.h"
 
-using content::AccessTokenStore;
+namespace content {
 
 GeolocationArbitratorDependencyFactoryWithLocationProvider::
     GeolocationArbitratorDependencyFactoryWithLocationProvider(
@@ -32,3 +32,4 @@ GeolocationArbitratorDependencyFactoryWithLocationProvider::
 ~GeolocationArbitratorDependencyFactoryWithLocationProvider() {
 }
 
+}  // namespace content
diff --git a/content/browser/geolocation/arbitrator_dependency_factories_for_test.h b/content/browser/geolocation/arbitrator_dependency_factories_for_test.h
index e3797f3..b57d78e 100644
--- a/content/browser/geolocation/arbitrator_dependency_factories_for_test.h
+++ b/content/browser/geolocation/arbitrator_dependency_factories_for_test.h
@@ -7,6 +7,8 @@
 
 #include "content/browser/geolocation/arbitrator_dependency_factory.h"
 
+namespace content {
+
 class GeolocationArbitratorDependencyFactoryWithLocationProvider
     : public DefaultGeolocationArbitratorDependencyFactory {
  public:
@@ -16,7 +18,7 @@ class GeolocationArbitratorDependencyFactoryWithLocationProvider
       LocationProviderFactoryFunction factory_function);
 
   virtual LocationProviderBase* NewNetworkLocationProvider(
-      content::AccessTokenStore* access_token_store,
+      AccessTokenStore* access_token_store,
       net::URLRequestContextGetter* context,
       const GURL& url,
       const string16& access_token) OVERRIDE;
@@ -29,5 +31,6 @@ class GeolocationArbitratorDependencyFactoryWithLocationProvider
   LocationProviderFactoryFunction factory_function_;
 };
 
+}  // namespace content
 
 #endif  // CONTENT_BROWSER_GEOLOCATION_ARBITRATOR_DEPENDENCY_FACTORIES_FOR_TEST_H_
diff --git a/content/browser/geolocation/arbitrator_dependency_factory.cc b/content/browser/geolocation/arbitrator_dependency_factory.cc
index 170f6d3..3a77112 100644
--- a/content/browser/geolocation/arbitrator_dependency_factory.cc
+++ b/content/browser/geolocation/arbitrator_dependency_factory.cc
@@ -9,7 +9,7 @@
 #include "content/public/browser/access_token_store.h"
 #include "content/public/browser/content_browser_client.h"
 
-using content::AccessTokenStore;
+namespace content {
 
 // GeolocationArbitratorDependencyFactory
 GeolocationArbitratorDependencyFactory::
@@ -24,7 +24,7 @@ DefaultGeolocationArbitratorDependencyFactory::GetTimeFunction() {
 
 AccessTokenStore*
 DefaultGeolocationArbitratorDependencyFactory::NewAccessTokenStore() {
-  return content::GetContentClient()->browser()->CreateAccessTokenStore();
+  return GetContentClient()->browser()->CreateAccessTokenStore();
 }
 
 LocationProviderBase*
@@ -37,16 +37,18 @@ DefaultGeolocationArbitratorDependencyFactory::NewNetworkLocationProvider(
   // Android uses its own SystemLocationProvider.
   return NULL;
 #else
-  return ::NewNetworkLocationProvider(access_token_store, context,
-                                      url, access_token);
+  return NewNetworkLocationProvider(access_token_store, context, url,
+                                    access_token);
 #endif
 }
 
 LocationProviderBase*
 DefaultGeolocationArbitratorDependencyFactory::NewSystemLocationProvider() {
-  return ::NewSystemLocationProvider();
+  return NewSystemLocationProvider();
 }
 
 DefaultGeolocationArbitratorDependencyFactory::
 ~DefaultGeolocationArbitratorDependencyFactory() {
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/arbitrator_dependency_factory.h b/content/browser/geolocation/arbitrator_dependency_factory.h
index 952726c..4affa8f 100644
--- a/content/browser/geolocation/arbitrator_dependency_factory.h
+++ b/content/browser/geolocation/arbitrator_dependency_factory.h
@@ -10,20 +10,19 @@
 #include "content/common/content_export.h"
 
 class GURL;
-class LocationProviderBase;
 
 namespace base {
 class Time;
 }
 
-namespace content {
-class AccessTokenStore;
-}
-
 namespace net {
 class URLRequestContextGetter;
 }
 
+namespace content {
+class AccessTokenStore;
+class LocationProviderBase;
+
 // Allows injection of factory methods for creating the location providers.
 // RefCounted for simplicity of writing tests.
 class CONTENT_EXPORT GeolocationArbitratorDependencyFactory
@@ -33,9 +32,9 @@ class CONTENT_EXPORT GeolocationArbitratorDependencyFactory
   typedef base::Time (*GetTimeNow)();
 
   virtual GetTimeNow GetTimeFunction() = 0;
-  virtual content::AccessTokenStore* NewAccessTokenStore() = 0;
+  virtual AccessTokenStore* NewAccessTokenStore() = 0;
   virtual LocationProviderBase* NewNetworkLocationProvider(
-      content::AccessTokenStore* access_token_store,
+      AccessTokenStore* access_token_store,
       net::URLRequestContextGetter* context,
       const GURL& url,
       const string16& access_token) = 0;
@@ -53,9 +52,9 @@ class CONTENT_EXPORT DefaultGeolocationArbitratorDependencyFactory
  public:
   // GeolocationArbitratorDependencyFactory
   virtual GetTimeNow GetTimeFunction() OVERRIDE;
-  virtual content::AccessTokenStore* NewAccessTokenStore() OVERRIDE;
+  virtual AccessTokenStore* NewAccessTokenStore() OVERRIDE;
   virtual LocationProviderBase* NewNetworkLocationProvider(
-      content::AccessTokenStore* access_token_store,
+      AccessTokenStore* access_token_store,
       net::URLRequestContextGetter* context,
       const GURL& url,
       const string16& access_token) OVERRIDE;
@@ -65,4 +64,6 @@ class CONTENT_EXPORT DefaultGeolocationArbitratorDependencyFactory
   virtual ~DefaultGeolocationArbitratorDependencyFactory();
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_ARBITRATOR_DEPENDENCY_FACTORY_H_
diff --git a/content/browser/geolocation/core_location_data_provider_mac.h b/content/browser/geolocation/core_location_data_provider_mac.h
index 1ad64c6..eab0e88 100644
--- a/content/browser/geolocation/core_location_data_provider_mac.h
+++ b/content/browser/geolocation/core_location_data_provider_mac.h
@@ -16,9 +16,11 @@
 
 #import <Foundation/Foundation.h>
 
-class CoreLocationProviderMac;
 @class CoreLocationWrapperMac;
 
+namespace content {
+class CoreLocationProviderMac;
+
 // Data provider class that allows CoreLocation to run in Chrome's UI thread
 // while existing on any of Chrome's threads (in this case the IO thread)
 class CoreLocationDataProviderMac
@@ -29,7 +31,7 @@ class CoreLocationDataProviderMac
   bool StartUpdating(CoreLocationProviderMac* provider);
   void StopUpdating();
 
-  void UpdatePosition(content::Geoposition* position);
+  void UpdatePosition(Geoposition* position);
 
  protected:
   friend class base::RefCountedThreadSafe<CoreLocationDataProviderMac>;
@@ -40,7 +42,7 @@ class CoreLocationDataProviderMac
   void StartUpdatingTask();
   void StopUpdatingTask();
   // This must execute in the origin thread (IO thread)
-  void PositionUpdated(content::Geoposition position);
+  void PositionUpdated(Geoposition position);
 
   // The wrapper class that supplies this class with position data
   scoped_nsobject<CoreLocationWrapperMac> wrapper_;
@@ -48,4 +50,6 @@ class CoreLocationDataProviderMac
   CoreLocationProviderMac* provider_;
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_CORE_LOCATION_DATA_PROVIDER_H_
diff --git a/content/browser/geolocation/core_location_data_provider_mac.mm b/content/browser/geolocation/core_location_data_provider_mac.mm
index de07254..51d09ad 100644
--- a/content/browser/geolocation/core_location_data_provider_mac.mm
+++ b/content/browser/geolocation/core_location_data_provider_mac.mm
@@ -17,7 +17,8 @@
 #include "content/browser/geolocation/core_location_provider_mac.h"
 #include "content/browser/geolocation/geolocation_provider.h"
 
-using content::BrowserThread;
+using content::CoreLocationDataProviderMac;
+using content::Geoposition;
 
 // A few required declarations since the CoreLocation headers are not available
 // with the Mac OS X 10.5 SDK.
@@ -140,7 +141,7 @@ enum {
 - (void)locationManager:(CLLocationManager*)manager
     didUpdateToLocation:(CLLocation*)newLocation
            fromLocation:(CLLocation*)oldLocation {
-  content::Geoposition position;
+  Geoposition position;
   position.latitude  = [newLocation coordinate].latitude;
   position.longitude = [newLocation coordinate].longitude;
   position.altitude  = [newLocation altitude];
@@ -149,20 +150,19 @@ enum {
   position.speed = [newLocation speed];
   position.heading = [newLocation course];
   position.timestamp = base::Time::Now();
-  position.error_code = content::Geoposition::ERROR_CODE_NONE;
+  position.error_code = Geoposition::ERROR_CODE_NONE;
   dataProvider_->UpdatePosition(&position);
 }
 
 - (void)locationManager:(CLLocationManager*)manager
        didFailWithError:(NSError*)error {
-  content::Geoposition position;
+  Geoposition position;
   switch ([error code]) {
     case kCLErrorLocationUnknown:
-      position.error_code =
-          content::Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
+      position.error_code = Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
       break;
     case kCLErrorDenied:
-      position.error_code = content::Geoposition::ERROR_CODE_PERMISSION_DENIED;
+      position.error_code = Geoposition::ERROR_CODE_PERMISSION_DENIED;
       break;
     default:
       NOTREACHED() << "Unknown CoreLocation error: " << [error code];
@@ -188,6 +188,8 @@ enum {
 
 @end
 
+namespace content {
+
 CoreLocationDataProviderMac::CoreLocationDataProviderMac() {
   if (MessageLoop::current() !=
       GeolocationProvider::GetInstance()->message_loop()) {
@@ -224,8 +226,7 @@ void CoreLocationDataProviderMac::StopUpdating() {
       base::Bind(&CoreLocationDataProviderMac::StopUpdatingTask, this));
 }
 
-void CoreLocationDataProviderMac::UpdatePosition(
-    content::Geoposition *position) {
+void CoreLocationDataProviderMac::UpdatePosition(Geoposition *position) {
   GeolocationProvider::GetInstance()->message_loop()->PostTask(
       FROM_HERE,
       base::Bind(&CoreLocationDataProviderMac::PositionUpdated, this,
@@ -244,10 +245,11 @@ void CoreLocationDataProviderMac::StopUpdatingTask() {
   [wrapper_ stopLocation];
 }
 
-void CoreLocationDataProviderMac::PositionUpdated(
-    content::Geoposition position) {
+void CoreLocationDataProviderMac::PositionUpdated(Geoposition position) {
   DCHECK(MessageLoop::current() ==
          GeolocationProvider::GetInstance()->message_loop());
   if (provider_)
     provider_->SetPosition(&position);
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/core_location_provider_mac.h b/content/browser/geolocation/core_location_provider_mac.h
index 999ce11..e18b815 100644
--- a/content/browser/geolocation/core_location_provider_mac.h
+++ b/content/browser/geolocation/core_location_provider_mac.h
@@ -12,6 +12,7 @@
 #include "content/browser/geolocation/location_provider.h"
 #include "content/public/common/geoposition.h"
 
+namespace content {
 class CoreLocationDataProviderMac;
 
 class CoreLocationProviderMac : public LocationProviderBase {
@@ -22,15 +23,17 @@ class CoreLocationProviderMac : public LocationProviderBase {
   // LocationProvider
   virtual bool StartProvider(bool high_accuracy) OVERRIDE;
   virtual void StopProvider() OVERRIDE;
-  virtual void GetPosition(content::Geoposition* position) OVERRIDE;
+  virtual void GetPosition(Geoposition* position) OVERRIDE;
 
   // Receives new positions and calls UpdateListeners
-  void SetPosition(content::Geoposition* position);
+  void SetPosition(Geoposition* position);
 
  private:
   bool is_updating_;
   CoreLocationDataProviderMac* data_provider_;
-  content::Geoposition position_;
+  Geoposition position_;
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_CORE_LOCATION_PROVIDER_MAC_H_
diff --git a/content/browser/geolocation/core_location_provider_mac.mm b/content/browser/geolocation/core_location_provider_mac.mm
index 80ffef9..0380247 100644
--- a/content/browser/geolocation/core_location_provider_mac.mm
+++ b/content/browser/geolocation/core_location_provider_mac.mm
@@ -9,6 +9,8 @@
 #include "content/browser/geolocation/core_location_data_provider_mac.h"
 #include "content/public/common/content_switches.h"
 
