Adds CastMetricsServiceClient to Chromecast shell.

Chromecast shell starts up MetricsService but reporting is largely
controlled in platform-specific ways. On the Chromecast dongle, this
occurs via the API that interfaces with the setup application.

R=lcwu@chromium.org,asvitkine@chromium.org,isherman@chromium.org,bryaneyler@chromium.org
BUG=400925

Review URL: https://codereview.chromium.org/482813004

Cr-Commit-Position: refs/heads/master@{#291588}

12 files changed, 356 insertions, 1 deletions

diff --git a/chromecast/chromecast.gyp b/chromecast/chromecast.gyp
index 070ffc7..d171205 100644
--- a/chromecast/chromecast.gyp
+++ b/chromecast/chromecast.gyp
@@ -42,6 +42,33 @@
       ],
     },
     {
+      'target_name': 'cast_metrics',
+      'type': '<(component)',
+      'dependencies': [
+        '../components/components.gyp:component_metrics_proto',
+        '../components/components.gyp:metrics',
+        '../components/components.gyp:metrics_net',
+      ],
+      'sources': [
+        'metrics/cast_metrics_prefs.cc',
+        'metrics/cast_metrics_prefs.h',
+        'metrics/cast_metrics_service_client.cc',
+        'metrics/cast_metrics_service_client.h',
+        'metrics/platform_metrics_providers.h',
+      ],
+      'conditions': [
+        ['chromecast_branding=="Chrome"', {
+          'dependencies': [
+            '<(cast_internal_gyp):cast_metrics_internal',
+          ],
+        }, {
+          'sources': [
+            'metrics/platform_metrics_providers_simple.cc',
+          ],
+        }],
+      ],
+    },
+    {
       'target_name': 'cast_service',
       'type': '<(component)',
       'dependencies': [
@@ -128,16 +155,18 @@
       'type': 'executable',
       'dependencies': [
         'cast_common',
+        'cast_metrics',
         'cast_service',
         'cast_shell_pak',
         'cast_shell_resources',
         'cast_version_header',
         'chromecast_locales.gyp:chromecast_locales_pak',
         'chromecast_locales.gyp:chromecast_settings',
-        '../ui/aura/aura.gyp:aura_test_support',
+        '../components/components.gyp:component_metrics_proto',
         '../content/content.gyp:content',
         '../content/content.gyp:content_app_browser',
         '../skia/skia.gyp:skia',
+        '../ui/aura/aura.gyp:aura_test_support',
       ],
       'sources': [
         'net/network_change_notifier_cast.cc',
diff --git a/chromecast/common/chromecast_config.cc b/chromecast/common/chromecast_config.cc
index dfb3866..0e4261d 100644
--- a/chromecast/common/chromecast_config.cc
+++ b/chromecast/common/chromecast_config.cc
@@ -17,6 +17,7 @@
 #include "base/strings/string_number_conversions.h"
 #include "chromecast/common/cast_paths.h"
 #include "chromecast/common/pref_names.h"
+#include "chromecast/metrics/cast_metrics_prefs.h"
 
 namespace chromecast {
 
@@ -74,6 +75,7 @@ bool ChromecastConfig::Load(PrefRegistrySimple* registry) {
   VLOG(1) << "Loading config from " << config_path_.value();
   registry->RegisterIntegerPref(prefs::kRemoteDebuggingPort, 0);
 
+  metrics::RegisterPrefs(registry);
   RegisterPlatformPrefs(registry);
 
