Rewrite scoped_ptr<T>(NULL) to use the default ctor in chrome/.

This is the result of running the rewrite_scoped_ptr_ctor_null tool
across all files built on Linux in the chrome/ directory.

BUG=173286

Review URL: https://chromiumcodereview.appspot.com/16703018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@205866 0039d316-1c4b-4281-b951-d872f2087c98

62 files changed, 116 insertions, 210 deletions

diff --git a/chrome/browser/automation/automation_event_queue.cc b/chrome/browser/automation/automation_event_queue.cc
index 28401d7..9ccbe2b 100644
--- a/chrome/browser/automation/automation_event_queue.cc
+++ b/chrome/browser/automation/automation_event_queue.cc
@@ -20,9 +20,7 @@ bool AutomationEventQueue::CompareObserverId::operator()(
 }
 
 AutomationEventQueue::AutomationEventQueue()
-    : observer_id_count_(0),
-      wait_automation_reply_(NULL),
-      wait_observer_id_(-1) {}
+    : observer_id_count_(0), wait_observer_id_(-1) {}
 
 AutomationEventQueue::~AutomationEventQueue() {
   Clear();
diff --git a/chrome/browser/background/background_application_list_model.cc b/chrome/browser/background/background_application_list_model.cc
index ffd372a..f16a3a6 100644
--- a/chrome/browser/background/background_application_list_model.cc
+++ b/chrome/browser/background/background_application_list_model.cc
@@ -139,10 +139,7 @@ BackgroundApplicationListModel::Application::~Application() {
 BackgroundApplicationListModel::Application::Application(
     BackgroundApplicationListModel* model,
     const Extension* extension)
-    : extension_(extension),
-      icon_(NULL),
-      model_(model) {
-}
+    : extension_(extension), model_(model) {}
 
 void BackgroundApplicationListModel::Application::OnImageLoaded(
     const gfx::Image& image) {
diff --git a/chrome/browser/character_encoding.cc b/chrome/browser/character_encoding.cc
index a82f3dc..9a0f112 100644
--- a/chrome/browser/character_encoding.cc
+++ b/chrome/browser/character_encoding.cc
@@ -107,10 +107,7 @@ typedef std::map<std::string, const char*> CanonicalNameDisplayNameMapType;
 
 class CanonicalEncodingMap {
  public:
-  CanonicalEncodingMap()
-      : id_to_encoding_name_map_(NULL),
-        encoding_name_to_id_map_(NULL),
-        encoding_name_to_display_name_map_(NULL) { }
+  CanonicalEncodingMap() {}
   const IdToCanonicalEncodingNameMapType* GetIdToCanonicalEncodingNameMapData();
   const CanonicalEncodingNameToIdMapType* GetCanonicalEncodingNameToIdMapData();
   const CanonicalNameDisplayNameMapType* GetCanonicalNameDisplayNameMapData();
diff --git a/chrome/browser/component_updater/test/component_updater_service_unittest.cc b/chrome/browser/component_updater/test/component_updater_service_unittest.cc
index a7359fb..080b1d2 100644
--- a/chrome/browser/component_updater/test/component_updater_service_unittest.cc
+++ b/chrome/browser/component_updater/test/component_updater_service_unittest.cc
@@ -185,7 +185,7 @@ class ComponentUpdaterTest : public testing::Test {
     kTestComponent_jebg
   };
 
-  ComponentUpdaterTest() : component_updater_(NULL), test_config_(NULL) {
+  ComponentUpdaterTest() : test_config_(NULL) {
     // The component updater instance under test.
     test_config_ = new TestConfigurator;
     component_updater_.reset(ComponentUpdateServiceFactory(test_config_));
diff --git a/chrome/browser/custom_handlers/protocol_handler_registry_unittest.cc b/chrome/browser/custom_handlers/protocol_handler_registry_unittest.cc
index d78cde2..0471735 100644
--- a/chrome/browser/custom_handlers/protocol_handler_registry_unittest.cc
+++ b/chrome/browser/custom_handlers/protocol_handler_registry_unittest.cc
@@ -86,7 +86,7 @@ void AssertWillHandleIO(
   interceptor->Chain(scoped_ptr<net::URLRequestJobFactory>(
       new FakeURLRequestJobFactory()));
   ASSERT_EQ(expected, interceptor->IsHandledProtocol(scheme));
-  interceptor->Chain(scoped_ptr<net::URLRequestJobFactory>(NULL));
+  interceptor->Chain(scoped_ptr<net::URLRequestJobFactory>());
 }
 
 void AssertWillHandle(
diff --git a/chrome/browser/download/download_history.cc b/chrome/browser/download/download_history.cc
index 7f26bb5..7cc7f74 100644
--- a/chrome/browser/download/download_history.cc
+++ b/chrome/browser/download/download_history.cc
@@ -55,9 +55,7 @@ class DownloadHistoryData : public base::SupportsUserData::Data {
   }
 
   DownloadHistoryData(content::DownloadItem* item, int64 handle)
-    : is_adding_(false),
-      db_handle_(handle),
-      info_(NULL) {
+      : is_adding_(false), db_handle_(handle) {
     item->SetUserData(kKey, this);
   }
 
diff --git a/chrome/browser/download/download_history_unittest.cc b/chrome/browser/download/download_history_unittest.cc
index fd5e41d..39129df 100644
--- a/chrome/browser/download/download_history_unittest.cc
+++ b/chrome/browser/download/download_history_unittest.cc
@@ -198,14 +198,12 @@ class FakeHistoryAdapter : public DownloadHistory::HistoryAdapter {
 class DownloadHistoryTest : public testing::Test {
  public:
   DownloadHistoryTest()
-    : ui_thread_(content::BrowserThread::UI, &loop_),
-      manager_(new content::MockDownloadManager()),
-      history_(NULL),
-      download_history_(NULL),
-      manager_observer_(NULL),
-      item_observer_(NULL),
-      download_created_index_(0) {
-  }
+      : ui_thread_(content::BrowserThread::UI, &loop_),
+        manager_(new content::MockDownloadManager()),
+        history_(NULL),
+        manager_observer_(NULL),
+        item_observer_(NULL),
+        download_created_index_(0) {}
   virtual ~DownloadHistoryTest() {
     STLDeleteElements(&items_);
   }
diff --git a/chrome/browser/extensions/api/declarative/declarative_rule.h b/chrome/browser/extensions/api/declarative/declarative_rule.h
index bdc36fe..11d223a 100644
--- a/chrome/browser/extensions/api/declarative/declarative_rule.h
+++ b/chrome/browser/extensions/api/declarative/declarative_rule.h
@@ -299,7 +299,7 @@ DeclarativeConditionSet<ConditionT>::Create(
     scoped_ptr<ConditionT> condition =
         ConditionT::Create(url_matcher_condition_factory, **i, error);
     if (!error->empty())
-      return scoped_ptr<DeclarativeConditionSet>(NULL);
+      return scoped_ptr<DeclarativeConditionSet>();
     result.push_back(make_linked_ptr(condition.release()));
   }
 
@@ -359,7 +359,7 @@ DeclarativeActionSet<ActionT>::Create(
     scoped_refptr<const ActionT> action =
         ActionT::Create(**i, error, bad_message);
     if (!error->empty() || *bad_message)
-      return scoped_ptr<DeclarativeActionSet>(NULL);
+      return scoped_ptr<DeclarativeActionSet>();
     result.push_back(action);
   }
 
diff --git a/chrome/browser/extensions/api/declarative_content/content_condition.cc b/chrome/browser/extensions/api/declarative_content/content_condition.cc
index df152af..1d83093 100644
--- a/chrome/browser/extensions/api/declarative_content/content_condition.cc
+++ b/chrome/browser/extensions/api/declarative_content/content_condition.cc
@@ -69,18 +69,18 @@ scoped_ptr<ContentCondition> ContentCondition::Create(
   const base::DictionaryValue* condition_dict = NULL;
   if (!condition.GetAsDictionary(&condition_dict)) {
     *error = kExpectedDictionary;
-    return scoped_ptr<ContentCondition>(NULL);
+    return scoped_ptr<ContentCondition>();
   }
 