+namespace content {
+
 CoreLocationProviderMac::CoreLocationProviderMac()
     : is_updating_(false) {
   data_provider_ = new CoreLocationDataProviderMac();
@@ -36,18 +38,18 @@ void CoreLocationProviderMac::StopProvider() {
   is_updating_ = false;
 }
 
-void CoreLocationProviderMac::GetPosition(content::Geoposition* position) {
+void CoreLocationProviderMac::GetPosition(Geoposition* position) {
   DCHECK(position);
   *position = position_;
   DCHECK(position->Validate() ||
-         position->error_code != content::Geoposition::ERROR_CODE_NONE);
+         position->error_code != Geoposition::ERROR_CODE_NONE);
 }
 
-void CoreLocationProviderMac::SetPosition(content::Geoposition* position) {
+void CoreLocationProviderMac::SetPosition(Geoposition* position) {
   DCHECK(position);
   position_ = *position;
   DCHECK(position->Validate() ||
-         position->error_code != content::Geoposition::ERROR_CODE_NONE);
+         position->error_code != Geoposition::ERROR_CODE_NONE);
   UpdateListeners();
 }
 
@@ -58,3 +60,5 @@ LocationProviderBase* NewSystemLocationProvider() {
   }
   return NULL;
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/device_data_provider.cc b/content/browser/geolocation/device_data_provider.cc
index 4d98d5b..00c585b 100644
--- a/content/browser/geolocation/device_data_provider.cc
+++ b/content/browser/geolocation/device_data_provider.cc
@@ -4,6 +4,8 @@
 
 #include "content/browser/geolocation/device_data_provider.h"
 
+namespace content {
+
 // statics
 template<> DeviceDataProvider<WifiData>*
     DeviceDataProvider<WifiData>::instance_ = NULL;
@@ -48,3 +50,5 @@ bool WifiData::DiffersSignificantly(const WifiData& other) const {
   // Test how many have changed.
   return max_ap_count > num_common + difference_threadhold;
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/device_data_provider.h b/content/browser/geolocation/device_data_provider.h
index 36b3ec8..b1014ad 100644
--- a/content/browser/geolocation/device_data_provider.h
+++ b/content/browser/geolocation/device_data_provider.h
@@ -33,6 +33,8 @@
 #include "base/threading/non_thread_safe.h"
 #include "content/common/content_export.h"
 
+namespace content {
+
 // Wifi data relating to a single access point.
 struct CONTENT_EXPORT AccessPointData {
   AccessPointData();
@@ -302,4 +304,6 @@ class DeviceDataProvider : public base::NonThreadSafe {
 
 typedef DeviceDataProvider<WifiData> WifiDataProvider;
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_DEVICE_DATA_PROVIDER_H_
diff --git a/content/browser/geolocation/device_data_provider_unittest.cc b/content/browser/geolocation/device_data_provider_unittest.cc
index 640a8fc..87b896c 100644
--- a/content/browser/geolocation/device_data_provider_unittest.cc
+++ b/content/browser/geolocation/device_data_provider_unittest.cc
@@ -7,7 +7,7 @@
 #include "content/browser/geolocation/wifi_data_provider_common.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace {
+namespace content {
 
 class NullWifiDataListenerInterface
     : public WifiDataProviderCommon::ListenerInterface {
@@ -38,4 +38,4 @@ TEST(GeolocationDeviceDataProviderWifiData, CreateDestroy) {
   }
 }
 
-}  // namespace
+}  // namespace content
diff --git a/content/browser/geolocation/empty_device_data_provider.cc b/content/browser/geolocation/empty_device_data_provider.cc
index 11fce6d..57e25b0 100644
--- a/content/browser/geolocation/empty_device_data_provider.cc
+++ b/content/browser/geolocation/empty_device_data_provider.cc
@@ -4,6 +4,8 @@
 
 #include "content/browser/geolocation/empty_device_data_provider.h"
 
+namespace content {
+
 // Only define for platforms that lack a real wifi data provider.
 #if !defined(OS_WIN) && !defined(OS_MACOSX) && !defined(OS_LINUX)
 // static
@@ -12,3 +14,5 @@ WifiDataProviderImplBase* WifiDataProvider::DefaultFactoryFunction() {
   return new EmptyDeviceDataProvider<WifiData>();
 }
 #endif
+
+}  // namespace content
diff --git a/content/browser/geolocation/empty_device_data_provider.h b/content/browser/geolocation/empty_device_data_provider.h
index 2aac394..76653f5 100644
--- a/content/browser/geolocation/empty_device_data_provider.h
+++ b/content/browser/geolocation/empty_device_data_provider.h
@@ -7,6 +7,8 @@
 
 #include "content/browser/geolocation/device_data_provider.h"
 
+namespace content {
+
 // An implementation of DeviceDataProviderImplBase that does not provide any
 // data. Used on platforms where a given data type is not available.
 
@@ -29,4 +31,6 @@ class EmptyDeviceDataProvider : public DeviceDataProviderImplBase<DataType> {
   DISALLOW_COPY_AND_ASSIGN(EmptyDeviceDataProvider);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_EMPTY_DEVICE_DATA_PROVIDER_H_
diff --git a/content/browser/geolocation/geolocation_dispatcher_host.cc b/content/browser/geolocation/geolocation_dispatcher_host.cc
index e052541..c5591cd 100644
--- a/content/browser/geolocation/geolocation_dispatcher_host.cc
+++ b/content/browser/geolocation/geolocation_dispatcher_host.cc
@@ -18,7 +18,6 @@
 #include "content/common/geolocation_messages.h"
 
 namespace content {
-
 namespace {
 
 void NotifyArbitratorPermissionGranted() {
@@ -68,7 +67,7 @@ class GeolocationDispatcherHostImpl : public GeolocationDispatcherHost,
                                  const GURL& requesting_frame);
   void OnStartUpdating(int render_view_id,
                        const GURL& requesting_frame,
-                       bool enable_high_accuracy);
+      bool enable_high_accuracy);
   void OnStopUpdating(int render_view_id);
 
   // Updates the |location_arbitrator_| with the currently required update
@@ -162,7 +161,7 @@ void GeolocationDispatcherHostImpl::OnCancelPermissionRequest(
   DVLOG(1) << __FUNCTION__ << " " << render_process_id_ << ":"
            << render_view_id << ":" << bridge_id;
   if (geolocation_permission_context_) {
-    geolocation_permission_context_->CancelGeolocationPermissionRequest(
+  geolocation_permission_context_->CancelGeolocationPermissionRequest(
         render_process_id_, render_view_id, bridge_id, requesting_frame);
   }
 }
diff --git a/content/browser/geolocation/geolocation_dispatcher_host.h b/content/browser/geolocation/geolocation_dispatcher_host.h
index f3e03af..0631c87 100644
--- a/content/browser/geolocation/geolocation_dispatcher_host.h
+++ b/content/browser/geolocation/geolocation_dispatcher_host.h
@@ -17,7 +17,7 @@ class GeolocationDispatcherHost : public BrowserMessageFilter {
  public:
   static GeolocationDispatcherHost* New(
       int render_process_id,
-      content::GeolocationPermissionContext* geolocation_permission_context);
+      GeolocationPermissionContext* geolocation_permission_context);
 
  protected:
   GeolocationDispatcherHost();
diff --git a/content/browser/geolocation/geolocation_observer.h b/content/browser/geolocation/geolocation_observer.h
index 0411ad0..f498ff8 100644
--- a/content/browser/geolocation/geolocation_observer.h
+++ b/content/browser/geolocation/geolocation_observer.h
@@ -10,7 +10,6 @@
 
 namespace content {
 struct Geoposition;
-}
 
 // This interface is implemented by observers of GeolocationProvider as
 // well as GeolocationProvider itself as an observer of GeolocationArbitrator.
@@ -19,7 +18,7 @@ class CONTENT_EXPORT GeolocationObserver {
   // This will be called whenever the 'best available' location is updated,
   // or when an error is encountered meaning no location data will be
   // available in the forseeable future.
-  virtual void OnLocationUpdate(const content::Geoposition& position) = 0;
+  virtual void OnLocationUpdate(const Geoposition& position) = 0;
 
  protected:
   GeolocationObserver() {}
@@ -55,4 +54,6 @@ struct GeolocationObserverOptions {
   bool use_high_accuracy;
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_OBSERVER_H_
diff --git a/content/browser/geolocation/geolocation_provider.cc b/content/browser/geolocation/geolocation_provider.cc
index f1d2dd5..2b626d8 100644
--- a/content/browser/geolocation/geolocation_provider.cc
+++ b/content/browser/geolocation/geolocation_provider.cc
@@ -14,7 +14,7 @@
 #include "content/browser/geolocation/location_arbitrator.h"
 #include "content/public/browser/browser_thread.h"
 
-using content::BrowserThread;
+namespace content {
 
 void GeolocationProvider::AddObserver(GeolocationObserver* observer,
     const GeolocationObserverOptions& update_options) {
@@ -22,7 +22,7 @@ void GeolocationProvider::AddObserver(GeolocationObserver* observer,
   observers_[observer] = update_options;
   OnClientsChanged();
   if (position_.Validate() ||
-      position_.error_code != content::Geoposition::ERROR_CODE_NONE)
+      position_.error_code != Geoposition::ERROR_CODE_NONE)
     observer->OnLocationUpdate(position_);
 }
 
@@ -35,7 +35,7 @@ bool GeolocationProvider::RemoveObserver(GeolocationObserver* observer) {
 }
 
 void GeolocationProvider::RequestCallback(
-    const content::GeolocationUpdateCallback& callback) {
+    const GeolocationUpdateCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   callbacks_.push_back(callback);
   OnClientsChanged();
@@ -55,8 +55,7 @@ bool GeolocationProvider::HasPermissionBeenGranted() const {
   return is_permission_granted_;
 }
 
-void GeolocationProvider::OnLocationUpdate(
-    const content::Geoposition& position) {
+void GeolocationProvider::OnLocationUpdate(const Geoposition& position) {
   DCHECK(OnGeolocationThread());
   // Will be true only in testing.
   if (ignore_location_updates_)
@@ -68,7 +67,7 @@ void GeolocationProvider::OnLocationUpdate(
 }
 
 void GeolocationProvider::OverrideLocationForTesting(
-    const content::Geoposition& position) {
+    const Geoposition& position) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   position_ = position;
   ignore_location_updates_ = true;
@@ -155,10 +154,10 @@ void GeolocationProvider::InformProvidersPermissionGranted() {
   arbitrator_->OnPermissionGranted();
 }
 
-void GeolocationProvider::NotifyClients(const content::Geoposition& position) {
+void GeolocationProvider::NotifyClients(const Geoposition& position) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   DCHECK(position.Validate() ||
-         position.error_code != content::Geoposition::ERROR_CODE_NONE);
+         position.error_code != Geoposition::ERROR_CODE_NONE);
   position_ = position;
   ObserverMap::const_iterator it = observers_.begin();
   while (it != observers_.end()) {
@@ -192,3 +191,5 @@ void GeolocationProvider::CleanUp() {
   delete arbitrator_;
   arbitrator_ = NULL;
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/geolocation_provider.h b/content/browser/geolocation/geolocation_provider.h
index 1c01063..a7f7c2d 100644
--- a/content/browser/geolocation/geolocation_provider.h
+++ b/content/browser/geolocation/geolocation_provider.h
@@ -16,9 +16,11 @@
 #include "content/public/browser/geolocation.h"
 #include "content/public/common/geoposition.h"
 
+template<typename Type> struct DefaultSingletonTraits;
+
+namespace content {
 class GeolocationArbitrator;
 class GeolocationProviderTest;
-template<typename Type> struct DefaultSingletonTraits;
 
 // This is the main API to the geolocation subsystem. The application will hold
 // a single instance of this class and can register multiple clients to be
@@ -51,19 +53,18 @@ class CONTENT_EXPORT GeolocationProvider
   // Request a single callback when the next location update becomes available.
   // Callbacks must only be requested by code that is allowed to access the
   // location. No further permission checks will be made.
-  void RequestCallback(const content::GeolocationUpdateCallback& callback);
+  void RequestCallback(const GeolocationUpdateCallback& callback);
 
   void OnPermissionGranted();
   bool HasPermissionBeenGranted() const;
 
   // GeolocationObserver implementation.
-  virtual void OnLocationUpdate(const content::Geoposition& position) OVERRIDE;
+  virtual void OnLocationUpdate(const Geoposition& position) OVERRIDE;
 
   // Overrides the location for automation/testing. Suppresses any further
   // updates from the actual providers and sends an update with the overridden
   // position to all registered clients.
-  void OverrideLocationForTesting(
-      const content::Geoposition& override_position);
+  void OverrideLocationForTesting(const Geoposition& override_position);
 
   // Gets a pointer to the singleton instance of the location relayer, which
   // is in turn bound to the browser's global context objects. This must only be
@@ -80,7 +81,7 @@ class CONTENT_EXPORT GeolocationProvider
   typedef std::map<GeolocationObserver*, GeolocationObserverOptions>
       ObserverMap;
 