   PersistentPrefStore::PrefReadError prefs_read_error =
diff --git a/chromecast/metrics/DEPS b/chromecast/metrics/DEPS
new file mode 100644
index 0000000..d9ef433
--- /dev/null
+++ b/chromecast/metrics/DEPS
@@ -0,0 +1,3 @@
+include_rules = [
+  "+components/metrics",
+]
diff --git a/chromecast/metrics/OWNERS b/chromecast/metrics/OWNERS
new file mode 100644
index 0000000..2518ed9
--- /dev/null
+++ b/chromecast/metrics/OWNERS
@@ -0,0 +1,5 @@
+# components/metrics OWNERS for review of Chromecast metrics code
+asvitkine@chromium.org
+mpearson@chromium.org
+jar@chromium.org
+isherman@chromium.org
diff --git a/chromecast/metrics/cast_metrics_prefs.cc b/chromecast/metrics/cast_metrics_prefs.cc
new file mode 100644
index 0000000..c575f59
--- /dev/null
+++ b/chromecast/metrics/cast_metrics_prefs.cc
@@ -0,0 +1,17 @@
+// Copyright 2014 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 "chromecast/metrics/cast_metrics_prefs.h"
+
+#include "components/metrics/metrics_service.h"
+
+namespace chromecast {
+namespace metrics {
+
+void RegisterPrefs(PrefRegistrySimple* registry) {
+  MetricsService::RegisterPrefs(registry);
+}
+
+}  // namespace metrics
+}  // namespace chromecast
diff --git a/chromecast/metrics/cast_metrics_prefs.h b/chromecast/metrics/cast_metrics_prefs.h
new file mode 100644
index 0000000..ff7a973
--- /dev/null
+++ b/chromecast/metrics/cast_metrics_prefs.h
@@ -0,0 +1,18 @@
+// Copyright 2014 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.
+
+#ifndef CHROMECAST_METRICS_CAST_METRICS_PREFS_H_
+#define CHROMECAST_METRICS_CAST_METRICS_PREFS_H_
+
+class PrefRegistrySimple;
+
+namespace chromecast {
+namespace metrics {
+
+void RegisterPrefs(PrefRegistrySimple* registry);
+
+}  // namespace metrics
+}  // namespace chromecast
+
+#endif  // CHROMECAST_METRICS_CAST_METRICS_PREFS_H_
diff --git a/chromecast/metrics/cast_metrics_service_client.cc b/chromecast/metrics/cast_metrics_service_client.cc
new file mode 100644
index 0000000..eb60be0
--- /dev/null
+++ b/chromecast/metrics/cast_metrics_service_client.cc
@@ -0,0 +1,129 @@
+// Copyright 2014 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 "chromecast/metrics/cast_metrics_service_client.h"
+
+#include "base/i18n/rtl.h"
+#include "chromecast/common/chromecast_config.h"
+#include "chromecast/metrics/platform_metrics_providers.h"
+#include "components/metrics/metrics_provider.h"
+#include "components/metrics/metrics_service.h"
+#include "components/metrics/metrics_state_manager.h"
+#include "components/metrics/net/net_metrics_log_uploader.h"
+
+namespace chromecast {
+namespace metrics {
+
+// static
+CastMetricsServiceClient* CastMetricsServiceClient::Create(
+    PrefService* pref_service,
+    net::URLRequestContextGetter* request_context) {
+  return new CastMetricsServiceClient(pref_service, request_context);
+}
+
+void CastMetricsServiceClient::SetMetricsClientId(
+    const std::string& client_id) {
+  LOG(INFO) << "Metrics client ID set: " << client_id;
+  PlatformSetClientID(client_id);
+}
+
+bool CastMetricsServiceClient::IsOffTheRecordSessionActive() {
+  // Chromecast behaves as "off the record" w/r/t recording browsing state,
+  // but this value is about not disabling metrics because of it.
+  return false;
+}
+
+std::string CastMetricsServiceClient::GetApplicationLocale() {
+  return base::i18n::GetConfiguredLocale();
+}
+
+bool CastMetricsServiceClient::GetBrand(std::string* brand_code) {
+  return false;
+}
+
+::metrics::SystemProfileProto::Channel CastMetricsServiceClient::GetChannel() {
+  return GetPlatformReleaseChannel();
+}
+
+std::string CastMetricsServiceClient::GetVersionString() {
+  return GetPlatformVersionString();
+}
+
+void CastMetricsServiceClient::OnLogUploadComplete() {
+  PlatformOnLogUploadComplete();
+}
+
+void CastMetricsServiceClient::StartGatheringMetrics(
+    const base::Closure& done_callback) {
+  done_callback.Run();
+}
+
+void CastMetricsServiceClient::CollectFinalMetrics(
+    const base::Closure& done_callback) {
+  done_callback.Run();
+}
+
+scoped_ptr< ::metrics::MetricsLogUploader>
+CastMetricsServiceClient::CreateUploader(
+    const std::string& server_url,
+    const std::string& mime_type,
+    const base::Callback<void(int)>& on_upload_complete) {
+  return scoped_ptr< ::metrics::MetricsLogUploader>(
+      new ::metrics::NetMetricsLogUploader(
+          request_context_,
+          server_url,
+          mime_type,
+          on_upload_complete));
+}
+
+void CastMetricsServiceClient::EnableMetricsService(bool enabled) {
+  if (enabled) {
+    metrics_service_->Start();
+  } else {
+    metrics_service_->Stop();
+  }
+}
+
+CastMetricsServiceClient::CastMetricsServiceClient(
+    PrefService* pref_service,
+    net::URLRequestContextGetter* request_context)
+    : metrics_state_manager_(::metrics::MetricsStateManager::Create(
+          pref_service,
+          base::Bind(&CastMetricsServiceClient::IsReportingEnabled,
+                     base::Unretained(this)),
+                     ::metrics::MetricsStateManager::StoreClientInfoCallback(),
+                     ::metrics::MetricsStateManager::LoadClientInfoCallback())),
+      metrics_service_(new MetricsService(
+          metrics_state_manager_.get(),
+          this,
+          ChromecastConfig::GetInstance()->pref_service())),
+      request_context_(request_context) {
+  // Always create a client id as it may also be used by crash reporting,
+  // (indirectly) included in feedback, and can be queried during setup.
+  // For UMA and crash reporting, associated opt-in settings will control
+  // sending reports as directed by the user.
+  // For Setup (which also communicates the user's opt-in preferences),
+  // report the client-id and expect that setup will handle the current opt-in
+  // value.
+  metrics_state_manager_->ForceClientIdCreation();
+
+  // TODO(gunsch): Add the following: GPUMetricsProvider,
+  // NetworkMetricsProvider, ProfilerMetricsProvider. See: crbug/404791