   // Verify that we are dealing with a Condition whose type we understand.
   std::string instance_type;
   if (!condition_dict->GetString(keys::kInstanceType, &instance_type)) {
     *error = kConditionWithoutInstanceType;
-    return scoped_ptr<ContentCondition>(NULL);
+    return scoped_ptr<ContentCondition>();
   }
   if (instance_type != keys::kPageStateMatcherType) {
     *error = kExpectedOtherConditionType;
-    return scoped_ptr<ContentCondition>(NULL);
+    return scoped_ptr<ContentCondition>();
   }
 
   scoped_refptr<URLMatcherConditionSet> url_matcher_condition_set;
@@ -123,7 +123,7 @@ scoped_ptr<ContentCondition> ContentCondition::Create(
                                   condition_attribute_name.c_str());
     }
     if (!error->empty())
-      return scoped_ptr<ContentCondition>(NULL);
+      return scoped_ptr<ContentCondition>();
   }
 
   if (!url_matcher_condition_set.get()) {
diff --git a/chrome/browser/extensions/api/declarative_webrequest/webrequest_condition.cc b/chrome/browser/extensions/api/declarative_webrequest/webrequest_condition.cc
index b2dd1f0..3ac29d6 100644
--- a/chrome/browser/extensions/api/declarative_webrequest/webrequest_condition.cc
+++ b/chrome/browser/extensions/api/declarative_webrequest/webrequest_condition.cc
@@ -128,18 +128,18 @@ scoped_ptr<WebRequestCondition> WebRequestCondition::Create(
   const base::DictionaryValue* condition_dict = NULL;
   if (!condition.GetAsDictionary(&condition_dict)) {
     *error = kExpectedDictionary;
-    return scoped_ptr<WebRequestCondition>(NULL);
+    return scoped_ptr<WebRequestCondition>();
   }
 
   // Verify that we are dealing with a Condition whose type we understand.
   std::string instance_type;
   if (!condition_dict->GetString(keys::kInstanceTypeKey, &instance_type)) {
     *error = kConditionWithoutInstanceType;
-    return scoped_ptr<WebRequestCondition>(NULL);
+    return scoped_ptr<WebRequestCondition>();
   }
   if (instance_type != keys::kRequestMatcherType) {
     *error = kExpectedOtherConditionType;
-    return scoped_ptr<WebRequestCondition>(NULL);
+    return scoped_ptr<WebRequestCondition>();
   }
 
   WebRequestConditionAttributes attributes;
@@ -180,7 +180,7 @@ scoped_ptr<WebRequestCondition> WebRequestCondition::Create(
         attributes.push_back(attribute);
     }
     if (!error->empty())
-      return scoped_ptr<WebRequestCondition>(NULL);
+      return scoped_ptr<WebRequestCondition>();
   }
 
   scoped_ptr<WebRequestCondition> result(
@@ -190,7 +190,7 @@ scoped_ptr<WebRequestCondition> WebRequestCondition::Create(
 
   if (!result->stages()) {
     *error = kConditionCannotBeFulfilled;
-    return scoped_ptr<WebRequestCondition>(NULL);
+    return scoped_ptr<WebRequestCondition>();
   }
 
   return result.Pass();
diff --git a/chrome/browser/extensions/api/declarative_webrequest/webrequest_condition_attribute.cc b/chrome/browser/extensions/api/declarative_webrequest/webrequest_condition_attribute.cc
index d810c6a..45ff85f 100644
--- a/chrome/browser/extensions/api/declarative_webrequest/webrequest_condition_attribute.cc
+++ b/chrome/browser/extensions/api/declarative_webrequest/webrequest_condition_attribute.cc
@@ -379,12 +379,12 @@ scoped_ptr<const HeaderMatcher> HeaderMatcher::Create(
        it != tests->end(); ++it) {
     const DictionaryValue* tests = NULL;
     if (!(*it)->GetAsDictionary(&tests))
-      return scoped_ptr<const HeaderMatcher>(NULL);
+      return scoped_ptr<const HeaderMatcher>();
 
     scoped_ptr<const HeaderMatchTest> header_test(
         HeaderMatchTest::Create(tests));
     if (header_test.get() == NULL)
-      return scoped_ptr<const HeaderMatcher>(NULL);
+      return scoped_ptr<const HeaderMatcher>();
     header_tests.push_back(header_test.release());
   }
 
@@ -489,7 +489,7 @@ HeaderMatcher::HeaderMatchTest::Create(const base::DictionaryValue* tests) {
       match_type = StringMatchTest::kEquals;
     } else {
       NOTREACHED();  // JSON schema type checking should prevent this.
-      return scoped_ptr<const HeaderMatchTest>(NULL);
+      return scoped_ptr<const HeaderMatchTest>();
     }
     const Value* content = &it.value();
 
@@ -513,7 +513,7 @@ HeaderMatcher::HeaderMatchTest::Create(const base::DictionaryValue* tests) {
       }
       default: {
         NOTREACHED();  // JSON schema type checking should prevent this.
-        return scoped_ptr<const HeaderMatchTest>(NULL);
+        return scoped_ptr<const HeaderMatchTest>();
       }
     }
   }
@@ -560,7 +560,7 @@ scoped_ptr<const HeaderMatcher> PrepareHeaderMatcher(
   const ListValue* value_as_list = NULL;
   if (!value->GetAsList(&value_as_list)) {
     *error = ErrorUtils::FormatErrorMessage(kInvalidValue, name);
-    return scoped_ptr<const HeaderMatcher>(NULL);
+    return scoped_ptr<const HeaderMatcher>();
   }
 
   scoped_ptr<const HeaderMatcher> header_matcher(
diff --git a/chrome/browser/extensions/api/declarative_webrequest/webrequest_condition_attribute_unittest.cc b/chrome/browser/extensions/api/declarative_webrequest/webrequest_condition_attribute_unittest.cc
index ebcf75c..e99d63f 100644
--- a/chrome/browser/extensions/api/declarative_webrequest/webrequest_condition_attribute_unittest.cc
+++ b/chrome/browser/extensions/api/declarative_webrequest/webrequest_condition_attribute_unittest.cc
@@ -350,7 +350,7 @@ scoped_ptr<DictionaryValue> GetDictionaryFromArray(
       Value* entry = NULL;
       ListValue* list = NULL;
       if (!dictionary->GetWithoutPathExpansion(*name, &entry))
-        return scoped_ptr<DictionaryValue>(NULL);
+        return scoped_ptr<DictionaryValue>();
       switch (entry->GetType()) {
         case Value::TYPE_STRING:  // Replace the present string with a list.
           list = new ListValue;
@@ -366,7 +366,7 @@ scoped_ptr<DictionaryValue> GetDictionaryFromArray(
           break;
         default:
           NOTREACHED();  // We never put other Values here.
-          return scoped_ptr<DictionaryValue>(NULL);
+          return scoped_ptr<DictionaryValue>();
       }
     } else {
       dictionary->SetString(*name, *value);
diff --git a/chrome/browser/extensions/api/messaging/native_message_process_host_unittest.cc b/chrome/browser/extensions/api/messaging/native_message_process_host_unittest.cc
index 7074092..d8fe2c4 100644
--- a/chrome/browser/extensions/api/messaging/native_message_process_host_unittest.cc
+++ b/chrome/browser/extensions/api/messaging/native_message_process_host_unittest.cc
@@ -82,9 +82,7 @@ class NativeMessagingTest : public ::testing::Test,
  protected:
   NativeMessagingTest()
       : current_channel_(chrome::VersionInfo::CHANNEL_DEV),
-        native_message_process_host_(NULL),
-        thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP) {
-  }
+        thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP) {}
 
   virtual void SetUp() OVERRIDE {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
diff --git a/chrome/browser/extensions/api/socket/socket_api.cc b/chrome/browser/extensions/api/socket/socket_api.cc
index 64a5b5a..b5f781d 100644
--- a/chrome/browser/extensions/api/socket/socket_api.cc
+++ b/chrome/browser/extensions/api/socket/socket_api.cc
@@ -288,9 +288,7 @@ void SocketBindFunction::Work() {
   SetResult(Value::CreateIntegerValue(result));
 }
 
-SocketListenFunction::SocketListenFunction()
-    : params_(NULL) {
-}
+SocketListenFunction::SocketListenFunction() {}
 