-  typedef std::vector<content::GeolocationUpdateCallback> CallbackList;
+  typedef std::vector<GeolocationUpdateCallback> CallbackList;
 
   bool OnGeolocationThread() const;
 
@@ -100,7 +101,7 @@ class CONTENT_EXPORT GeolocationProvider
   void InformProvidersPermissionGranted();
 
   // Notifies all registered clients that a position update is available.
-  void NotifyClients(const content::Geoposition& position);
+  void NotifyClients(const Geoposition& position);
 
   // Thread
   virtual void Init() OVERRIDE;
@@ -110,7 +111,7 @@ class CONTENT_EXPORT GeolocationProvider
   ObserverMap observers_;
   CallbackList callbacks_;
   bool is_permission_granted_;
-  content::Geoposition position_;
+  Geoposition position_;
 
   // True only in testing, where we want to use a custom position.
   bool ignore_location_updates_;
@@ -121,4 +122,6 @@ class CONTENT_EXPORT GeolocationProvider
   DISALLOW_COPY_AND_ASSIGN(GeolocationProvider);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_PROVIDER_H_
diff --git a/content/browser/geolocation/geolocation_provider_unittest.cc b/content/browser/geolocation/geolocation_provider_unittest.cc
index 6fe87ee..d0e36c1 100644
--- a/content/browser/geolocation/geolocation_provider_unittest.cc
+++ b/content/browser/geolocation/geolocation_provider_unittest.cc
@@ -22,13 +22,12 @@
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-using content::Geoposition;
 using testing::MakeMatcher;
 using testing::Matcher;
 using testing::MatcherInterface;
 using testing::MatchResultListener;
 
-namespace {
+namespace content {
 class NonSingletonGeolocationProvider : public GeolocationProvider {
  public:
   NonSingletonGeolocationProvider() {}
@@ -55,7 +54,7 @@ class StartStopMockLocationProvider : public MockLocationProvider {
 // existing FakeAccessTokenStore class cannot be used here because it is based
 // on gmock and gmock is not thread-safe on Windows.
 // See: http://code.google.com/p/googlemock/issues/detail?id=156
-class TestingAccessTokenStore : public content::AccessTokenStore {
+class TestingAccessTokenStore : public AccessTokenStore {
  public:
   TestingAccessTokenStore(base::WaitableEvent* event) : event_(event) {}
 
@@ -80,12 +79,12 @@ class TestingDependencyFactory
  public:
   TestingDependencyFactory(base::WaitableEvent* event) : event_(event) {}
 
-  virtual content::AccessTokenStore* NewAccessTokenStore() OVERRIDE {
+  virtual AccessTokenStore* NewAccessTokenStore() OVERRIDE {
     return new TestingAccessTokenStore(event_);
   }
 
   virtual LocationProviderBase* NewNetworkLocationProvider(
-      content::AccessTokenStore* access_token_store,
+      AccessTokenStore* access_token_store,
       net::URLRequestContextGetter* context,
       const GURL& url,
       const string16& access_token) OVERRIDE {
@@ -106,27 +105,27 @@ class TestingDependencyFactory
 class NullGeolocationObserver : public GeolocationObserver {
  public:
   // GeolocationObserver
-  virtual void OnLocationUpdate(const content::Geoposition& position) {}
+  virtual void OnLocationUpdate(const Geoposition& position) {}
 };
 
 class MockGeolocationObserver : public GeolocationObserver {
  public:
   // GeolocationObserver
-  MOCK_METHOD1(OnLocationUpdate, void(const content::Geoposition& position));
+  MOCK_METHOD1(OnLocationUpdate, void(const Geoposition& position));
 };
 
 class MockGeolocationCallbackWrapper {
  public:
-  MOCK_METHOD1(Callback, void(const content::Geoposition& position));
+  MOCK_METHOD1(Callback, void(const Geoposition& position));
 };
 
 class GeopositionEqMatcher
-    : public MatcherInterface<const content::Geoposition&> {
+    : public MatcherInterface<const Geoposition&> {
  public:
-  explicit GeopositionEqMatcher(const content::Geoposition& expected)
+  explicit GeopositionEqMatcher(const Geoposition& expected)
       : expected_(expected) {}
 
-  virtual bool MatchAndExplain(const content::Geoposition& actual,
+  virtual bool MatchAndExplain(const Geoposition& actual,
                                MatchResultListener* listener) const OVERRIDE {
     return actual.latitude == expected_.latitude &&
            actual.longitude == expected_.longitude &&
@@ -149,13 +148,12 @@ class GeopositionEqMatcher
   }
 
  private:
-  content::Geoposition expected_;
+  Geoposition expected_;
 
   DISALLOW_COPY_AND_ASSIGN(GeopositionEqMatcher);
 };
 
-Matcher<const content::Geoposition&> GeopositionEq(
-    const content::Geoposition& expected) {
+Matcher<const Geoposition&> GeopositionEq(const Geoposition& expected) {
   return MakeMatcher(new GeopositionEqMatcher(expected));
 }
 
@@ -163,7 +161,7 @@ class GeolocationProviderTest : public testing::Test {
  protected:
   GeolocationProviderTest()
       : message_loop_(),
-        io_thread_(content::BrowserThread::IO, &message_loop_),
+        io_thread_(BrowserThread::IO, &message_loop_),
         event_(false, false),
         dependency_factory_(new TestingDependencyFactory(&event_)),
         provider_(new NonSingletonGeolocationProvider) {
@@ -181,7 +179,7 @@ class GeolocationProviderTest : public testing::Test {
   }
 
   MessageLoop message_loop_;
-  content::TestBrowserThread io_thread_;
+  TestBrowserThread io_thread_;
 
   base::WaitableEvent event_;
   scoped_refptr<TestingDependencyFactory> dependency_factory_;
@@ -213,8 +211,8 @@ TEST_F(GeolocationProviderTest, StartStop) {
 }
 
 TEST_F(GeolocationProviderTest, OverrideLocationForTesting) {
-  content::Geoposition position;
-  position.error_code = content::Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
+  Geoposition position;
+  position.error_code = Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
   provider_->OverrideLocationForTesting(position);
   // Adding an observer when the location is overridden should synchronously
   // update the observer with our overridden position.
@@ -237,7 +235,7 @@ TEST_F(GeolocationProviderTest, Callback) {
   // Wait for token load request from the arbitrator to come through.
   WaitAndReset();
 
-  content::Geoposition position;
+  Geoposition position;
   position.latitude = 12;
   position.longitude = 34;
   position.accuracy = 56;
@@ -248,4 +246,4 @@ TEST_F(GeolocationProviderTest, Callback) {
   WaitAndReset();
 }
 
-}  // namespace
+}  // namespace content
diff --git a/content/browser/geolocation/gps_location_provider_linux.cc b/content/browser/geolocation/gps_location_provider_linux.cc
index 6b23b90..b9c8ec3 100644
--- a/content/browser/geolocation/gps_location_provider_linux.cc
+++ b/content/browser/geolocation/gps_location_provider_linux.cc
@@ -22,6 +22,7 @@
 #include "third_party/gpsd/release-3.1/gps.h"
 #endif  // defined(USE_LIBGPS)
 
+namespace content {
 namespace {
 
 const int kGpsdReconnectRetryIntervalMillis = 10 * 1000;
@@ -39,8 +40,8 @@ const int kMovementThresholdMeters = 20;
 // The arbitrary delta is decreased (Gears used 100 meters); if we need to
 // decrease it any further we'll likely want to do some smarter filtering to
 // remove GPS location jitter noise.
-bool PositionsDifferSiginificantly(const content::Geoposition& position_1,
-                                   const content::Geoposition& position_2) {
+bool PositionsDifferSiginificantly(const Geoposition& position_1,
+                                   const Geoposition& position_2) {
   const bool pos_1_valid = position_1.Validate();
   if (pos_1_valid != position_2.Validate())
     return true;
@@ -275,7 +276,7 @@ bool GpsLocationProviderLinux::StartProvider(bool high_accuracy) {
     DCHECK(weak_factory_.HasWeakPtrs());
     return true;
   }
-  position_.error_code = content::Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
+  position_.error_code = Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
   gps_.reset(libgps_factory_());
   if (gps_ == NULL) {
     DLOG(WARNING) << "libgps could not be loaded";
@@ -290,11 +291,11 @@ void GpsLocationProviderLinux::StopProvider() {
   gps_.reset();
 }
 
-void GpsLocationProviderLinux::GetPosition(content::Geoposition* position) {
+void GpsLocationProviderLinux::GetPosition(Geoposition* position) {
   DCHECK(position);
   *position = position_;
   DCHECK(position->Validate() ||
-         position->error_code != content::Geoposition::ERROR_CODE_NONE);
+         position->error_code != Geoposition::ERROR_CODE_NONE);
 }
 
 void GpsLocationProviderLinux::UpdatePosition() {
@@ -308,19 +309,18 @@ void GpsLocationProviderLinux::DoGpsPollTask() {
     return;
   }
 
-  content::Geoposition new_position;
+  Geoposition new_position;
   if (!gps_->Read(&new_position)) {
     ScheduleNextGpsPoll(poll_period_stationary_millis_);
     return;
   }
 
   DCHECK(new_position.Validate() ||
-         new_position.error_code != content::Geoposition::ERROR_CODE_NONE);
+         new_position.error_code != Geoposition::ERROR_CODE_NONE);
   const bool differ = PositionsDifferSiginificantly(position_, new_position);
   ScheduleNextGpsPoll(differ ? poll_period_moving_millis_ :
                                poll_period_stationary_millis_);
-  if (differ ||
-      new_position.error_code != content::Geoposition::ERROR_CODE_NONE) {
+  if (differ || new_position.error_code != Geoposition::ERROR_CODE_NONE) {
     // Update if the new location is interesting or we have an error to report.
     position_ = new_position;
     UpdateListeners();
@@ -339,3 +339,5 @@ void GpsLocationProviderLinux::ScheduleNextGpsPoll(int interval) {
 LocationProviderBase* NewSystemLocationProvider() {
   return new GpsLocationProviderLinux(LibGps::New);
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/gps_location_provider_linux.h b/content/browser/geolocation/gps_location_provider_linux.h
index 61936de..c6c1eba 100644
--- a/content/browser/geolocation/gps_location_provider_linux.h
+++ b/content/browser/geolocation/gps_location_provider_linux.h
@@ -17,6 +17,8 @@
 #include "content/common/content_export.h"
 #include "content/public/common/geoposition.h"
 
+namespace content {
+
 // Defines a wrapper around the C libgps API (gps.h). Similar to the libgpsmm.h
 // API provided by that package.
 class CONTENT_EXPORT LibGps {
@@ -83,7 +85,7 @@ class CONTENT_EXPORT GpsLocationProviderLinux : public LocationProviderBase {
   // LocationProvider
   virtual bool StartProvider(bool high_accuracy) OVERRIDE;
   virtual void StopProvider() OVERRIDE;
-  virtual void GetPosition(content::Geoposition* position) OVERRIDE;
+  virtual void GetPosition(Geoposition* position) OVERRIDE;
   virtual void UpdatePosition() OVERRIDE;
 
  private:
@@ -99,10 +101,12 @@ class CONTENT_EXPORT GpsLocationProviderLinux : public LocationProviderBase {
 
   const LibGpsFactory libgps_factory_;
   scoped_ptr<LibGps> gps_;
-  content::Geoposition position_;
+  Geoposition position_;
 
   // Holder for the tasks which run on the thread; takes care of cleanup.
   base::WeakPtrFactory<GpsLocationProviderLinux> weak_factory_;
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_GPS_LOCATION_PROVIDER_LINUX_H_
diff --git a/content/browser/geolocation/gps_location_provider_unittest_linux.cc b/content/browser/geolocation/gps_location_provider_unittest_linux.cc
index 6f4053c..4cba202 100644
--- a/content/browser/geolocation/gps_location_provider_unittest_linux.cc
+++ b/content/browser/geolocation/gps_location_provider_unittest_linux.cc
@@ -8,16 +8,14 @@
 
 #include "base/bind.h"
 
-using content::BrowserThread;
-using content::BrowserThreadImpl;
+namespace content {
 
-namespace {
 class MockLibGps : public LibGps {
  public:
   MockLibGps();
   ~MockLibGps();
 
-  virtual bool GetPositionIfFixed(content::Geoposition* position) {
+  virtual bool GetPositionIfFixed(Geoposition* position) {
     CHECK(position);
     ++get_position_calls_;
     *position = get_position_;
@@ -46,7 +44,7 @@ class MockLibGps : public LibGps {
   int gps_open_ret_;
   int gps_read_calls_;
   int gps_read_ret_;
-  content::Geoposition get_position_;
+  Geoposition get_position_;
   static MockLibGps* g_instance_;
 };
 