+  RegisterPlatformMetricsProviders(metrics_service_.get());
+
+  metrics_service_->InitializeMetricsRecordingState();
+
+  if (IsReportingEnabled())
+    metrics_service_->Start();
+}
+
+CastMetricsServiceClient::~CastMetricsServiceClient() {
+}
+
+bool CastMetricsServiceClient::IsReportingEnabled() {
+  return PlatformIsReportingEnabled();
+}
+
+}  // namespace metrics
+}  // namespace chromecast
diff --git a/chromecast/metrics/cast_metrics_service_client.h b/chromecast/metrics/cast_metrics_service_client.h
new file mode 100644
index 0000000..5ad791d
--- /dev/null
+++ b/chromecast/metrics/cast_metrics_service_client.h
@@ -0,0 +1,74 @@
+// Copyright 2014 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.
+
+#ifndef CHROMECAST_METRICS_CAST_METRICS_SERVICE_CLIENT_H_
+#define CHROMECAST_METRICS_CAST_METRICS_SERVICE_CLIENT_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "components/metrics/metrics_service_client.h"
+
+class MetricsService;
+class PrefService;
+
+namespace metrics {
+class MetricsStateManager;
+}  // namespace metrics
+
+namespace net {
+class URLRequestContextGetter;
+}  // namespace net
+
+namespace chromecast {
+namespace metrics {
+
+class CastMetricsServiceClient : public ::metrics::MetricsServiceClient {
+ public:
+  virtual ~CastMetricsServiceClient();
+
+  static CastMetricsServiceClient* Create(
+      PrefService* pref_service,
+      net::URLRequestContextGetter* request_context);
+
+  // metrics::MetricsServiceClient implementation:
+  virtual void SetMetricsClientId(const std::string& client_id) OVERRIDE;
+  virtual bool IsOffTheRecordSessionActive() OVERRIDE;
+  virtual std::string GetApplicationLocale() OVERRIDE;
+  virtual bool GetBrand(std::string* brand_code) OVERRIDE;
+  virtual ::metrics::SystemProfileProto::Channel GetChannel() OVERRIDE;
+  virtual std::string GetVersionString() OVERRIDE;
+  virtual void OnLogUploadComplete() OVERRIDE;
+  virtual void StartGatheringMetrics(
+      const base::Closure& done_callback) OVERRIDE;
+  virtual void CollectFinalMetrics(const base::Closure& done_callback) OVERRIDE;
+  virtual scoped_ptr< ::metrics::MetricsLogUploader> CreateUploader(
+      const std::string& server_url,
+      const std::string& mime_type,
+      const base::Callback<void(int)>& on_upload_complete) OVERRIDE;
+
+  // Starts/stops the metrics service.
+  void EnableMetricsService(bool enabled);
+
+ private:
+  explicit CastMetricsServiceClient(
+      PrefService* pref_service,
+      net::URLRequestContextGetter* request_context);
+
+  // Returns whether or not metrics reporting is enabled.
+  bool IsReportingEnabled();
+
+  scoped_ptr< ::metrics::MetricsStateManager> metrics_state_manager_;
+  scoped_ptr<MetricsService> metrics_service_;
+  net::URLRequestContextGetter* request_context_;
+
+  DISALLOW_COPY_AND_ASSIGN(CastMetricsServiceClient);
+};
+
+}  // namespace metrics
+}  // namespace chromecast
+
+#endif  // CHROMECAST_METRICS_CAST_METRICS_SERVICE_CLIENT_H_
diff --git a/chromecast/metrics/platform_metrics_providers.h b/chromecast/metrics/platform_metrics_providers.h
new file mode 100644
index 0000000..d656b39
--- /dev/null
+++ b/chromecast/metrics/platform_metrics_providers.h
@@ -0,0 +1,36 @@
+// Copyright 2014 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.
+
+#ifndef CHROMECAST_METRICS_PLATFORM_METRICS_PROVIDERS_H_
+#define CHROMECAST_METRICS_PLATFORM_METRICS_PROVIDERS_H_
+
+#include "components/metrics/proto/system_profile.pb.h"
+
+class MetricsService;
+
+namespace chromecast {
+namespace metrics {
+
+// Build-level hook for different platforms to provide data to MetricsService.
+void RegisterPlatformMetricsProviders(MetricsService* metrics_service);
+
+// Returns the current release channel.
+::metrics::SystemProfileProto::Channel GetPlatformReleaseChannel();
+
+// Returns a string representing this build's version.
+std::string GetPlatformVersionString();
+
+// Returns whether or not metrics reporting should be on.
+bool PlatformIsReportingEnabled();
+
+// Called when the UMA client ID has been set.
+void PlatformSetClientID(const std::string& client_id);
+
+// Called when an upload has completed.
+void PlatformOnLogUploadComplete();
+
+}  // namespace metrics
+}  // namespace chromecast
+
+#endif  // CHROMECAST_METRICS_PLATFORM_METRICS_PROVIDERS_H_
diff --git a/chromecast/metrics/platform_metrics_providers_simple.cc b/chromecast/metrics/platform_metrics_providers_simple.cc
new file mode 100644
index 0000000..d3f6ab9
--- /dev/null
+++ b/chromecast/metrics/platform_metrics_providers_simple.cc
@@ -0,0 +1,32 @@
+// Copyright 2014 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 "chromecast/metrics/platform_metrics_providers.h"
+
+namespace chromecast {
+namespace metrics {
+
+void RegisterPlatformMetricsProviders(MetricsService* metrics_service) {
+}
+
+::metrics::SystemProfileProto::Channel GetPlatformReleaseChannel() {
+  return ::metrics::SystemProfileProto::CHANNEL_STABLE;
+}
+
+std::string GetPlatformVersionString() {
+  return "";
+}
+
+bool PlatformIsReportingEnabled() {
+  return false;
+}
+
+void PlatformSetClientID(const std::string& client_id) {
+}
+
+void PlatformOnLogUploadComplete() {
+}
+
+}  // namespace metrics
+}  // namespace chromecast
diff --git a/chromecast/shell/browser/cast_browser_main_parts.cc b/chromecast/shell/browser/cast_browser_main_parts.cc
index 72c7544..8b98918d 100644
--- a/chromecast/shell/browser/cast_browser_main_parts.cc
+++ b/chromecast/shell/browser/cast_browser_main_parts.cc
@@ -7,6 +7,7 @@
 #include "base/command_line.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "chromecast/common/chromecast_config.h"
+#include "chromecast/metrics/cast_metrics_service_client.h"
 #include "chromecast/net/network_change_notifier_cast.h"
 #include "chromecast/net/network_change_notifier_factory_cast.h"
 #include "chromecast/service/cast_service.h"
@@ -74,6 +75,9 @@ void CastBrowserMainParts::PreMainMessageLoopRun() {
   url_request_context_factory_->InitializeOnUIThread();
 