 SocketListenFunction::~SocketListenFunction() {}
 
@@ -328,9 +326,7 @@ void SocketListenFunction::Work() {
   SetResult(Value::CreateIntegerValue(result));
 }
 
-SocketAcceptFunction::SocketAcceptFunction()
-  : params_(NULL) {
-}
+SocketAcceptFunction::SocketAcceptFunction() {}
 
 SocketAcceptFunction::~SocketAcceptFunction() {}
 
@@ -363,9 +359,7 @@ void SocketAcceptFunction::OnAccept(int result_code,
   AsyncWorkCompleted();
 }
 
-SocketReadFunction::SocketReadFunction()
-    : params_(NULL) {
-}
+SocketReadFunction::SocketReadFunction() {}
 
 SocketReadFunction::~SocketReadFunction() {}
 
@@ -442,9 +436,7 @@ void SocketWriteFunction::OnCompleted(int bytes_written) {
   AsyncWorkCompleted();
 }
 
-SocketRecvFromFunction::SocketRecvFromFunction()
-    : params_(NULL) {
-}
+SocketRecvFromFunction::SocketRecvFromFunction() {}
 
 SocketRecvFromFunction::~SocketRecvFromFunction() {}
 
@@ -556,9 +548,7 @@ void SocketSendToFunction::OnCompleted(int bytes_written) {
   AsyncWorkCompleted();
 }
 
-SocketSetKeepAliveFunction::SocketSetKeepAliveFunction()
-    : params_(NULL) {
-}
+SocketSetKeepAliveFunction::SocketSetKeepAliveFunction() {}
 
 SocketSetKeepAliveFunction::~SocketSetKeepAliveFunction() {}
 
@@ -582,9 +572,7 @@ void SocketSetKeepAliveFunction::Work() {
   SetResult(Value::CreateBooleanValue(result));
 }
 
-SocketSetNoDelayFunction::SocketSetNoDelayFunction()
-    : params_(NULL) {
-}
+SocketSetNoDelayFunction::SocketSetNoDelayFunction() {}
 
 SocketSetNoDelayFunction::~SocketSetNoDelayFunction() {}
 
@@ -604,8 +592,7 @@ void SocketSetNoDelayFunction::Work() {
   SetResult(Value::CreateBooleanValue(result));
 }
 
-SocketGetInfoFunction::SocketGetInfoFunction()
-    : params_(NULL) {}
+SocketGetInfoFunction::SocketGetInfoFunction() {}
 
 SocketGetInfoFunction::~SocketGetInfoFunction() {}
 
@@ -699,8 +686,7 @@ void SocketGetNetworkListFunction::SendResponseOnUIThread(
   SendResponse(true);
 }
 
-SocketJoinGroupFunction::SocketJoinGroupFunction()
-    : params_(NULL) {}
+SocketJoinGroupFunction::SocketJoinGroupFunction() {}
 
 SocketJoinGroupFunction::~SocketJoinGroupFunction() {}
 
@@ -744,9 +730,7 @@ void SocketJoinGroupFunction::Work() {
   SetResult(Value::CreateIntegerValue(result));
 }
 
-
-SocketLeaveGroupFunction::SocketLeaveGroupFunction()
-  : params_(NULL) {}
+SocketLeaveGroupFunction::SocketLeaveGroupFunction() {}
 
 SocketLeaveGroupFunction::~SocketLeaveGroupFunction() {}
 
@@ -790,8 +774,7 @@ void SocketLeaveGroupFunction::Work() {
   SetResult(Value::CreateIntegerValue(result));
 }
 
-SocketSetMulticastTimeToLiveFunction::SocketSetMulticastTimeToLiveFunction()
-  : params_(NULL) {}
+SocketSetMulticastTimeToLiveFunction::SocketSetMulticastTimeToLiveFunction() {}
 
 SocketSetMulticastTimeToLiveFunction::~SocketSetMulticastTimeToLiveFunction() {}
 
@@ -822,8 +805,8 @@ void SocketSetMulticastTimeToLiveFunction::Work() {
   SetResult(Value::CreateIntegerValue(result));
 }
 
-SocketSetMulticastLoopbackModeFunction::SocketSetMulticastLoopbackModeFunction()
-  : params_(NULL) {}
+SocketSetMulticastLoopbackModeFunction::
+    SocketSetMulticastLoopbackModeFunction() {}
 
 SocketSetMulticastLoopbackModeFunction::
   ~SocketSetMulticastLoopbackModeFunction() {}
@@ -856,8 +839,7 @@ void SocketSetMulticastLoopbackModeFunction::Work() {
   SetResult(Value::CreateIntegerValue(result));
 }
 
-SocketGetJoinedGroupsFunction::SocketGetJoinedGroupsFunction()
-  : params_(NULL) {}
+SocketGetJoinedGroupsFunction::SocketGetJoinedGroupsFunction() {}
 
 SocketGetJoinedGroupsFunction::~SocketGetJoinedGroupsFunction() {}
 
diff --git a/chrome/browser/extensions/api/web_request/form_data_parser_unittest.cc b/chrome/browser/extensions/api/web_request/form_data_parser_unittest.cc
index e3012db..d6cf715 100644
--- a/chrome/browser/extensions/api/web_request/form_data_parser_unittest.cc
+++ b/chrome/browser/extensions/api/web_request/form_data_parser_unittest.cc
@@ -17,12 +17,12 @@ scoped_ptr<FormDataParser> InitParser(
     const std::string& content_type_header,
     std::vector<std::string>* output) {
   if (output == NULL)
-    return scoped_ptr<FormDataParser>(NULL);
+    return scoped_ptr<FormDataParser>();
   output->clear();
   scoped_ptr<FormDataParser> parser(
       FormDataParser::CreateFromContentTypeHeader(&content_type_header));
   if (parser.get() == NULL)
-    return scoped_ptr<FormDataParser>(NULL);
+    return scoped_ptr<FormDataParser>();
   return parser.Pass();
 }
 
diff --git a/chrome/browser/extensions/api/webstore_private/webstore_private_api.cc b/chrome/browser/extensions/api/webstore_private/webstore_private_api.cc
index 3130fd3..c77121c 100644
--- a/chrome/browser/extensions/api/webstore_private/webstore_private_api.cc
+++ b/chrome/browser/extensions/api/webstore_private/webstore_private_api.cc
@@ -86,7 +86,7 @@ scoped_ptr<WebstoreInstaller::Approval> PendingApprovals::PopApproval(
       return scoped_ptr<WebstoreInstaller::Approval>(approval);
     }
   }
-  return scoped_ptr<WebstoreInstaller::Approval>(NULL);
+  return scoped_ptr<WebstoreInstaller::Approval>();
 }
 
 // Uniquely holds the profile and extension id of an install between the time we
diff --git a/chrome/browser/extensions/app_sync_bundle.cc b/chrome/browser/extensions/app_sync_bundle.cc
index e9a03ba..62ffc60 100644
--- a/chrome/browser/extensions/app_sync_bundle.cc
+++ b/chrome/browser/extensions/app_sync_bundle.cc
@@ -16,8 +16,7 @@
 namespace extensions {
 
 AppSyncBundle::AppSyncBundle(ExtensionService* extension_service)
-    : extension_service_(extension_service),
-      sync_processor_(NULL) {}
+    : extension_service_(extension_service) {}
 
 AppSyncBundle::~AppSyncBundle() {}
 
diff --git a/chrome/browser/extensions/extension_function.cc b/chrome/browser/extensions/extension_function.cc
index fcf5cf6..484abd7 100644
--- a/chrome/browser/extensions/extension_function.cc
+++ b/chrome/browser/extensions/extension_function.cc
@@ -55,10 +55,8 @@ ExtensionFunction::ExtensionFunction()
       has_callback_(false),
       include_incognito_(false),
       user_gesture_(false),
-      args_(NULL),
       bad_message_(false),
-      histogram_value_(extensions::functions::UNKNOWN) {
-}
+      histogram_value_(extensions::functions::UNKNOWN) {}
 
 ExtensionFunction::~ExtensionFunction() {
 }
diff --git a/chrome/browser/extensions/extension_sync_bundle.cc b/chrome/browser/extensions/extension_sync_bundle.cc
index 9cf2faf..ef53054 100644
--- a/chrome/browser/extensions/extension_sync_bundle.cc
+++ b/chrome/browser/extensions/extension_sync_bundle.cc
@@ -16,7 +16,7 @@
 namespace extensions {
 