@@ -77,8 +75,8 @@ class GeolocationGpsProviderLinuxTests : public testing::Test {
   scoped_ptr<GpsLocationProviderLinux> provider_;
 };
 
-void CheckValidPosition(const content::Geoposition& expected,
-                        const content::Geoposition& actual) {
+void CheckValidPosition(const Geoposition& expected,
+                        const Geoposition& actual) {
   EXPECT_TRUE(actual.Validate());
   EXPECT_DOUBLE_EQ(expected.latitude, actual.latitude);
   EXPECT_DOUBLE_EQ(expected.longitude, actual.longitude);
@@ -95,8 +93,7 @@ MockLibGps::MockLibGps()
       gps_open_ret_(0),
       gps_read_calls_(0),
       gps_read_ret_(0) {
-  get_position_.error_code =
-      content::Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
+  get_position_.error_code = Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
   EXPECT_FALSE(g_instance_);
   g_instance_ = this;
 }
@@ -121,11 +118,10 @@ TEST_F(GeolocationGpsProviderLinuxTests, NoLibGpsInstalled) {
   ASSERT_TRUE(provider_.get());
   const bool ok = provider_->StartProvider(true);
   EXPECT_FALSE(ok);
-  content::Geoposition position;
+  Geoposition position;
   provider_->GetPosition(&position);
   EXPECT_FALSE(position.Validate());
-  EXPECT_EQ(content::Geoposition::ERROR_CODE_POSITION_UNAVAILABLE,
-            position.error_code);
+  EXPECT_EQ(Geoposition::ERROR_CODE_POSITION_UNAVAILABLE, position.error_code);
 }
 
 #if defined(OS_CHROMEOS)
@@ -138,13 +134,12 @@ TEST_F(GeolocationGpsProviderLinuxTests, GetPosition) {
   EXPECT_EQ(0, MockLibGps::g_instance_->get_position_calls_);
   EXPECT_EQ(0, MockLibGps::g_instance_->gps_open_calls_);
   EXPECT_EQ(0, MockLibGps::g_instance_->gps_read_calls_);
-  content::Geoposition position;
+  Geoposition position;
   provider_->GetPosition(&position);
   EXPECT_FALSE(position.Validate());
-  EXPECT_EQ(content::Geoposition::ERROR_CODE_POSITION_UNAVAILABLE,
-            position.error_code);
+  EXPECT_EQ(Geoposition::ERROR_CODE_POSITION_UNAVAILABLE, position.error_code);
   MockLibGps::g_instance_->get_position_.error_code =
-      content::Geoposition::ERROR_CODE_NONE;
+      Geoposition::ERROR_CODE_NONE;
   MockLibGps::g_instance_->get_position_.latitude = 4.5;
   MockLibGps::g_instance_->get_position_.longitude = -34.1;
   MockLibGps::g_instance_->get_position_.accuracy = 345;
@@ -183,9 +178,9 @@ TEST_F(GeolocationGpsProviderLinuxTests, LibGpsReconnect) {
   // Let gps_open() fails, and so will LibGps::Start().
   // Reconnect will happen in 1000ms.
   MockLibGps::g_instance_->gps_open_ret_ = 1;
-  content::Geoposition position;
+  Geoposition position;
   MockLibGps::g_instance_->get_position_.error_code =
-      content::Geoposition::ERROR_CODE_NONE;
+      Geoposition::ERROR_CODE_NONE;
   MockLibGps::g_instance_->get_position_.latitude = 4.5;
   MockLibGps::g_instance_->get_position_.longitude = -34.1;
   MockLibGps::g_instance_->get_position_.accuracy = 345;
@@ -209,4 +204,4 @@ TEST_F(GeolocationGpsProviderLinuxTests, LibGpsReconnect) {
 
 #endif  // #if defined(OS_CHROMEOS)
 
-}  // namespace
+}  // namespace content
diff --git a/content/browser/geolocation/libgps_wrapper_linux.cc b/content/browser/geolocation/libgps_wrapper_linux.cc
new file mode 100644
index 0000000..a1eb9d1
--- /dev/null
+++ b/content/browser/geolocation/libgps_wrapper_linux.cc
@@ -0,0 +1,177 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/browser/geolocation/libgps_wrapper_linux.h"
+
+#include <math.h>
+#include <dlfcn.h>
+#include <errno.h>
+
+#include "base/logging.h"
+#include "base/stringprintf.h"
+#include "content/public/common/geoposition.h"
+#include "third_party/gpsd/release-3.1/gps.h"
+
+COMPILE_ASSERT(GPSD_API_MAJOR_VERSION == 5, GPSD_API_version_is_not_5);
+
+namespace content {
+namespace {
+const char kLibGpsName[] = "libgps.so.20";
+}  // namespace
+
+LibGps::LibGps(void* dl_handle,
+               gps_open_fn gps_open,
+               gps_close_fn gps_close,
+               gps_read_fn gps_read)
+    : dl_handle_(dl_handle),
+      gps_open_(gps_open),
+      gps_close_(gps_close),
+      gps_read_(gps_read),
+      gps_data_(new gps_data_t),
+      is_open_(false) {
+  DCHECK(gps_open_);
+  DCHECK(gps_close_);
+  DCHECK(gps_read_);
+}
+
+LibGps::~LibGps() {
+  Stop();
+  if (dl_handle_) {
+    const int err = dlclose(dl_handle_);
+    DCHECK_EQ(0, err) << "Error closing dl handle: " << err;
+  }
+}
+
+LibGps* LibGps::New() {
+  void* dl_handle = dlopen(kLibGpsName, RTLD_LAZY);
+  if (!dl_handle) {
+    DLOG(WARNING) << "Could not open " << kLibGpsName << ": " << dlerror();
+    return NULL;
+  }
+
+  DLOG(INFO) << "Loaded " << kLibGpsName;
+
+  #define DECLARE_FN_POINTER(function)                                   \
+    function##_fn function = reinterpret_cast<function##_fn>(            \
+        dlsym(dl_handle, #function));                                    \
+    if (!function) {                                                     \
+      DLOG(WARNING) << "libgps " << #function << " error: " << dlerror(); \
+      dlclose(dl_handle);                                                \
+      return NULL;                                                       \
+    }
+  DECLARE_FN_POINTER(gps_open);
+  DECLARE_FN_POINTER(gps_close);
+  DECLARE_FN_POINTER(gps_read);
+  // We don't use gps_shm_read() directly, just to make sure that libgps has
+  // the shared memory support.
+  typedef int (*gps_shm_read_fn)(struct gps_data_t*);
+  DECLARE_FN_POINTER(gps_shm_read);
+  #undef DECLARE_FN_POINTER
+
+  return new LibGps(dl_handle, gps_open, gps_close, gps_read);
+}
+
+bool LibGps::Start() {
+  if (is_open_)
+    return true;
+
+#if defined(OS_CHROMEOS)
+  errno = 0;
+  if (gps_open_(GPSD_SHARED_MEMORY, 0, gps_data_.get()) != 0) {
+    // See gps.h NL_NOxxx for definition of gps_open() error numbers.
+    DLOG(WARNING) << "gps_open() failed " << errno;
+    return false;
+  } else {
+    is_open_ = true;
+    return true;
+  }
+#else  // drop the support for desktop linux for now
+  DLOG(WARNING) << "LibGps is only supported on ChromeOS";
+  return false;
+#endif
+}
+void LibGps::Stop() {
+  if (is_open_)
+    gps_close_(gps_data_.get());
+  is_open_ = false;
+}
+
+bool LibGps::Read(Geoposition* position) {
+  DCHECK(position);
+  position->error_code = Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
+  if (!is_open_) {
+      DLOG(WARNING) << "No gpsd connection";
+      position->error_message = "No gpsd connection";
+      return false;
+  }
+
+  if (gps_read_(gps_data_.get()) < 0) {
+      DLOG(WARNING) << "gps_read() fails";
+      position->error_message = "gps_read() fails";
+      return false;
+  }
+
+  if (!GetPositionIfFixed(position)) {
+      DLOG(WARNING) << "No fixed position";
+      position->error_message = "No fixed position";
+      return false;
+  }
+
+  position->error_code = Geoposition::ERROR_CODE_NONE;
+  position->timestamp = base::Time::Now();
+  if (!position->Validate()) {
+    // GetPositionIfFixed returned true, yet we've not got a valid fix.
+    // This shouldn't happen; something went wrong in the conversion.
+    NOTREACHED() << "Invalid position from GetPositionIfFixed: lat,long "
+                 << position->latitude << "," << position->longitude
+                 << " accuracy " << position->accuracy << " time "
+                 << position->timestamp.ToDoubleT();
+    position->error_code = Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
+    position->error_message = "Bad fix from gps";
+    return false;
+  }
+  return true;
+}
+
+bool LibGps::GetPositionIfFixed(Geoposition* position) {
+  DCHECK(position);
+  if (gps_data_->status == STATUS_NO_FIX) {
+    DVLOG(2) << "Status_NO_FIX";
+    return false;
+  }
+
+  if (isnan(gps_data_->fix.latitude) || isnan(gps_data_->fix.longitude)) {
+    DVLOG(2) << "No valid lat/lon value";
+    return false;
+  }
+
+  position->latitude = gps_data_->fix.latitude;
+  position->longitude = gps_data_->fix.longitude;
+
+  if (!isnan(gps_data_->fix.epx) && !isnan(gps_data_->fix.epy)) {
+    position->accuracy = std::max(gps_data_->fix.epx, gps_data_->fix.epy);
+  } else if (isnan(gps_data_->fix.epx) && !isnan(gps_data_->fix.epy)) {
+    position->accuracy = gps_data_->fix.epy;
+  } else if (!isnan(gps_data_->fix.epx) && isnan(gps_data_->fix.epy)) {
+    position->accuracy = gps_data_->fix.epx;
+  } else {
+    // TODO(joth): Fixme. This is a workaround for http://crbug.com/99326
+    DVLOG(2) << "libgps reported accuracy NaN, forcing to zero";
+    position->accuracy = 0;
+  }
+
+  if (gps_data_->fix.mode == MODE_3D && !isnan(gps_data_->fix.altitude)) {
+    position->altitude = gps_data_->fix.altitude;
+    if (!isnan(gps_data_->fix.epv))
+      position->altitude_accuracy = gps_data_->fix.epv;
+  }
+
+  if (!isnan(gps_data_->fix.track))
+    position->heading = gps_data_->fix.track;
+  if (!isnan(gps_data_->fix.speed))
+    position->speed = gps_data_->fix.speed;
+  return true;
+}
+
+}  // namespace content
diff --git a/content/browser/geolocation/libgps_wrapper_linux.h b/content/browser/geolocation/libgps_wrapper_linux.h
new file mode 100644
index 0000000..08ad1a5
--- /dev/null
+++ b/content/browser/geolocation/libgps_wrapper_linux.h
@@ -0,0 +1,58 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Defines a wrapper around the C libgps API (gps.h). Similar to the libgpsmm.h
+// API provided by that package.
+
+#ifndef CONTENT_BROWSER_GEOLOCATION_LIBGPS_WRAPPER_LINUX_H_
+#define CONTENT_BROWSER_GEOLOCATION_LIBGPS_WRAPPER_LINUX_H_
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/common/content_export.h"
+
+struct gps_data_t;
+
+namespace content {
+struct Geoposition;
+
+class CONTENT_EXPORT LibGps {
+ public:
+  virtual ~LibGps();
+  // Attempts to dynamically load the libgps.so library and returns NULL on
+  // failure.
+  static LibGps* New();
+
+  bool Start();
+  void Stop();
+  bool Read(Geoposition* position);
+
+ protected:
+  typedef int (*gps_open_fn)(const char*, const char*, struct gps_data_t*);
+  typedef int (*gps_close_fn)(struct gps_data_t*);
+  typedef int (*gps_read_fn)(struct gps_data_t*);
+
+  explicit LibGps(void* dl_handle,
+                  gps_open_fn gps_open,
+                  gps_close_fn gps_close,
+                  gps_read_fn gps_read);
+
+  // Returns false if there is not fix available.
+  virtual bool GetPositionIfFixed(Geoposition* position);
+
+ private:
+  void* dl_handle_;
+  gps_open_fn gps_open_;
+  gps_close_fn gps_close_;
+  gps_read_fn gps_read_;
+
+  scoped_ptr<gps_data_t> gps_data_;
+  bool is_open_;
+
+  DISALLOW_COPY_AND_ASSIGN(LibGps);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_GEOLOCATION_LIBGPS_WRAPPER_LINUX_H_
diff --git a/content/browser/geolocation/location_api_adapter_android.cc b/content/browser/geolocation/location_api_adapter_android.cc
index 0e71a9f..7d01502 100644
--- a/content/browser/geolocation/location_api_adapter_android.cc
+++ b/content/browser/geolocation/location_api_adapter_android.cc
@@ -14,6 +14,7 @@
 using base::android::AttachCurrentThread;
 using base::android::CheckException;
 using base::android::ClearException;
+using content::AndroidLocationApiAdapter;
 
 static void NewLocationAvailable(JNIEnv* env, jclass,
                                  jdouble latitude,
@@ -32,6 +33,8 @@ static void NewErrorAvailable(JNIEnv* env, jclass, jstring message) {
   AndroidLocationApiAdapter::OnNewErrorAvailable(env, message);
 }
 