   browser_context_.reset(new CastBrowserContext(url_request_context_factory_));
+  metrics_service_client_.reset(metrics::CastMetricsServiceClient::Create(
+      ChromecastConfig::GetInstance()->pref_service(),
+      browser_context_->GetRequestContext()));
   dev_tools_.reset(new RemoteDebuggingServer());
 
   InitializeWebUI();
@@ -92,6 +96,7 @@ void CastBrowserMainParts::PostMainMessageLoopRun() {
 
   cast_service_.reset();
   dev_tools_.reset();
+  metrics_service_client_.reset();
   browser_context_.reset();
 }
 
diff --git a/chromecast/shell/browser/cast_browser_main_parts.h b/chromecast/shell/browser/cast_browser_main_parts.h
index 988ceea..6be05ad 100644
--- a/chromecast/shell/browser/cast_browser_main_parts.h
+++ b/chromecast/shell/browser/cast_browser_main_parts.h
@@ -18,6 +18,10 @@ namespace chromecast {
 
 class CastService;
 
+namespace metrics {
+class CastMetricsServiceClient;
+}  // namespace metrics
+
 namespace shell {
 
 class CastBrowserContext;
@@ -46,6 +50,7 @@ class CastBrowserMainParts : public content::BrowserMainParts {
  private:
   scoped_ptr<CastBrowserContext> browser_context_;
   scoped_ptr<CastService> cast_service_;
+  scoped_ptr<metrics::CastMetricsServiceClient> metrics_service_client_;
   scoped_ptr<RemoteDebuggingServer> dev_tools_;
   URLRequestContextFactory* const url_request_context_factory_;