 ExtensionSyncBundle::ExtensionSyncBundle(ExtensionService* extension_service)
-    : extension_service_(extension_service), sync_processor_(NULL) {}
+    : extension_service_(extension_service) {}
 
 ExtensionSyncBundle::~ExtensionSyncBundle() {}
 
diff --git a/chrome/browser/extensions/external_provider_impl.cc b/chrome/browser/extensions/external_provider_impl.cc
index bde28f2..5939375 100644
--- a/chrome/browser/extensions/external_provider_impl.cc
+++ b/chrome/browser/extensions/external_provider_impl.cc
@@ -63,22 +63,20 @@ const char ExternalProviderImpl::kIsBookmarkApp[] = "is_bookmark_app";
 const char ExternalProviderImpl::kIsFromWebstore[] = "is_from_webstore";
 const char ExternalProviderImpl::kKeepIfPresent[] = "keep_if_present";
 
-ExternalProviderImpl::ExternalProviderImpl(
-    VisitorInterface* service,
-    ExternalLoader* loader,
-    Profile* profile,
-    Manifest::Location crx_location,
-    Manifest::Location download_location,
-    int creation_flags)
-  : crx_location_(crx_location),
-    download_location_(download_location),
-    service_(service),
-    prefs_(NULL),
-    ready_(false),
-    loader_(loader),
-    profile_(profile),
-    creation_flags_(creation_flags),
-    auto_acknowledge_(false) {
+ExternalProviderImpl::ExternalProviderImpl(VisitorInterface* service,
+                                           ExternalLoader* loader,
+                                           Profile* profile,
+                                           Manifest::Location crx_location,
+                                           Manifest::Location download_location,
+                                           int creation_flags)
+    : crx_location_(crx_location),
+      download_location_(download_location),
+      service_(service),
+      ready_(false),
+      loader_(loader),
+      profile_(profile),
+      creation_flags_(creation_flags),
+      auto_acknowledge_(false) {
   loader_->Init(this);
 }
 
diff --git a/chrome/browser/extensions/menu_manager.cc b/chrome/browser/extensions/menu_manager.cc
index ed378e2..b11b3e5 100644
--- a/chrome/browser/extensions/menu_manager.cc
+++ b/chrome/browser/extensions/menu_manager.cc
@@ -121,9 +121,7 @@ MenuItem::MenuItem(const Id& id,
       type_(type),
       checked_(checked),
       enabled_(enabled),
-      contexts_(contexts),
-      parent_id_(0) {
-}
+      contexts_(contexts) {}
 
 MenuItem::~MenuItem() {
   STLDeleteElements(&children_);
diff --git a/chrome/browser/extensions/test_extension_prefs.cc b/chrome/browser/extensions/test_extension_prefs.cc
index 64699ec..2a53a99 100644
--- a/chrome/browser/extensions/test_extension_prefs.cc
+++ b/chrome/browser/extensions/test_extension_prefs.cc
@@ -58,9 +58,7 @@ class IncrementalTimeProvider : public ExtensionPrefs::TimeProvider {
 }  // namespace
 
 TestExtensionPrefs::TestExtensionPrefs(base::SequencedTaskRunner* task_runner)
-    : pref_service_(NULL),
-      task_runner_(task_runner),
-      extensions_disabled_(false) {
+    : task_runner_(task_runner), extensions_disabled_(false) {
   EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
   preferences_file_ = temp_dir_.path().AppendASCII("Preferences");
   extensions_dir_ = temp_dir_.path().AppendASCII("Extensions");
diff --git a/chrome/browser/google_apis/drive_api_parser.cc b/chrome/browser/google_apis/drive_api_parser.cc
index 0a9d682..fa8872b 100644
--- a/chrome/browser/google_apis/drive_api_parser.cc
+++ b/chrome/browser/google_apis/drive_api_parser.cc
@@ -223,7 +223,7 @@ scoped_ptr<AboutResource> AboutResource::CreateFrom(const base::Value& value) {
   scoped_ptr<AboutResource> resource(new AboutResource());
   if (!IsResourceKindExpected(value, kAboutKind) || !resource->Parse(value)) {
     LOG(ERROR) << "Unable to create: Invalid About resource JSON!";
-    return scoped_ptr<AboutResource>(NULL);
+    return scoped_ptr<AboutResource>();
   }
   return resource.Pass();
 }
@@ -290,7 +290,7 @@ scoped_ptr<DriveAppIcon> DriveAppIcon::CreateFrom(const base::Value& value) {
   scoped_ptr<DriveAppIcon> resource(new DriveAppIcon());
   if (!resource->Parse(value)) {
     LOG(ERROR) << "Unable to create: Invalid DriveAppIcon JSON!";
-    return scoped_ptr<DriveAppIcon>(NULL);
+    return scoped_ptr<DriveAppIcon>();
   }
   return resource.Pass();
 }
@@ -384,7 +384,7 @@ scoped_ptr<AppResource> AppResource::CreateFrom(const base::Value& value) {
   scoped_ptr<AppResource> resource(new AppResource());
   if (!IsResourceKindExpected(value, kAppKind) || !resource->Parse(value)) {
     LOG(ERROR) << "Unable to create: Invalid AppResource JSON!";
-    return scoped_ptr<AppResource>(NULL);
+    return scoped_ptr<AppResource>();
   }
   return resource.Pass();
 }
@@ -466,7 +466,7 @@ scoped_ptr<AppList> AppList::CreateFrom(const base::Value& value) {
   scoped_ptr<AppList> resource(new AppList());
   if (!IsResourceKindExpected(value, kAppListKind) || !resource->Parse(value)) {
     LOG(ERROR) << "Unable to create: Invalid AppList JSON!";
-    return scoped_ptr<AppList>(NULL);
+    return scoped_ptr<AppList>();
   }
   return resource.Pass();
 }
@@ -524,7 +524,7 @@ ParentReference::CreateFrom(const base::Value& value) {
   if (!IsResourceKindExpected(value, kParentReferenceKind) ||
       !reference->Parse(value)) {
     LOG(ERROR) << "Unable to create: Invalid ParentRefernce JSON!";
-    return scoped_ptr<ParentReference>(NULL);
+    return scoped_ptr<ParentReference>();
   }
   return reference.Pass();
 }
@@ -610,7 +610,7 @@ scoped_ptr<FileResource> FileResource::CreateFrom(const base::Value& value) {
   scoped_ptr<FileResource> resource(new FileResource());
   if (!IsResourceKindExpected(value, kFileKind) || !resource->Parse(value)) {
     LOG(ERROR) << "Unable to create: Invalid FileResource JSON!";
-    return scoped_ptr<FileResource>(NULL);
+    return scoped_ptr<FileResource>();
   }
   return resource.Pass();
 }
@@ -675,7 +675,7 @@ scoped_ptr<FileList> FileList::CreateFrom(const base::Value& value) {
   scoped_ptr<FileList> resource(new FileList());
   if (!HasFileListKind(value) || !resource->Parse(value)) {
     LOG(ERROR) << "Unable to create: Invalid FileList JSON!";
-    return scoped_ptr<FileList>(NULL);
+    return scoped_ptr<FileList>();
   }
   return resource.Pass();
 }
@@ -713,7 +713,7 @@ ChangeResource::CreateFrom(const base::Value& value) {
   scoped_ptr<ChangeResource> resource(new ChangeResource());
   if (!IsResourceKindExpected(value, kChangeKind) || !resource->Parse(value)) {
     LOG(ERROR) << "Unable to create: Invalid ChangeResource JSON!";
-    return scoped_ptr<ChangeResource>(NULL);
+    return scoped_ptr<ChangeResource>();
   }
   return resource.Pass();
 }
@@ -759,7 +759,7 @@ scoped_ptr<ChangeList> ChangeList::CreateFrom(const base::Value& value) {
   scoped_ptr<ChangeList> resource(new ChangeList());
   if (!HasChangeListKind(value) || !resource->Parse(value)) {
     LOG(ERROR) << "Unable to create: Invalid ChangeList JSON!";
-    return scoped_ptr<ChangeList>(NULL);
+    return scoped_ptr<ChangeList>();
   }
   return resource.Pass();
 }
@@ -801,7 +801,7 @@ scoped_ptr<FileLabels> FileLabels::CreateFrom(const base::Value& value) {
   scoped_ptr<FileLabels> resource(new FileLabels());
   if (!resource->Parse(value)) {
     LOG(ERROR) << "Unable to create: Invalid FileLabels JSON!";
-    return scoped_ptr<FileLabels>(NULL);
+    return scoped_ptr<FileLabels>();
   }
   return resource.Pass();
 }
diff --git a/chrome/browser/google_apis/drive_api_service.cc b/chrome/browser/google_apis/drive_api_service.cc
index 5aefedd..1a8fbc6 100644
--- a/chrome/browser/google_apis/drive_api_service.cc
+++ b/chrome/browser/google_apis/drive_api_service.cc
@@ -225,7 +225,6 @@ DriveAPIService::DriveAPIService(
     const std::string& custom_user_agent)
     : url_request_context_getter_(url_request_context_getter),
       profile_(NULL),
-      sender_(NULL),
       url_generator_(base_url),
       custom_user_agent_(custom_user_agent) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
diff --git a/chrome/browser/google_apis/gdata_wapi_parser.cc b/chrome/browser/google_apis/gdata_wapi_parser.cc
index 4d2d09a..8e27223 100644
--- a/chrome/browser/google_apis/gdata_wapi_parser.cc
+++ b/chrome/browser/google_apis/gdata_wapi_parser.cc
@@ -841,7 +841,7 @@ scoped_ptr<ResourceList> ResourceList::ExtractAndParse(
       as_dict->GetDictionary(kFeedField, &feed_dict)) {
     return ResourceList::CreateFrom(*feed_dict);
   }
-  return scoped_ptr<ResourceList>(NULL);
+  return scoped_ptr<ResourceList>();
 }
 