+namespace content {
+
 AndroidLocationApiAdapter::AndroidLocationApiAdapter()
     : location_provider_(NULL) {
 }
@@ -87,7 +90,7 @@ void AndroidLocationApiAdapter::Stop() {
 
 // static
 void AndroidLocationApiAdapter::NotifyProviderNewGeoposition(
-    const content::Geoposition& geoposition) {
+    const Geoposition& geoposition) {
   // Called on the geolocation thread, safe to access location_provider_ here.
   if (GetInstance()->location_provider_) {
     CHECK(GetInstance()->message_loop_->BelongsToCurrentThread());
@@ -102,7 +105,7 @@ void AndroidLocationApiAdapter::OnNewLocationAvailable(
     bool has_accuracy, double accuracy,
     bool has_heading, double heading,
     bool has_speed, double speed) {
-  content::Geoposition position;
+  Geoposition position;
   position.latitude = latitude;
   position.longitude = longitude;
   position.timestamp = base::Time::FromDoubleT(time_stamp);
@@ -120,9 +123,8 @@ void AndroidLocationApiAdapter::OnNewLocationAvailable(
 // static
 void AndroidLocationApiAdapter::OnNewErrorAvailable(JNIEnv* env,
                                                     jstring message) {
-  content::Geoposition position_error;
-  position_error.error_code =
-      content::Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
+  Geoposition position_error;
+  position_error.error_code = Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
   position_error.error_message =
       base::android::ConvertJavaStringToUTF8(env, message);
   GetInstance()->OnNewGeopositionInternal(position_error);
@@ -147,7 +149,7 @@ void AndroidLocationApiAdapter::CreateJavaObject(JNIEnv* env) {
 }
 
 void AndroidLocationApiAdapter::OnNewGeopositionInternal(
-    const content::Geoposition& geoposition) {
+    const Geoposition& geoposition) {
   base::AutoLock lock(lock_);
   if (!message_loop_)
     return;
@@ -157,3 +159,5 @@ void AndroidLocationApiAdapter::OnNewGeopositionInternal(
           &AndroidLocationApiAdapter::NotifyProviderNewGeoposition,
           geoposition));
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/location_api_adapter_android.h b/content/browser/geolocation/location_api_adapter_android.h
index 54bffd2..ede23ce 100644
--- a/content/browser/geolocation/location_api_adapter_android.h
+++ b/content/browser/geolocation/location_api_adapter_android.h
@@ -13,10 +13,8 @@
 #include "base/synchronization/lock.h"
 
 namespace content {
-struct Geoposition;
-}
-
 class LocationProviderAndroid;
+struct Geoposition;
 
 // Interacts with JNI and reports back to AndroidLocationProvider.
 // This class creates a LocationProvider java object and listens for
@@ -63,11 +61,10 @@ class AndroidLocationApiAdapter {
   void CreateJavaObject(JNIEnv* env);
 
   // Called on the JNI main thread looper.
-  void OnNewGeopositionInternal(const content::Geoposition& geoposition);
+  void OnNewGeopositionInternal(const Geoposition& geoposition);
 
   /// Called on the Geolocation thread.
-  static void NotifyProviderNewGeoposition(
-      const content::Geoposition& geoposition);
+  static void NotifyProviderNewGeoposition(const Geoposition& geoposition);
 
   base::android::ScopedJavaGlobalRef<jobject>
       java_location_provider_android_object_;
@@ -79,4 +76,6 @@ class AndroidLocationApiAdapter {
   scoped_refptr<base::MessageLoopProxy> message_loop_;
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_LOCATION_API_ADAPTER_ANDROID_H_
diff --git a/content/browser/geolocation/location_arbitrator.cc b/content/browser/geolocation/location_arbitrator.cc
index 237fcd0..423ee44 100644
--- a/content/browser/geolocation/location_arbitrator.cc
+++ b/content/browser/geolocation/location_arbitrator.cc
@@ -12,9 +12,7 @@
 #include "content/public/browser/access_token_store.h"
 #include "googleurl/src/gurl.h"
 
-using content::AccessTokenStore;
-using content::Geoposition;
-
+namespace content {
 namespace {
 
 const char* kDefaultNetworkProviderUrl =
@@ -131,7 +129,7 @@ void GeolocationArbitrator::LocationUpdateAvailable(
   Geoposition new_position;
   provider->GetPosition(&new_position);
   DCHECK(new_position.Validate() ||
-         new_position.error_code != content::Geoposition::ERROR_CODE_NONE);
+         new_position.error_code != Geoposition::ERROR_CODE_NONE);
   if (!IsNewPositionBetter(position_, new_position,
                            provider == position_provider_))
     return;
@@ -174,3 +172,5 @@ void GeolocationArbitrator::SetDependencyFactoryForTest(
     GeolocationArbitratorDependencyFactory* dependency_factory) {
   g_dependency_factory_for_test = dependency_factory;
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/location_arbitrator.h b/content/browser/geolocation/location_arbitrator.h
index 6dfa774..6a612af 100644
--- a/content/browser/geolocation/location_arbitrator.h
+++ b/content/browser/geolocation/location_arbitrator.h
@@ -15,17 +15,15 @@
 #include "content/public/common/geoposition.h"
 #include "net/url_request/url_request_context_getter.h"
 
-class GeolocationArbitratorDependencyFactory;
-class LocationProviderBase;
-
-namespace content {
-class AccessTokenStore;
-}
-
 namespace net {
 class URLRequestContextGetter;
 }
 
+namespace content {
+class AccessTokenStore;
+class GeolocationArbitratorDependencyFactory;
+class LocationProviderBase;
+
 // This class is responsible for handling updates from multiple underlying
 // providers and resolving them to a single 'best' location fix at any given
 // moment.
@@ -77,18 +75,18 @@ class CONTENT_EXPORT GeolocationArbitrator
   // |providers_| or deleted on error (e.g. it fails to start).
   void RegisterProvider(LocationProviderBase* provider);
   void OnAccessTokenStoresLoaded(
-      content::AccessTokenStore::AccessTokenSet access_token_store,
+      AccessTokenStore::AccessTokenSet access_token_store,
       net::URLRequestContextGetter* context_getter);
   void DoStartProviders();
   // Returns true if |new_position| is an improvement over |old_position|.
   // Set |from_same_provider| to true if both the positions came from the same
   // provider.
-  bool IsNewPositionBetter(const content::Geoposition& old_position,
-                           const content::Geoposition& new_position,
+  bool IsNewPositionBetter(const Geoposition& old_position,
+                           const Geoposition& new_position,
                            bool from_same_provider) const;
 
   scoped_refptr<GeolocationArbitratorDependencyFactory> dependency_factory_;
-  scoped_refptr<content::AccessTokenStore> access_token_store_;
+  scoped_refptr<AccessTokenStore> access_token_store_;
   GetTimeNow get_time_now_;
   GeolocationObserver* observer_;
   ScopedVector<LocationProviderBase> providers_;
@@ -97,9 +95,11 @@ class CONTENT_EXPORT GeolocationArbitrator
   const LocationProviderBase* position_provider_;
   bool is_permission_granted_;
   // The current best estimate of our position.
-  content::Geoposition position_;
+  Geoposition position_;
 
   DISALLOW_COPY_AND_ASSIGN(GeolocationArbitrator);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_H_
diff --git a/content/browser/geolocation/location_arbitrator_unittest.cc b/content/browser/geolocation/location_arbitrator_unittest.cc
index 1504343..16441b3 100644
--- a/content/browser/geolocation/location_arbitrator_unittest.cc
+++ b/content/browser/geolocation/location_arbitrator_unittest.cc
@@ -13,12 +13,9 @@
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-using content::AccessTokenStore;
-using content::FakeAccessTokenStore;
-using content::Geoposition;
 using ::testing::NiceMock;
 
-namespace {
+namespace content {
 
 class MockLocationObserver : public GeolocationObserver {
  public:
@@ -188,14 +185,14 @@ TEST_F(GeolocationLocationArbitratorTest, NormalUsage) {
   EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, cell()->state_);
   EXPECT_EQ(MockLocationProvider::LOW_ACCURACY, gps()->state_);
   EXPECT_FALSE(observer_->last_position_.Validate());
-  EXPECT_EQ(content::Geoposition::ERROR_CODE_NONE,
+  EXPECT_EQ(Geoposition::ERROR_CODE_NONE,
             observer_->last_position_.error_code);
 
   SetReferencePosition(cell());
 
   EXPECT_TRUE(observer_->last_position_.Validate() ||
               observer_->last_position_.error_code !=
-                  content::Geoposition::ERROR_CODE_NONE);
+                  Geoposition::ERROR_CODE_NONE);
   EXPECT_EQ(cell()->position_.latitude,
             observer_->last_position_.latitude);
 
@@ -297,4 +294,4 @@ TEST_F(GeolocationLocationArbitratorTest, Arbitration) {
   CheckLastPositionInfo(3.5658700, 139.069979, 1000);
 }
 
-}  // namespace
+}  // namespace content
diff --git a/content/browser/geolocation/location_provider.cc b/content/browser/geolocation/location_provider.cc
index d587b55..c90f055 100644
--- a/content/browser/geolocation/location_provider.cc
+++ b/content/browser/geolocation/location_provider.cc
@@ -6,6 +6,8 @@
 
 #include "base/logging.h"
 
+namespace content {
+
 LocationProviderBase::LocationProviderBase() {
 }
 
@@ -61,3 +63,5 @@ LocationProviderBase* NewSystemLocationProvider() {
   return NULL;
 }
 #endif
+
+}  // namespace content
diff --git a/content/browser/geolocation/location_provider.h b/content/browser/geolocation/location_provider.h
index 11824e6..67b124a 100644
--- a/content/browser/geolocation/location_provider.h
+++ b/content/browser/geolocation/location_provider.h
@@ -20,15 +20,14 @@
 
 class GURL;
 
-namespace content {
-class AccessTokenStore;
-struct Geoposition;
-}
-
 namespace net {
 class URLRequestContextGetter;
 }
 
+namespace content {
+class AccessTokenStore;
+struct Geoposition;
+
 // The base class used by all location providers.
 class CONTENT_EXPORT LocationProviderBase
     : NON_EXPORTED_BASE(public base::NonThreadSafe) {
@@ -68,7 +67,7 @@ class CONTENT_EXPORT LocationProviderBase
   virtual bool StartProvider(bool high_accuracy) = 0;
   virtual void StopProvider() = 0;
   // Gets the current best position estimate.
-  virtual void GetPosition(content::Geoposition* position) = 0;
+  virtual void GetPosition(Geoposition* position) = 0;
   // Provides a hint to the provider that new location data is needed as soon
   // as possible. Default implementation does nothing.
   virtual void UpdatePosition() {}
@@ -95,10 +94,12 @@ class CONTENT_EXPORT LocationProviderBase
 // Factory functions for the various types of location provider to abstract
 // over the platform-dependent implementations.
 CONTENT_EXPORT LocationProviderBase* NewNetworkLocationProvider(
-    content::AccessTokenStore* access_token_store,
+    AccessTokenStore* access_token_store,
     net::URLRequestContextGetter* context,
     const GURL& url,
     const string16& access_token);
 LocationProviderBase* NewSystemLocationProvider();
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_LOCATION_PROVIDER_H_
diff --git a/content/browser/geolocation/location_provider_android.cc b/content/browser/geolocation/location_provider_android.cc
index a185422..eb69b17 100644
--- a/content/browser/geolocation/location_provider_android.cc
+++ b/content/browser/geolocation/location_provider_android.cc
@@ -8,6 +8,8 @@
 #include "content/browser/geolocation/location_api_adapter_android.h"
 #include "content/public/common/geoposition.h"
 
+namespace content {
+
 // LocationProviderAndroid
 LocationProviderAndroid::LocationProviderAndroid() {
 }
@@ -17,7 +19,7 @@ LocationProviderAndroid::~LocationProviderAndroid() {
 }
 
 void LocationProviderAndroid::NotifyNewGeoposition(
-    const content::Geoposition& position) {
+    const Geoposition& position) {
   last_position_ = position;
   UpdateListeners();
 }
@@ -30,7 +32,7 @@ void LocationProviderAndroid::StopProvider() {
   AndroidLocationApiAdapter::GetInstance()->Stop();
 }
 
-void LocationProviderAndroid::GetPosition(content::Geoposition* position) {
+void LocationProviderAndroid::GetPosition(Geoposition* position) {
   *position = last_position_;
 }
 