 // static
@@ -849,7 +849,7 @@ scoped_ptr<ResourceList> ResourceList::CreateFrom(const base::Value& value) {
   scoped_ptr<ResourceList> feed(new ResourceList());
   if (!feed->Parse(value)) {
     DVLOG(1) << "Invalid resource list!";
-    return scoped_ptr<ResourceList>(NULL);
+    return scoped_ptr<ResourceList>();
   }
 
   return feed.Pass();
@@ -1039,7 +1039,7 @@ scoped_ptr<AccountMetadata> AccountMetadata::CreateFrom(
       !dictionary->Get(kEntryField, &entry) ||
       !metadata->Parse(*entry)) {
     LOG(ERROR) << "Unable to create: Invalid account metadata feed!";
-    return scoped_ptr<AccountMetadata>(NULL);
+    return scoped_ptr<AccountMetadata>();
   }
 
   return metadata.Pass();
diff --git a/chrome/browser/google_apis/gdata_wapi_service.cc b/chrome/browser/google_apis/gdata_wapi_service.cc
index 8f6ec69..6bfa14e 100644
--- a/chrome/browser/google_apis/gdata_wapi_service.cc
+++ b/chrome/browser/google_apis/gdata_wapi_service.cc
@@ -98,7 +98,6 @@ GDataWapiService::GDataWapiService(
     const GURL& base_url,
     const std::string& custom_user_agent)
     : url_request_context_getter_(url_request_context_getter),
-      sender_(NULL),
       url_generator_(base_url),
       custom_user_agent_(custom_user_agent) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
diff --git a/chrome/browser/icon_loader.cc b/chrome/browser/icon_loader.cc
index f8ea311b..c85e7e2 100644
--- a/chrome/browser/icon_loader.cc
+++ b/chrome/browser/icon_loader.cc
@@ -10,14 +10,13 @@
 
 using content::BrowserThread;
 
-IconLoader::IconLoader(const base::FilePath& file_path, IconSize size,
+IconLoader::IconLoader(const base::FilePath& file_path,
+                       IconSize size,
                        Delegate* delegate)
     : target_message_loop_(NULL),
       file_path_(file_path),
       icon_size_(size),
-      image_(NULL),
-      delegate_(delegate) {
-}
+      delegate_(delegate) {}
 
 IconLoader::~IconLoader() {
 }
diff --git a/chrome/browser/net/dns_probe_service.cc b/chrome/browser/net/dns_probe_service.cc
index 8a0e9f0..156313f 100644
--- a/chrome/browser/net/dns_probe_service.cc
+++ b/chrome/browser/net/dns_probe_service.cc
@@ -275,7 +275,7 @@ scoped_ptr<DnsProbeJob> DnsProbeService::CreateProbeJob(
     const DnsConfig& dns_config,
     const DnsProbeJob::CallbackType& job_callback) {
   if (!dns_config.IsValid())
-    return scoped_ptr<DnsProbeJob>(NULL);
+    return scoped_ptr<DnsProbeJob>();
 
   scoped_ptr<DnsClient> dns_client(DnsClient::CreateClient(NULL));
   dns_client->SetConfig(dns_config);
diff --git a/chrome/browser/net/dns_probe_service_unittest.cc b/chrome/browser/net/dns_probe_service_unittest.cc
index 108332a..15cbb44 100644
--- a/chrome/browser/net/dns_probe_service_unittest.cc
+++ b/chrome/browser/net/dns_probe_service_unittest.cc
@@ -88,7 +88,7 @@ class TestDnsProbeService : public DnsProbeService {
   virtual scoped_ptr<DnsProbeJob> CreateSystemProbeJob(
       const DnsProbeJob::CallbackType& job_callback) OVERRIDE {
     if (mock_system_fail_)
-      return scoped_ptr<DnsProbeJob>(NULL);
+      return scoped_ptr<DnsProbeJob>();
 
     system_job_created_ = true;
     return scoped_ptr<DnsProbeJob>(
diff --git a/chrome/browser/net/predictor.cc b/chrome/browser/net/predictor.cc
index 4b42e6f..b7061c7 100644
--- a/chrome/browser/net/predictor.cc
+++ b/chrome/browser/net/predictor.cc
@@ -126,8 +126,7 @@ class Predictor::LookupRequest {
 };
 
 Predictor::Predictor(bool preconnect_enabled)
-    : initial_observer_(NULL),
-      url_request_context_getter_(NULL),
+    : url_request_context_getter_(NULL),
       predictor_enabled_(true),
       peak_pending_lookups_(0),
       shutdown_(false),
diff --git a/chrome/browser/net/sqlite_server_bound_cert_store.cc b/chrome/browser/net/sqlite_server_bound_cert_store.cc
index 698ace0..cf2bca5 100644
--- a/chrome/browser/net/sqlite_server_bound_cert_store.cc
+++ b/chrome/browser/net/sqlite_server_bound_cert_store.cc
@@ -40,12 +40,10 @@ class SQLiteServerBoundCertStore::Backend
   Backend(const base::FilePath& path,
           quota::SpecialStoragePolicy* special_storage_policy)
       : path_(path),
-        db_(NULL),
         num_pending_(0),
         force_keep_session_state_(false),
         special_storage_policy_(special_storage_policy),
-        corruption_detected_(false) {
-  }
+        corruption_detected_(false) {}
 
   // Creates or loads the SQLite database.
   void Load(const LoadedCallback& loaded_callback);
diff --git a/chrome/browser/notifications/balloon_notification_ui_manager.cc b/chrome/browser/notifications/balloon_notification_ui_manager.cc
index 7c942d8..edbebd4 100644
--- a/chrome/browser/notifications/balloon_notification_ui_manager.cc
+++ b/chrome/browser/notifications/balloon_notification_ui_manager.cc
@@ -20,9 +20,7 @@
 
 BalloonNotificationUIManager::BalloonNotificationUIManager(
     PrefService* local_state)
-    : NotificationUIManagerImpl(),
-      NotificationPrefsManager(local_state),
-      balloon_collection_(NULL) {
+    : NotificationUIManagerImpl(), NotificationPrefsManager(local_state) {
   position_pref_.Init(
       prefs::kDesktopNotificationPosition,
       local_state,
diff --git a/chrome/browser/performance_monitor/performance_monitor.cc b/chrome/browser/performance_monitor/performance_monitor.cc
index 5f80565..643c4c1 100644
--- a/chrome/browser/performance_monitor/performance_monitor.cc
+++ b/chrome/browser/performance_monitor/performance_monitor.cc
@@ -98,9 +98,7 @@ PerformanceMonitor::PerformanceDataForIOThread::PerformanceDataForIOThread()
     : network_bytes_read(0) {
 }
 
-PerformanceMonitor::PerformanceMonitor() : database_(NULL),
-                                           metrics_map_(new MetricsMap) {
-}
+PerformanceMonitor::PerformanceMonitor() : metrics_map_(new MetricsMap) {}
 
 PerformanceMonitor::~PerformanceMonitor() {
   BrowserThread::PostBlockingPoolSequencedTask(
diff --git a/chrome/browser/predictors/resource_prefetch_predictor_unittest.cc b/chrome/browser/predictors/resource_prefetch_predictor_unittest.cc
index cde7ceb..d438964 100644
--- a/chrome/browser/predictors/resource_prefetch_predictor_unittest.cc
+++ b/chrome/browser/predictors/resource_prefetch_predictor_unittest.cc
@@ -174,7 +174,6 @@ ResourcePrefetchPredictorTest::ResourcePrefetchPredictorTest()
       ui_thread_(content::BrowserThread::UI, &loop_),
       db_thread_(content::BrowserThread::DB, &loop_),
       profile_(new TestingProfile()),
-      predictor_(NULL),
       mock_tables_(new StrictMock<MockResourcePrefetchPredictorTables>()),
       empty_url_data_(PREFETCH_KEY_TYPE_URL, std::string()),
       empty_host_data_(PREFETCH_KEY_TYPE_HOST, std::string()) {}
diff --git a/chrome/browser/prerender/prerender_unittest.cc b/chrome/browser/prerender/prerender_unittest.cc
index 366d909..aeed782 100644
--- a/chrome/browser/prerender/prerender_unittest.cc
+++ b/chrome/browser/prerender/prerender_unittest.cc
@@ -94,7 +94,6 @@ class UnitTestPrerenderManager : public PrerenderManager {
       : PrerenderManager(profile, prerender_tracker),
         time_(Time::Now()),
         time_ticks_(TimeTicks::Now()),
-        next_prerender_contents_(NULL),
         prerender_tracker_(prerender_tracker) {
     set_rate_limit_enabled(false);
   }
diff --git a/chrome/browser/profiles/off_the_record_profile_io_data.cc b/chrome/browser/profiles/off_the_record_profile_io_data.cc
index 37b0758..d6f546a 100644
--- a/chrome/browser/profiles/off_the_record_profile_io_data.cc
+++ b/chrome/browser/profiles/off_the_record_profile_io_data.cc
@@ -270,7 +270,7 @@ void OffTheRecordProfileIOData::
   // SetUpJobFactoryDefaults() to get this effect.
   extensions_job_factory_ = SetUpJobFactoryDefaults(
       extensions_job_factory.Pass(),
-      scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>(NULL),
+      scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>(),
       NULL,
       ftp_factory_.get());
   extensions_context->set_job_factory(extensions_job_factory_.get());
diff --git a/chrome/browser/profiles/profile_impl_io_data.cc b/chrome/browser/profiles/profile_impl_io_data.cc
index c153e25..29ce0eb 100644
--- a/chrome/browser/profiles/profile_impl_io_data.cc
+++ b/chrome/browser/profiles/profile_impl_io_data.cc
@@ -499,7 +499,7 @@ void ProfileImplIOData::
   // SetUpJobFactory() to get this effect.
   extensions_job_factory_ = SetUpJobFactoryDefaults(
       extensions_job_factory.Pass(),
-      scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>(NULL),
+      scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>(),
       NULL,
       ftp_factory_.get());
   extensions_context->set_job_factory(extensions_job_factory_.get());
diff --git a/chrome/browser/profiles/profile_manager.cc b/chrome/browser/profiles/profile_manager.cc
index 29fb988..dc5a0d1 100644
--- a/chrome/browser/profiles/profile_manager.cc
+++ b/chrome/browser/profiles/profile_manager.cc
@@ -271,7 +271,7 @@ ProfileManager::ProfileManager(const base::FilePath& user_data_dir)
     : user_data_dir_(user_data_dir),
       logged_in_(false),
       will_import_(false),
-      profile_shortcut_manager_(NULL),
+
 #if !defined(OS_ANDROID) && !defined(OS_IOS)
       browser_list_observer_(this),
 #endif
diff --git a/chrome/browser/safe_browsing/database_manager.cc b/chrome/browser/safe_browsing/database_manager.cc
index 5832550..f3e7dec 100644
--- a/chrome/browser/safe_browsing/database_manager.cc
+++ b/chrome/browser/safe_browsing/database_manager.cc
@@ -74,8 +74,7 @@ SafeBrowsingDatabaseManager::SafeBrowsingCheck::SafeBrowsingCheck(
       full_hash_results(full_hashes.size(), SB_THREAT_TYPE_SAFE),
       client(client),
       need_get_hash(false),
-      check_type(check_type),
-      timeout_factory_(NULL) {
+      check_type(check_type) {
   DCHECK_EQ(urls.empty(), !full_hashes.empty())
       << "Exactly one of urls and full_hashes must be set";
 }
diff --git a/chrome/browser/safe_browsing/malware_details_cache.cc b/chrome/browser/safe_browsing/malware_details_cache.cc
index 5c4ec37..b59b5c9 100644
--- a/chrome/browser/safe_browsing/malware_details_cache.cc
+++ b/chrome/browser/safe_browsing/malware_details_cache.cc
@@ -31,11 +31,7 @@ using safe_browsing::ClientMalwareReportRequest;
 static const uint32 kMaxBodySizeBytes = 1024;
 
 MalwareDetailsCacheCollector::MalwareDetailsCacheCollector()
-    : resources_(NULL),
-      result_(NULL),
-      has_started_(false),
-      current_fetch_(NULL) {
-}
+    : resources_(NULL), result_(NULL), has_started_(false) {}
 
 void MalwareDetailsCacheCollector::StartCacheCollection(
     net::URLRequestContextGetter* request_context_getter,
diff --git a/chrome/browser/safe_browsing/safe_browsing_database.cc b/chrome/browser/safe_browsing/safe_browsing_database.cc
index db81dc9..39954d6 100644
--- a/chrome/browser/safe_browsing/safe_browsing_database.cc
+++ b/chrome/browser/safe_browsing/safe_browsing_database.cc
@@ -440,9 +440,6 @@ void SafeBrowsingDatabase::RecordFailure(FailureType failure_type) {
 SafeBrowsingDatabaseNew::SafeBrowsingDatabaseNew()
     : creation_loop_(base::MessageLoop::current()),
       browse_store_(new SafeBrowsingStoreFile),
-      download_store_(NULL),
-      csd_whitelist_store_(NULL),
-      download_whitelist_store_(NULL),
       reset_factory_(this),
       corruption_detected_(false),
       change_detected_(false) {
diff --git a/chrome/browser/safe_browsing/safe_browsing_store_file.cc b/chrome/browser/safe_browsing/safe_browsing_store_file.cc
index 8661faf..bdc5232 100644
--- a/chrome/browser/safe_browsing/safe_browsing_store_file.cc
+++ b/chrome/browser/safe_browsing/safe_browsing_store_file.cc
@@ -201,11 +201,7 @@ void SafeBrowsingStoreFile::CheckForOriginalAndDelete(
 }
 
 SafeBrowsingStoreFile::SafeBrowsingStoreFile()
-    : chunks_written_(0),
-      file_(NULL),
-      empty_(false),
-      corruption_seen_(false) {
-}
+    : chunks_written_(0), empty_(false), corruption_seen_(false) {}
 