@@ -45,3 +47,5 @@ void LocationProviderAndroid::OnPermissionGranted() {
 LocationProviderBase* NewSystemLocationProvider() {
   return new LocationProviderAndroid;
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/location_provider_android.h b/content/browser/geolocation/location_provider_android.h
index 6316296..b2f8f56 100644
--- a/content/browser/geolocation/location_provider_android.h
+++ b/content/browser/geolocation/location_provider_android.h
@@ -9,6 +9,7 @@
 #include "content/browser/geolocation/location_provider.h"
 #include "content/public/common/geoposition.h"
 
+namespace content {
 class AndroidLocationApiAdapter;
 struct Geoposition;
 
@@ -19,17 +20,19 @@ class LocationProviderAndroid : public LocationProviderBase {
   virtual ~LocationProviderAndroid();
 
   // Called by the AndroidLocationApiAdapter.
-  void NotifyNewGeoposition(const content::Geoposition& position);
+  void NotifyNewGeoposition(const Geoposition& position);
 
   // LocationProviderBase.
   virtual bool StartProvider(bool high_accuracy) OVERRIDE;
   virtual void StopProvider() OVERRIDE;
-  virtual void GetPosition(content::Geoposition* position) OVERRIDE;
+  virtual void GetPosition(Geoposition* position) OVERRIDE;
   virtual void UpdatePosition() OVERRIDE;
   virtual void OnPermissionGranted() OVERRIDE;
 
  private:
-  content::Geoposition last_position_;
+  Geoposition last_position_;
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_LOCATION_PROVIDER_ANDROID_H_
diff --git a/content/browser/geolocation/mock_location_provider.cc b/content/browser/geolocation/mock_location_provider.cc
index 35109ef..293a558 100644
--- a/content/browser/geolocation/mock_location_provider.cc
+++ b/content/browser/geolocation/mock_location_provider.cc
@@ -15,6 +15,7 @@
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 
+namespace content {
 MockLocationProvider* MockLocationProvider::instance_ = NULL;
 
 MockLocationProvider::MockLocationProvider(MockLocationProvider** self_ref)
@@ -32,8 +33,7 @@ MockLocationProvider::~MockLocationProvider() {
   *self_ref_ = NULL;
 }
 
-void MockLocationProvider::HandlePositionChanged(
-    const content::Geoposition& position) {
+void MockLocationProvider::HandlePositionChanged(const Geoposition& position) {
   if (provider_loop_->BelongsToCurrentThread()) {
     // The location arbitrator unit tests rely on this method running
     // synchronously.
@@ -56,7 +56,7 @@ void MockLocationProvider::StopProvider() {
   state_ = STOPPED;
 }
 
-void MockLocationProvider::GetPosition(content::Geoposition* position) {
+void MockLocationProvider::GetPosition(Geoposition* position) {
   *position = position_;
 }
 
@@ -83,8 +83,7 @@ class AutoMockLocationProvider : public MockLocationProvider {
       // contemporary.
       position_.timestamp = base::Time::Now();
     } else {
-      position_.error_code =
-          content::Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
+      position_.error_code = Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
     }
   }
   virtual bool StartProvider(bool high_accuracy) {
@@ -132,3 +131,5 @@ LocationProviderBase* NewAutoFailMockLocationProvider() {
 LocationProviderBase* NewAutoSuccessMockNetworkLocationProvider() {
   return new AutoMockLocationProvider(true, true);
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/mock_location_provider.h b/content/browser/geolocation/mock_location_provider.h
index c61edf5..da70c63 100644
--- a/content/browser/geolocation/mock_location_provider.h
+++ b/content/browser/geolocation/mock_location_provider.h
@@ -12,6 +12,8 @@
 #include "content/browser/geolocation/location_provider.h"
 #include "content/public/common/geoposition.h"
 
+namespace content {
+
 // Mock implementation of a location provider for testing.
 class MockLocationProvider : public LocationProviderBase {
  public:
@@ -21,15 +23,15 @@ class MockLocationProvider : public LocationProviderBase {
   virtual ~MockLocationProvider();
 
   // Updates listeners with the new position.
-  void HandlePositionChanged(const content::Geoposition& position);
+  void HandlePositionChanged(const Geoposition& position);
 
   // LocationProviderBase implementation.
   virtual bool StartProvider(bool high_accuracy) OVERRIDE;
   virtual void StopProvider() OVERRIDE;
-  virtual void GetPosition(content::Geoposition* position) OVERRIDE;
+  virtual void GetPosition(Geoposition* position) OVERRIDE;
   virtual void OnPermissionGranted() OVERRIDE;
 
-  content::Geoposition position_;
+  Geoposition position_;
   enum State { STOPPED, LOW_ACCURACY, HIGH_ACCURACY } state_;
   bool is_permission_granted_;
   MockLocationProvider** self_ref_;
@@ -60,4 +62,6 @@ LocationProviderBase* NewAutoFailMockLocationProvider();
 // a permission request has been confirmed.
 LocationProviderBase* NewAutoSuccessMockNetworkLocationProvider();
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_MOCK_LOCATION_PROVIDER_H_
diff --git a/content/browser/geolocation/network_location_provider.cc b/content/browser/geolocation/network_location_provider.cc
index d6cf85b..0167fd9 100644
--- a/content/browser/geolocation/network_location_provider.cc
+++ b/content/browser/geolocation/network_location_provider.cc
@@ -9,9 +9,7 @@
 #include "base/utf_string_conversions.h"
 #include "content/public/browser/access_token_store.h"
 
-using content::AccessTokenStore;
-using content::Geoposition;
-
+namespace content {
 namespace {
 // The maximum period of time we'll wait for a complete set of device data
 // before sending the request.
@@ -269,3 +267,5 @@ void NetworkLocationProvider::OnDeviceDataUpdated() {
 bool NetworkLocationProvider::IsStarted() const {
   return wifi_data_provider_ != NULL;
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/network_location_provider.h b/content/browser/geolocation/network_location_provider.h
index ee06e40..21023ae 100644
--- a/content/browser/geolocation/network_location_provider.h
+++ b/content/browser/geolocation/network_location_provider.h
@@ -21,7 +21,7 @@
 
 namespace content {
 class AccessTokenStore;
-}
+
 
 class NetworkLocationProvider
     : public LocationProviderBase,
@@ -43,12 +43,12 @@ class NetworkLocationProvider
     // evict old entries in FIFO orderer of being added.
     // Returns true on success, false otherwise.
     bool CachePosition(const WifiData& wifi_data,
-                       const content::Geoposition& position);
+                       const Geoposition& position);
 
     // Searches for a cached position response for the current set of device
     // data. Returns NULL if the position is not in the cache, or the cached
     // position if available. Ownership remains with the cache.
-    const content::Geoposition* FindPosition(const WifiData& wifi_data);
+    const Geoposition* FindPosition(const WifiData& wifi_data);
 
    private:
     // Makes the key for the map of cached positions, using a set of
@@ -59,13 +59,13 @@ class NetworkLocationProvider
     // The cache of positions. This is stored as a map keyed on a string that
     // represents a set of device data, and a list to provide
     // least-recently-added eviction.
-    typedef std::map<string16, content::Geoposition> CacheMap;
+    typedef std::map<string16, Geoposition> CacheMap;
     CacheMap cache_;
     typedef std::list<CacheMap::iterator> CacheAgeList;
     CacheAgeList cache_age_list_;  // Oldest first.
   };
 
-  NetworkLocationProvider(content::AccessTokenStore* access_token_store,
+  NetworkLocationProvider(AccessTokenStore* access_token_store,
                           net::URLRequestContextGetter* context,
                           const GURL& url,
                           const string16& access_token);
@@ -74,7 +74,7 @@ class NetworkLocationProvider
   // LocationProviderBase implementation
   virtual bool StartProvider(bool high_accuracy) OVERRIDE;
   virtual void StopProvider() OVERRIDE;
-  virtual void GetPosition(content::Geoposition *position) OVERRIDE;
+  virtual void GetPosition(Geoposition *position) OVERRIDE;
   virtual void UpdatePosition() OVERRIDE;
   virtual void OnPermissionGranted() OVERRIDE;
 
@@ -91,12 +91,12 @@ class NetworkLocationProvider
   virtual void DeviceDataUpdateAvailable(WifiDataProvider* provider) OVERRIDE;
 
   // NetworkLocationRequest::ListenerInterface implementation.
-  virtual void LocationResponseAvailable(const content::Geoposition& position,
+  virtual void LocationResponseAvailable(const Geoposition& position,
                                          bool server_error,
                                          const string16& access_token,
                                          const WifiData& wifi_data) OVERRIDE;
 
-  scoped_refptr<content::AccessTokenStore> access_token_store_;
+  scoped_refptr<AccessTokenStore> access_token_store_;
 
   // The wifi data provider, acquired via global factories.
   WifiDataProvider* wifi_data_provider_;
@@ -113,7 +113,7 @@ class NetworkLocationProvider
   string16 access_token_;
 
   // The current best position estimate.
-  content::Geoposition position_;
+  Geoposition position_;
 
   // Whether permission has been granted for the provider to operate.
   bool is_permission_granted_;
@@ -130,4 +130,6 @@ class NetworkLocationProvider
   DISALLOW_COPY_AND_ASSIGN(NetworkLocationProvider);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_NETWORK_LOCATION_PROVIDER_H_
diff --git a/content/browser/geolocation/network_location_provider_unittest.cc b/content/browser/geolocation/network_location_provider_unittest.cc
index 4c87f20..14b2edb 100644
--- a/content/browser/geolocation/network_location_provider_unittest.cc
+++ b/content/browser/geolocation/network_location_provider_unittest.cc
@@ -17,10 +17,7 @@
 #include "net/url_request/url_request_status.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-using content::FakeAccessTokenStore;
-using content::Geoposition;
-
-namespace {
+namespace content {
 
 // Constants used in multiple tests.
 const char kTestServerUrl[] = "https://www.geolocation.test/service";
@@ -584,4 +581,4 @@ TEST_F(GeolocationNetworkProviderTest, NetworkPositionCache) {
   }
 }
 
-}  // namespace
+}  // namespace content
diff --git a/content/browser/geolocation/network_location_request.cc b/content/browser/geolocation/network_location_request.cc
index 9333fba..75868d8 100644
--- a/content/browser/geolocation/network_location_request.cc
+++ b/content/browser/geolocation/network_location_request.cc
@@ -21,6 +21,7 @@
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_status.h"
 
+namespace content {
 namespace {
 
 const size_t kMaxRequestLength = 2048;
@@ -48,7 +49,7 @@ void GetLocationFromResponse(bool http_post_result,
                              const std::string& response_body,
                              const base::Time& timestamp,
                              const GURL& server_url,
-                             content::Geoposition* position,
+                             Geoposition* position,
                              string16* access_token);
 
 // Parses the server response body. Returns true if parsing was successful.
@@ -56,7 +57,7 @@ void GetLocationFromResponse(bool http_post_result,
 // otherwise leaves it unchanged.
 bool ParseServerResponse(const std::string& response_body,
                          const base::Time& timestamp,
-                         content::Geoposition* position,
+                         Geoposition* position,
                          string16* access_token);
 void AddWifiData(const WifiData& wifi_data,
                  int age_milliseconds,
@@ -110,7 +111,7 @@ void NetworkLocationRequest::OnURLFetchComplete(
   net::URLRequestStatus status = source->GetStatus();
   int response_code = source->GetResponseCode();
 
-  content::Geoposition position;
+  Geoposition position;
   string16 access_token;
   std::string data;
   source->GetResponseAsString(&data);
@@ -226,9 +227,8 @@ void AddWifiData(const WifiData& wifi_data,
 
 void FormatPositionError(const GURL& server_url,
                          const std::string& message,
-                         content::Geoposition* position) {
-    position->error_code =
-        content::Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
+                         Geoposition* position) {
+    position->error_code = Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
     position->error_message = "Network location provider at '";
     position->error_message += server_url.GetOrigin().spec();
     position->error_message += "' : ";
@@ -243,7 +243,7 @@ void GetLocationFromResponse(bool http_post_result,
                              const std::string& response_body,
                              const base::Time& timestamp,
                              const GURL& server_url,
-                             content::Geoposition* position,
+                             Geoposition* position,
                              string16* access_token) {
   DCHECK(position);
   DCHECK(access_token);
@@ -298,11 +298,11 @@ bool GetAsDouble(const base::DictionaryValue& object,
 
 bool ParseServerResponse(const std::string& response_body,
                          const base::Time& timestamp,
-                         content::Geoposition* position,
+                         Geoposition* position,
                          string16* access_token) {
   DCHECK(position);
   DCHECK(!position->Validate());
-  DCHECK(position->error_code == content::Geoposition::ERROR_CODE_NONE);
+  DCHECK(position->error_code == Geoposition::ERROR_CODE_NONE);
   DCHECK(access_token);
   DCHECK(!timestamp.is_null());
 
@@ -376,3 +376,4 @@ bool ParseServerResponse(const std::string& response_body,
 
 }  // namespace
 
+}  // namespace content
diff --git a/content/browser/geolocation/network_location_request.h b/content/browser/geolocation/network_location_request.h
index cfb83de..49ac96c 100644
--- a/content/browser/geolocation/network_location_request.h
+++ b/content/browser/geolocation/network_location_request.h
@@ -13,15 +13,14 @@
 #include "googleurl/src/gurl.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
-namespace content {
-struct Geoposition;
-}
-
 namespace net {
 class URLFetcher;
 class URLRequestContextGetter;
 }
 
+namespace content {
+struct Geoposition;
+
 // Takes a set of device data and sends it to a server to get a position fix.
 // It performs formatting of the request and interpretation of the response.
 class NetworkLocationRequest : private net::URLFetcherDelegate {
@@ -34,7 +33,7 @@ class NetworkLocationRequest : private net::URLFetcherDelegate {
     // Updates the listener with a new position. server_error indicates whether
     // was a server or network error - either no response or a 500 error code.
     virtual void LocationResponseAvailable(
-        const content::Geoposition& position,
+        const Geoposition& position,
         bool server_error,
         const string16& access_token,
         const WifiData& wifi_data) = 0;
@@ -75,4 +74,6 @@ class NetworkLocationRequest : private net::URLFetcherDelegate {
   DISALLOW_COPY_AND_ASSIGN(NetworkLocationRequest);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_NETWORK_LOCATION_REQUEST_H_
diff --git a/content/browser/geolocation/wifi_data_provider_common.cc b/content/browser/geolocation/wifi_data_provider_common.cc
index e20b5ee..fd5667a 100644
--- a/content/browser/geolocation/wifi_data_provider_common.cc
+++ b/content/browser/geolocation/wifi_data_provider_common.cc
@@ -8,6 +8,8 @@
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 
+namespace content {
+
 string16 MacAddressAsString16(const uint8 mac_as_int[6]) {
   // mac_as_int is big-endian. Write in byte chunks.
   // Format is XX-XX-XX-XX-XX-XX.
@@ -107,3 +109,5 @@ void WifiDataProviderCommon::ScheduleNextScan(int interval) {
                  weak_factory_.GetWeakPtr()),
       base::TimeDelta::FromMilliseconds(interval));
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/wifi_data_provider_common.h b/content/browser/geolocation/wifi_data_provider_common.h
index c307575..7b46ce8 100644
--- a/content/browser/geolocation/wifi_data_provider_common.h
+++ b/content/browser/geolocation/wifi_data_provider_common.h
@@ -15,6 +15,8 @@
 #include "content/browser/geolocation/device_data_provider.h"
 #include "content/common/content_export.h"
 
+namespace content {
+
 // Converts a MAC address stored as an array of uint8 to a string.
 string16 MacAddressAsString16(const uint8 mac_as_int[6]);
 
@@ -123,4 +125,6 @@ class CONTENT_EXPORT WifiDataProviderCommon
   DISALLOW_COPY_AND_ASSIGN(WifiDataProviderCommon);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_COMMON_H_
diff --git a/content/browser/geolocation/wifi_data_provider_common_unittest.cc b/content/browser/geolocation/wifi_data_provider_common_unittest.cc
index 664421d..ccc13cb 100644
--- a/content/browser/geolocation/wifi_data_provider_common_unittest.cc
+++ b/content/browser/geolocation/wifi_data_provider_common_unittest.cc
@@ -18,7 +18,7 @@ using testing::DoDefault;
 using testing::Invoke;
 using testing::Return;
 
-namespace {
+namespace content {
 
 class MockWlanApi : public WifiDataProviderCommon::WlanApiInterface {
  public:
@@ -230,5 +230,4 @@ TEST_F(GeolocationWifiDataProviderCommonTest,
   DeviceDataProvider<WifiData>::ResetFactory();
 }
 
-}  // namespace
-
+}  // namespace content
diff --git a/content/browser/geolocation/wifi_data_provider_common_win.cc b/content/browser/geolocation/wifi_data_provider_common_win.cc
index fbb0954..929903e 100644
--- a/content/browser/geolocation/wifi_data_provider_common_win.cc
+++ b/content/browser/geolocation/wifi_data_provider_common_win.cc
@@ -10,6 +10,8 @@
 #include "content/browser/geolocation/device_data_provider.h"
 #include "content/browser/geolocation/wifi_data_provider_common.h"
 
+namespace content {
+
 bool ConvertToAccessPointData(const NDIS_WLAN_BSSID& data,
                               AccessPointData *access_point_data) {
   // Currently we get only MAC address, signal strength and SSID.
@@ -50,3 +52,5 @@ int GetDataFromBssIdList(const NDIS_802_11_BSSID_LIST& bss_id_list,
   }
   return found;
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/wifi_data_provider_common_win.h b/content/browser/geolocation/wifi_data_provider_common_win.h
index cb7a0ca..f58e0c6 100644
--- a/content/browser/geolocation/wifi_data_provider_common_win.h
+++ b/content/browser/geolocation/wifi_data_provider_common_win.h
@@ -10,6 +10,8 @@
 
 #include "content/browser/geolocation/device_data_provider.h"
 
+namespace content {
+
 // Extracts access point data from the NDIS_802_11_BSSID_LIST structure and
 // appends it to the data vector. Returns the number of access points for which
 // data was extracted.
@@ -17,4 +19,6 @@ int GetDataFromBssIdList(const NDIS_802_11_BSSID_LIST& bss_id_list,
                          int list_size,
                          WifiData::AccessPointDataSet* data);
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_COMMON_WIN_H_
diff --git a/content/browser/geolocation/wifi_data_provider_corewlan_mac.mm b/content/browser/geolocation/wifi_data_provider_corewlan_mac.mm
index a25754e..d3a179c 100644
--- a/content/browser/geolocation/wifi_data_provider_corewlan_mac.mm
+++ b/content/browser/geolocation/wifi_data_provider_corewlan_mac.mm
@@ -42,6 +42,8 @@
 - (BOOL)isEqualToNetwork:(CWNetwork*)network;
 @end
 
+namespace content {
+
 class CoreWlanApi : public WifiDataProviderCommon::WlanApiInterface {
  public:
   CoreWlanApi() {}
@@ -160,3 +162,5 @@ WifiDataProviderCommon::WlanApiInterface* NewCoreWlanApi() {
 
   return NULL;
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/wifi_data_provider_linux.cc b/content/browser/geolocation/wifi_data_provider_linux.cc
index a1f5237..6e5d54e 100644
--- a/content/browser/geolocation/wifi_data_provider_linux.cc
+++ b/content/browser/geolocation/wifi_data_provider_linux.cc
@@ -16,6 +16,7 @@
 #include "dbus/object_path.h"
 #include "dbus/object_proxy.h"
 
+namespace content {
 namespace {
 // The time periods between successive polls of the wifi data.
 const int kDefaultPollingIntervalMilliseconds = 10 * 1000;  // 10s
@@ -375,3 +376,5 @@ WifiDataProviderLinux::NewWlanApiForTesting(dbus::Bus* bus) {
     return wlan_api.release();
   return NULL;
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/wifi_data_provider_linux.h b/content/browser/geolocation/wifi_data_provider_linux.h
index c31c861..526f610 100644
--- a/content/browser/geolocation/wifi_data_provider_linux.h
+++ b/content/browser/geolocation/wifi_data_provider_linux.h
@@ -13,6 +13,8 @@ namespace dbus {
 class Bus;
 };
 
+namespace content {
+
 class CONTENT_EXPORT WifiDataProviderLinux : public WifiDataProviderCommon {
  public:
   WifiDataProviderLinux();
@@ -32,4 +34,6 @@ class CONTENT_EXPORT WifiDataProviderLinux : public WifiDataProviderCommon {
   DISALLOW_COPY_AND_ASSIGN(WifiDataProviderLinux);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_LINUX_H_
diff --git a/content/browser/geolocation/wifi_data_provider_linux_unittest.cc b/content/browser/geolocation/wifi_data_provider_linux_unittest.cc
index 94c56f2..dfc072e 100644
--- a/content/browser/geolocation/wifi_data_provider_linux_unittest.cc
+++ b/content/browser/geolocation/wifi_data_provider_linux_unittest.cc
@@ -21,6 +21,8 @@ using ::testing::Invoke;
 using ::testing::Return;
 using ::testing::Unused;
 
+namespace content {
+
 class GeolocationWifiDataProviderLinuxTest : public testing::Test {
   void SetUp() {
     // Create a mock bus.
@@ -224,3 +226,5 @@ TEST_F(GeolocationWifiDataProviderLinuxTest, GetAccessPointData) {
   EXPECT_EQ(-50, access_point_data.radio_signal_strength);
   EXPECT_EQ(4, access_point_data.channel);
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/wifi_data_provider_mac.cc b/content/browser/geolocation/wifi_data_provider_mac.cc
index fa01bfa..561a309 100644
--- a/content/browser/geolocation/wifi_data_provider_mac.cc
+++ b/content/browser/geolocation/wifi_data_provider_mac.cc
@@ -16,6 +16,7 @@
 #include "content/browser/geolocation/osx_wifi.h"
 #include "content/browser/geolocation/wifi_data_provider_common.h"
 
+namespace content {
 namespace {
 // The time periods, in milliseconds, between successive polls of the wifi data.
 const int kDefaultPollingInterval = 120000;  // 2 mins
@@ -190,3 +191,5 @@ PollingPolicyInterface* MacWifiDataProvider::NewPollingPolicy() {
                                   kTwoNoChangePollingInterval,
                                   kNoWifiPollingIntervalMilliseconds>;
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/wifi_data_provider_mac.h b/content/browser/geolocation/wifi_data_provider_mac.h
index 1fb9ed7..e36bd8c 100644
--- a/content/browser/geolocation/wifi_data_provider_mac.h
+++ b/content/browser/geolocation/wifi_data_provider_mac.h
@@ -7,6 +7,8 @@
 
 #include "content/browser/geolocation/wifi_data_provider_common.h"
 
+namespace content {
+
 // Implementation of the wifi data provider for Mac OSX. Uses different API
 // bindings depending on APIs detected available at runtime in order to access
 // wifi scan data: Apple80211.h on OSX 10.5, CoreWLAN framework on OSX 10.6.
@@ -28,4 +30,6 @@ class MacWifiDataProvider : public WifiDataProviderCommon {
 // API can not be initialized.
 WifiDataProviderCommon::WlanApiInterface* NewCoreWlanApi();
 
+} // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_MAC_H_
diff --git a/content/browser/geolocation/wifi_data_provider_unittest_win.cc b/content/browser/geolocation/wifi_data_provider_unittest_win.cc
index 179ac44..e4cd77b 100644
--- a/content/browser/geolocation/wifi_data_provider_unittest_win.cc
+++ b/content/browser/geolocation/wifi_data_provider_unittest_win.cc
@@ -8,6 +8,8 @@
 #include "content/browser/geolocation/wifi_data_provider_win.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+namespace content {
+
 TEST(GeolocationWin32WifiDataProviderTest, CreateDestroy) {
   // WifiDataProviderCommon requires the client to have a message loop.
   MessageLoop dummy_loop;
@@ -17,3 +19,5 @@ TEST(GeolocationWin32WifiDataProviderTest, CreateDestroy) {
   // Can't actually call start provider on the Win32WifiDataProvider without
   // it accessing hardware and so risking making the test flaky.
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/wifi_data_provider_win.cc b/content/browser/geolocation/wifi_data_provider_win.cc
index 8837c2ec..3140321 100644
--- a/content/browser/geolocation/wifi_data_provider_win.cc
+++ b/content/browser/geolocation/wifi_data_provider_win.cc
@@ -36,6 +36,7 @@
 #define NDIS_STATUS_INVALID_LENGTH   ((NDIS_STATUS)0xC0010014L)
 #define NDIS_STATUS_BUFFER_TOO_SHORT ((NDIS_STATUS)0xC0010016L)
 
+namespace content {
 namespace {
 // The limits on the size of the buffer used for the OID query.
 const int kInitialBufferSize = 2 << 12;  // Good for about 50 APs.
@@ -605,3 +606,5 @@ bool GetSystemDirectory(string16* path) {
   return true;
 }
 }  // namespace
+
+}  // namespace content
diff --git a/content/browser/geolocation/wifi_data_provider_win.h b/content/browser/geolocation/wifi_data_provider_win.h
index b03fdf2..3fbb9ce 100644
--- a/content/browser/geolocation/wifi_data_provider_win.h
+++ b/content/browser/geolocation/wifi_data_provider_win.h
@@ -8,6 +8,7 @@
 #include "content/browser/geolocation/wifi_data_provider_common.h"
 #include "content/common/content_export.h"
 