 SafeBrowsingStoreFile::~SafeBrowsingStoreFile() {
   Close();
diff --git a/chrome/browser/sync/glue/shared_change_processor_unittest.cc b/chrome/browser/sync/glue/shared_change_processor_unittest.cc
index 795d738..56f0059 100644
--- a/chrome/browser/sync/glue/shared_change_processor_unittest.cc
+++ b/chrome/browser/sync/glue/shared_change_processor_unittest.cc
@@ -37,8 +37,7 @@ class SyncSharedChangeProcessorTest : public testing::Test {
  public:
   SyncSharedChangeProcessorTest()
       : ui_thread_(BrowserThread::UI, &ui_loop_),
-        db_thread_(BrowserThread::DB),
-        db_syncable_service_(NULL) {}
+        db_thread_(BrowserThread::DB) {}
 
   virtual ~SyncSharedChangeProcessorTest() {
     EXPECT_FALSE(db_syncable_service_.get());
diff --git a/chrome/browser/sync_file_system/drive_file_sync_service_sync_unittest.cc b/chrome/browser/sync_file_system/drive_file_sync_service_sync_unittest.cc
index d9f92d0..b05498d 100644
--- a/chrome/browser/sync_file_system/drive_file_sync_service_sync_unittest.cc
+++ b/chrome/browser/sync_file_system/drive_file_sync_service_sync_unittest.cc
@@ -50,7 +50,6 @@ class DriveFileSyncServiceSyncTest : public testing::Test {
       : ui_thread_(content::BrowserThread::UI, &message_loop_),
         file_thread_(content::BrowserThread::FILE, &message_loop_),
         fake_api_util_(NULL),
-        fake_remote_processor_(NULL),
         metadata_store_(NULL),
         resource_count_(0) {}
 
diff --git a/chrome/browser/sync_file_system/drive_file_sync_service_unittest.cc b/chrome/browser/sync_file_system/drive_file_sync_service_unittest.cc
index 96dae8d..1521830e 100644
--- a/chrome/browser/sync_file_system/drive_file_sync_service_unittest.cc
+++ b/chrome/browser/sync_file_system/drive_file_sync_service_unittest.cc
@@ -44,8 +44,7 @@ class DriveFileSyncServiceTest : public testing::Test {
       : ui_thread_(content::BrowserThread::UI, &message_loop_),
         file_thread_(content::BrowserThread::FILE, &message_loop_),
         fake_api_util_(NULL),
-        metadata_store_(NULL),
-        sync_service_(NULL) {}
+        metadata_store_(NULL) {}
 
   virtual void SetUp() OVERRIDE {
     RegisterSyncableFileSystem();
diff --git a/chrome/browser/translate/translate_manager_metrics_unittest.cc b/chrome/browser/translate/translate_manager_metrics_unittest.cc
index bc2f2ea..3425e74 100644
--- a/chrome/browser/translate/translate_manager_metrics_unittest.cc
+++ b/chrome/browser/translate/translate_manager_metrics_unittest.cc
@@ -20,10 +20,7 @@ namespace {
 
 class MetricsRecorder {
  public:
-  explicit MetricsRecorder(const char* key)
-      : key_(key),
-        base_samples_(NULL),
-        samples_(NULL) {
+  explicit MetricsRecorder(const char* key) : key_(key) {
     StatisticsRecorder::Initialize();
 
     HistogramBase* histogram = StatisticsRecorder::FindHistogram(key_);
diff --git a/chrome/browser/ui/gtk/custom_button.cc b/chrome/browser/ui/gtk/custom_button.cc
index 10ecab5..7a20f6b 100644
--- a/chrome/browser/ui/gtk/custom_button.cc
+++ b/chrome/browser/ui/gtk/custom_button.cc
@@ -37,8 +37,7 @@ CustomDrawButtonBase::CustomDrawButtonBase(GtkThemeService* theme_provider,
                                            int pressed_id,
                                            int hover_id,
                                            int disabled_id)
-    : background_image_(NULL),
-      paint_override_(-1),
+    : paint_override_(-1),
       normal_id_(normal_id),
       pressed_id_(pressed_id),
       hover_id_(hover_id),
diff --git a/chrome/browser/ui/gtk/notifications/balloon_view_gtk.cc b/chrome/browser/ui/gtk/notifications/balloon_view_gtk.cc
index 237458c..f8f6897d 100644
--- a/chrome/browser/ui/gtk/notifications/balloon_view_gtk.cc
+++ b/chrome/browser/ui/gtk/notifications/balloon_view_gtk.cc
@@ -104,11 +104,8 @@ BalloonViewImpl::BalloonViewImpl(BalloonCollection* collection)
       hbox_(NULL),
       html_container_(NULL),
       weak_factory_(this),
-      close_button_(NULL),
-      animation_(NULL),
       menu_showing_(false),
-      pending_close_(false) {
-}
+      pending_close_(false) {}
 
 BalloonViewImpl::~BalloonViewImpl() {
   if (frame_container_) {
diff --git a/chrome/browser/ui/gtk/website_settings/website_settings_popup_gtk.cc b/chrome/browser/ui/gtk/website_settings/website_settings_popup_gtk.cc
index ea0bf0f..4ec5151 100644
--- a/chrome/browser/ui/gtk/website_settings/website_settings_popup_gtk.cc
+++ b/chrome/browser/ui/gtk/website_settings/website_settings_popup_gtk.cc
@@ -220,8 +220,7 @@ WebsiteSettingsPopupGtk::WebsiteSettingsPopupGtk(
       identity_contents_(NULL),
       connection_contents_(NULL),
       first_visit_contents_(NULL),
-      notebook_(NULL),
-      presenter_(NULL) {
+      notebook_(NULL) {
   BrowserWindowGtk* browser_window =
       BrowserWindowGtk::GetBrowserWindowForNativeWindow(parent);
   browser_ = browser_window->browser();
diff --git a/chrome/browser/ui/search/instant_controller.cc b/chrome/browser/ui/search/instant_controller.cc
index eea7de3..9a3e084 100644
--- a/chrome/browser/ui/search/instant_controller.cc
+++ b/chrome/browser/ui/search/instant_controller.cc
@@ -540,7 +540,7 @@ bool InstantController::WillFetchCompletions() const {
 scoped_ptr<content::WebContents> InstantController::ReleaseNTPContents() {
   if (!extended_enabled() || !browser_->profile() ||
       browser_->profile()->IsOffTheRecord())
-    return scoped_ptr<content::WebContents>(NULL);
+    return scoped_ptr<content::WebContents>();
 
   LOG_INSTANT_DEBUG_EVENT(this, "ReleaseNTPContents");
 
diff --git a/chrome/browser/ui/search/instant_controller_unittest.cc b/chrome/browser/ui/search/instant_controller_unittest.cc
index fb2ddea..d449236 100644
--- a/chrome/browser/ui/search/instant_controller_unittest.cc
+++ b/chrome/browser/ui/search/instant_controller_unittest.cc
@@ -50,9 +50,7 @@ class TestableInstantController : public InstantController {
   TestableInstantController()
       : InstantController(NULL, true),
         test_instant_url_("http://test_url"),
-        test_extended_enabled_(true),
-        test_overlay_(NULL) {
-  }
+        test_extended_enabled_(true) {}
 
   // Overrides from InstantController
   virtual std::string GetInstantURL() const OVERRIDE {
diff --git a/chrome/browser/ui/search/instant_loader.cc b/chrome/browser/ui/search/instant_loader.cc
index 1e20126..79d0031 100644
--- a/chrome/browser/ui/search/instant_loader.cc
+++ b/chrome/browser/ui/search/instant_loader.cc
@@ -33,10 +33,7 @@ InstantLoader::Delegate::~Delegate() {
 }
 
 InstantLoader::InstantLoader(Delegate* delegate)
-  : delegate_(delegate),
-    contents_(NULL),
-    stale_page_timer_(false, false) {
-}
+    : delegate_(delegate), stale_page_timer_(false, false) {}
 