+namespace content {
 class PollingPolicyInterface;
 
 class CONTENT_EXPORT Win32WifiDataProvider : public WifiDataProviderCommon {
@@ -24,4 +25,6 @@ class CONTENT_EXPORT Win32WifiDataProvider : public WifiDataProviderCommon {
   DISALLOW_COPY_AND_ASSIGN(Win32WifiDataProvider);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_WIN_H_
diff --git a/content/browser/geolocation/win7_location_api_unittest_win.cc b/content/browser/geolocation/win7_location_api_unittest_win.cc
index 1adf934..ae77fb9 100644
--- a/content/browser/geolocation/win7_location_api_unittest_win.cc
+++ b/content/browser/geolocation/win7_location_api_unittest_win.cc
@@ -24,7 +24,7 @@ using testing::Invoke;
 using testing::NiceMock;
 using testing::Return;
 
-namespace {
+namespace content {
 
 class MockLatLongReport : public ILatLongReport {
  public:
@@ -311,16 +311,16 @@ TEST_F(GeolocationApiWin7Tests, PermissionDenied) {
   EXPECT_CALL(*locator_, GetReport(_, _))
       .Times(AtLeast(1))
       .WillRepeatedly(Return(E_ACCESSDENIED));
-  content::Geoposition position;
+  Geoposition position;
   api_->GetPosition(&position);
-  EXPECT_EQ(content::Geoposition::ERROR_CODE_PERMISSION_DENIED,
+  EXPECT_EQ(Geoposition::ERROR_CODE_PERMISSION_DENIED,
             position.error_code);
 }
 
 TEST_F(GeolocationApiWin7Tests, GetValidPosition) {
   EXPECT_CALL(*locator_, GetReport(_, _))
       .Times(AtLeast(1));
-  content::Geoposition position;
+  Geoposition position;
   api_->GetPosition(&position);
   EXPECT_TRUE(position.Validate());
 }
@@ -331,9 +331,9 @@ TEST_F(GeolocationApiWin7Tests, GetInvalidPosition) {
       .WillRepeatedly(Return(HRESULT_FROM_WIN32(ERROR_NO_DATA)));
   EXPECT_CALL(*locator_, GetReport(_, _))
       .Times(AtLeast(1));
-  content::Geoposition position;
+  Geoposition position;
   api_->GetPosition(&position);
   EXPECT_FALSE(position.Validate());
 }
 
-}  // namespace
+}  // namespace content
diff --git a/content/browser/geolocation/win7_location_api_win.cc b/content/browser/geolocation/win7_location_api_win.cc
index 122ffe2..72ac44a 100644
--- a/content/browser/geolocation/win7_location_api_win.cc
+++ b/content/browser/geolocation/win7_location_api_win.cc
@@ -13,6 +13,7 @@
 #include "content/public/common/content_switches.h"
 #include "content/public/common/geoposition.h"
 
+namespace content {
 namespace {
 const double kKnotsToMetresPerSecondConversionFactor = 0.5144;
 
@@ -89,15 +90,15 @@ Win7LocationApi* Win7LocationApi::CreateForTesting(
   return result;
 }
 
-void Win7LocationApi::GetPosition(content::Geoposition* position) {
+void Win7LocationApi::GetPosition(Geoposition* position) {
   DCHECK(position);
-  position->error_code = content::Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
+  position->error_code = Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
   if (!locator_)
     return;
   // Try to get a position fix
   if (!GetPositionIfFixed(position))
     return;
-  position->error_code = content::Geoposition::ERROR_CODE_NONE;
+  position->error_code = Geoposition::ERROR_CODE_NONE;
   if (!position->Validate()) {
     // GetPositionIfFixed returned true, yet we've not got a valid fix.
     // This shouldn't happen; something went wrong in the conversion.
@@ -105,20 +106,19 @@ void Win7LocationApi::GetPosition(content::Geoposition* position) {
                  << position->latitude << "," << position->longitude
                  << " accuracy " << position->accuracy << " time "
                  << position->timestamp.ToDoubleT();
-    position->error_code =
-        content::Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
+    position->error_code = Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
     position->error_message = "Bad fix from Win7 provider";
   }
 }
 
-bool Win7LocationApi::GetPositionIfFixed(content::Geoposition* position) {
+bool Win7LocationApi::GetPositionIfFixed(Geoposition* position) {
   HRESULT result_type;
   CComPtr<ILocationReport> location_report;
   CComPtr<ILatLongReport> lat_long_report;
   result_type = locator_->GetReport(IID_ILatLongReport, &location_report);
   // Checks to see if location access is allowed.
   if (result_type == E_ACCESSDENIED)
-    position->error_code = content::Geoposition::ERROR_CODE_PERMISSION_DENIED;
+    position->error_code = Geoposition::ERROR_CODE_PERMISSION_DENIED;
   // Checks for any other errors while requesting a location report.
   if (!SUCCEEDED(result_type))
     return false;
@@ -166,3 +166,5 @@ bool Win7LocationApi::SetHighAccuracy(bool acc) {
             LOCATION_DESIRED_ACCURACY_DEFAULT);
   return SUCCEEDED(result_type);
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/win7_location_api_win.h b/content/browser/geolocation/win7_location_api_win.h
index fc9ffc2..375f844 100644
--- a/content/browser/geolocation/win7_location_api_win.h
+++ b/content/browser/geolocation/win7_location_api_win.h
@@ -16,7 +16,6 @@
 
 namespace content {
 struct Geoposition;
-}
 
 // PropVariantToDouble
 typedef HRESULT (WINAPI* PropVariantToDoubleFunction)
@@ -34,7 +33,7 @@ class CONTENT_EXPORT Win7LocationApi {
             ILocation* locator);
   // Gives the best available position.
   // Returns false if no valid position is available.
-  virtual void GetPosition(content::Geoposition* position);
+  virtual void GetPosition(Geoposition* position);
   // Changes the "accuracy" needed. Affects power levels of devices.
   virtual bool SetHighAccuracy(bool acc);
 
@@ -49,7 +48,7 @@ class CONTENT_EXPORT Win7LocationApi {
   // Provides the best position fix if one is available.
   // Does this by requesting a location report and querying it to obtain
   // location information.
-  virtual bool GetPositionIfFixed(content::Geoposition* position);
+  virtual bool GetPositionIfFixed(Geoposition* position);
 
   // ILocation object that lets us communicate with the Location and
   // Sensors platform.
@@ -62,4 +61,6 @@ class CONTENT_EXPORT Win7LocationApi {
   DISALLOW_COPY_AND_ASSIGN(Win7LocationApi);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_WIN7_LOCATION_API_WIN_H_
diff --git a/content/browser/geolocation/win7_location_provider_unittest_win.cc b/content/browser/geolocation/win7_location_provider_unittest_win.cc
index d67be50..ecb4bc3 100644
--- a/content/browser/geolocation/win7_location_provider_unittest_win.cc
+++ b/content/browser/geolocation/win7_location_provider_unittest_win.cc
@@ -15,7 +15,7 @@ using testing::DoDefault;
 using testing::Invoke;
 using testing::Return;
 
-namespace {
+namespace content {
 
 class MockWin7LocationApi : public Win7LocationApi {
  public:
@@ -26,27 +26,26 @@ class MockWin7LocationApi : public Win7LocationApi {
   // Used to signal when the destructor is called.
   MOCK_METHOD0(Die, void());
   // Win7LocationApi
-  MOCK_METHOD1(GetPosition, void(content::Geoposition*));
+  MOCK_METHOD1(GetPosition, void(Geoposition*));
   MOCK_METHOD1(SetHighAccuracy, bool(bool));
 
   virtual ~MockWin7LocationApi() {
     Die();
   }
 
-  void GetPositionValid(content::Geoposition* position) {
+  void GetPositionValid(Geoposition* position) {
     position->latitude = 4.5;
     position->longitude = -34.1;
     position->accuracy = 0.5;
     position->timestamp = base::Time::FromDoubleT(200);
-    position->error_code = content::Geoposition::ERROR_CODE_NONE;
+    position->error_code = Geoposition::ERROR_CODE_NONE;
   }
-  void GetPositionInvalid(content::Geoposition* position) {
+  void GetPositionInvalid(Geoposition* position) {
     position->latitude = 4.5;
     position->longitude = -340000.1;
     position->accuracy = 0.5;
     position->timestamp = base::Time::FromDoubleT(200);
-    position->error_code =
-        content::Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
+    position->error_code = Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
   }
 
  private:
@@ -119,7 +118,7 @@ TEST_F(GeolocationProviderWin7Tests, GetValidPosition) {
       .WillOnce(Return(true));
   EXPECT_TRUE(provider_->StartProvider(true));
   main_message_loop_.Run();
-  content::Geoposition position;
+  Geoposition position;
   provider_->GetPosition(&position);
   EXPECT_TRUE(position.Validate());
 }
@@ -133,9 +132,9 @@ TEST_F(GeolocationProviderWin7Tests, GetInvalidPosition) {
       .WillOnce(Return(true));
   EXPECT_TRUE(provider_->StartProvider(true));
   main_message_loop_.Run();
-  content::Geoposition position;
+  Geoposition position;
   provider_->GetPosition(&position);
   EXPECT_FALSE(position.Validate());
 }
 
-}  // namespace
+}  // namespace content
diff --git a/content/browser/geolocation/win7_location_provider_win.cc b/content/browser/geolocation/win7_location_provider_win.cc
index 780df8c..fa7122d 100644
--- a/content/browser/geolocation/win7_location_provider_win.cc
+++ b/content/browser/geolocation/win7_location_provider_win.cc
@@ -12,7 +12,9 @@
 #include "base/logging.h"
 #include "base/message_loop.h"
 
-namespace{
+namespace content {
+namespace {
+
 const int kPollPeriodMovingMillis = 500;
 // Poll less frequently whilst stationary.
 const int kPollPeriodStationaryMillis = kPollPeriodMovingMillis * 3;
@@ -24,8 +26,8 @@ const int kMovementThresholdMeters = 20;
 // The arbitrary delta is decreased (Gears used 100 meters); if we need to
 // decrease it any further we'll likely want to do some smarter filtering to
 // remove GPS location jitter noise.
-bool PositionsDifferSiginificantly(const content::Geoposition& position_1,
-                                   const content::Geoposition& position_2) {
+bool PositionsDifferSiginificantly(const Geoposition& position_1,
+                                   const Geoposition& position_2) {
   const bool pos_1_valid = position_1.Validate();
   if (pos_1_valid != position_2.Validate())
     return true;
@@ -66,7 +68,7 @@ void Win7LocationProvider::StopProvider() {
   weak_factory_.InvalidateWeakPtrs();
 }
 
-void Win7LocationProvider::GetPosition(content::Geoposition* position) {
+void Win7LocationProvider::GetPosition(Geoposition* position) {
   DCHECK(position);
   *position = position_;
 }
@@ -76,13 +78,12 @@ void Win7LocationProvider::UpdatePosition() {
 }
 
 void Win7LocationProvider::DoPollTask() {
-  content::Geoposition new_position;
+  Geoposition new_position;
   api_->GetPosition(&new_position);
   const bool differ = PositionsDifferSiginificantly(position_, new_position);
   ScheduleNextPoll(differ ? kPollPeriodMovingMillis :
                             kPollPeriodStationaryMillis);
-  if (differ ||
-      new_position.error_code != content::Geoposition::ERROR_CODE_NONE) {
+  if (differ || new_position.error_code != Geoposition::ERROR_CODE_NONE) {
     // Update if the new location is interesting or we have an error to report
     position_ = new_position;
     UpdateListeners();
@@ -102,3 +103,5 @@ LocationProviderBase* NewSystemLocationProvider() {
     return NULL; // API not supported on this machine.
   return new Win7LocationProvider(api);
 }
+
+}  // namespace content
diff --git a/content/browser/geolocation/win7_location_provider_win.h b/content/browser/geolocation/win7_location_provider_win.h
index ae14be7..424d432 100644
--- a/content/browser/geolocation/win7_location_provider_win.h
+++ b/content/browser/geolocation/win7_location_provider_win.h
@@ -13,6 +13,8 @@
 #include "content/common/content_export.h"
 #include "content/public/common/geoposition.h"
 
+namespace content {
+
 // Location provider for Windows 7 that uses the Location and Sensors platform
 // to obtain position fixes.
 // TODO(allanwoj): Remove polling and let the api signal when a new location.
@@ -27,7 +29,7 @@ class CONTENT_EXPORT Win7LocationProvider : public LocationProviderBase {
   // LocationProvider.
   virtual bool StartProvider(bool high_accuracy) OVERRIDE;
   virtual void StopProvider() OVERRIDE;
-  virtual void GetPosition(content::Geoposition* position) OVERRIDE;
+  virtual void GetPosition(Geoposition* position) OVERRIDE;
   virtual void UpdatePosition() OVERRIDE;
 
  private:
@@ -37,9 +39,11 @@ class CONTENT_EXPORT Win7LocationProvider : public LocationProviderBase {
   void ScheduleNextPoll(int interval);
 
   scoped_ptr<Win7LocationApi> api_;
-  content::Geoposition position_;
+  Geoposition position_;
   // Holder for the tasks which run on the thread; takes care of cleanup.
   base::WeakPtrFactory<Win7LocationProvider> weak_factory_;
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_GEOLOCATION_WIN7_LOCATION_PROVIDER_WIN_H_