 InstantLoader::~InstantLoader() {
 }
diff --git a/chrome/browser/ui/website_settings/website_settings_unittest.cc b/chrome/browser/ui/website_settings/website_settings_unittest.cc
index c13a98e..a7f405e 100644
--- a/chrome/browser/ui/website_settings/website_settings_unittest.cc
+++ b/chrome/browser/ui/website_settings/website_settings_unittest.cc
@@ -74,12 +74,7 @@ class MockWebsiteSettingsUI : public WebsiteSettingsUI {
 
 class WebsiteSettingsTest : public ChromeRenderViewHostTestHarness {
  public:
-  WebsiteSettingsTest()
-      : website_settings_(NULL),
-        mock_ui_(NULL),
-        cert_id_(0),
-        url_("http://www.example.com") {
-  }
+  WebsiteSettingsTest() : cert_id_(0), url_("http://www.example.com") {}
 
   virtual ~WebsiteSettingsTest() {
   }
diff --git a/chrome/browser/ui/webui/options/startup_pages_handler.cc b/chrome/browser/ui/webui/options/startup_pages_handler.cc
index 69b711a..02d3a85 100644
--- a/chrome/browser/ui/webui/options/startup_pages_handler.cc
+++ b/chrome/browser/ui/webui/options/startup_pages_handler.cc
@@ -23,9 +23,7 @@
 
 namespace options {
 
-StartupPagesHandler::StartupPagesHandler()
-    : startup_custom_pages_table_model_(NULL) {
-}
+StartupPagesHandler::StartupPagesHandler() {}
 
 StartupPagesHandler::~StartupPagesHandler() {
 
diff --git a/chrome/browser/ui/webui/performance_monitor/performance_monitor_ui_util.cc b/chrome/browser/ui/webui/performance_monitor/performance_monitor_ui_util.cc
index 4f9c71e..2e8a9c1 100644
--- a/chrome/browser/ui/webui/performance_monitor/performance_monitor_ui_util.cc
+++ b/chrome/browser/ui/webui/performance_monitor/performance_monitor_ui_util.cc
@@ -172,7 +172,7 @@ scoped_ptr<VectorOfMetricVectors> AggregateMetric(
     const base::TimeDelta& resolution,
     AggregationMethod method) {
   if (!metrics || intervals.empty())
-    return scoped_ptr<VectorOfMetricVectors>(NULL);
+    return scoped_ptr<VectorOfMetricVectors>();
 
   CHECK(resolution > base::TimeDelta());
 
@@ -188,7 +188,7 @@ scoped_ptr<VectorOfMetricVectors> AggregateMetric(
           type, metrics, start, intervals, resolution);
     default:
       NOTREACHED();
-      return scoped_ptr<VectorOfMetricVectors>(NULL);
+      return scoped_ptr<VectorOfMetricVectors>();
   }
 }
 
diff --git a/chrome/browser/ui/webui/performance_monitor/performance_monitor_ui_util_unittest.cc b/chrome/browser/ui/webui/performance_monitor/performance_monitor_ui_util_unittest.cc
index 92e379e..d120f38 100644
--- a/chrome/browser/ui/webui/performance_monitor/performance_monitor_ui_util_unittest.cc
+++ b/chrome/browser/ui/webui/performance_monitor/performance_monitor_ui_util_unittest.cc
@@ -42,7 +42,7 @@ class PerformanceMonitorUtilTest : public ::testing::Test {
         break;
       default:
         NOTREACHED();
-        return scoped_ptr<Database::MetricVector>(NULL);
+        return scoped_ptr<Database::MetricVector>();
     }
     return aggregator->AggregateInterval(
         type, &metric, metrics->end(), start, kMaxTime, resolution);
diff --git a/chrome/browser/value_store/value_store_frontend_unittest.cc b/chrome/browser/value_store/value_store_frontend_unittest.cc
index cc3ca1f..62295c7 100644
--- a/chrome/browser/value_store/value_store_frontend_unittest.cc
+++ b/chrome/browser/value_store/value_store_frontend_unittest.cc
@@ -68,7 +68,7 @@ class ValueStoreFrontendTest : public testing::Test {
 };
 
 TEST_F(ValueStoreFrontendTest, GetExistingData) {
-  scoped_ptr<base::Value> value(NULL);
+  scoped_ptr<base::Value> value;
   ASSERT_FALSE(Get("key0", &value));
 
   // Test existing keys in the DB.
@@ -97,7 +97,7 @@ TEST_F(ValueStoreFrontendTest, ChangesPersistAfterReload) {
   // Reload the DB and test our changes.
   ResetStorage();
 
-  scoped_ptr<base::Value> value(NULL);
+  scoped_ptr<base::Value> value;
   {
     ASSERT_TRUE(Get("key0", &value));
     int result;
diff --git a/chrome/common/extensions/permissions/api_permission.cc b/chrome/common/extensions/permissions/api_permission.cc
index 2943649..e1ce208 100644
--- a/chrome/common/extensions/permissions/api_permission.cc
+++ b/chrome/common/extensions/permissions/api_permission.cc
@@ -55,7 +55,7 @@ class SimpleAPIPermission : public APIPermission {
   }
 
   virtual scoped_ptr<base::Value> ToValue() const OVERRIDE {
-    return scoped_ptr<base::Value>(NULL);
+    return scoped_ptr<base::Value>();
   }
 
   virtual APIPermission* Clone() const OVERRIDE {
diff --git a/chrome/renderer/extensions/user_script_slave.cc b/chrome/renderer/extensions/user_script_slave.cc
index 4987ac1..4d836d2 100644
--- a/chrome/renderer/extensions/user_script_slave.cc
+++ b/chrome/renderer/extensions/user_script_slave.cc
@@ -126,9 +126,7 @@ void UserScriptSlave::RemoveIsolatedWorld(const std::string& extension_id) {
 }
 
 UserScriptSlave::UserScriptSlave(const ExtensionSet* extensions)
-    : shared_memory_(NULL),
-      script_deleter_(&scripts_),
-      extensions_(extensions) {
+    : script_deleter_(&scripts_), extensions_(extensions) {
   api_js_ = ResourceBundle::GetSharedInstance().GetRawDataResource(
       IDR_GREASEMONKEY_API_JS);
 }
diff --git a/chrome/renderer/translate/translate_helper_metrics_unittest.cc b/chrome/renderer/translate/translate_helper_metrics_unittest.cc
index 4434e24..1ac438a 100644
--- a/chrome/renderer/translate/translate_helper_metrics_unittest.cc
+++ b/chrome/renderer/translate/translate_helper_metrics_unittest.cc
@@ -25,10 +25,7 @@ const int kFalse = 0;
 
 class MetricsRecorder {
  public:
-  explicit MetricsRecorder(const char* key)
-      : key_(key),
-        base_samples_(NULL),
-        samples_(NULL) {
+  explicit MetricsRecorder(const char* key) : key_(key) {
     StatisticsRecorder::Initialize();
 
     HistogramBase* histogram = StatisticsRecorder::FindHistogram(key_);
diff --git a/chrome/service/cloud_print/cloud_print_url_fetcher_unittest.cc b/chrome/service/cloud_print/cloud_print_url_fetcher_unittest.cc
index 9f71b30..748ef81 100644
--- a/chrome/service/cloud_print/cloud_print_url_fetcher_unittest.cc
+++ b/chrome/service/cloud_print/cloud_print_url_fetcher_unittest.cc
@@ -34,8 +34,7 @@ class TrackingTestURLRequestContextGetter
       base::MessageLoopProxy* io_message_loop_proxy,
       net::URLRequestThrottlerManager* throttler_manager)
       : TestURLRequestContextGetter(io_message_loop_proxy),
-        throttler_manager_(throttler_manager),
-        context_(NULL) {
+        throttler_manager_(throttler_manager) {
     g_request_context_getter_instances++;
   }
 
diff --git a/chrome/test/chromedriver/chrome/performance_logger_unittest.cc b/chrome/test/chromedriver/chrome/performance_logger_unittest.cc
index 8f655b0..a3a3627 100644
--- a/chrome/test/chromedriver/chrome/performance_logger_unittest.cc
+++ b/chrome/test/chromedriver/chrome/performance_logger_unittest.cc
@@ -103,13 +103,13 @@ scoped_ptr<DictionaryValue> ParseDictionary(const std::string& json) {
     SCOPED_TRACE(json.c_str());
     SCOPED_TRACE(error.c_str());
     ADD_FAILURE();
-    return scoped_ptr<DictionaryValue>(NULL);
+    return scoped_ptr<DictionaryValue>();
   }
   DictionaryValue* dict = NULL;
   if (!value->GetAsDictionary(&dict)) {
     SCOPED_TRACE("JSON object is not a dictionary");
     ADD_FAILURE();
-    return scoped_ptr<DictionaryValue>(NULL);
+    return scoped_ptr<DictionaryValue>();
   }
   return scoped_ptr<DictionaryValue>(dict->DeepCopy());
 }