Move the thread hop for UMA user actions from content:: to base::.

chromecast/browser/metrics/cast_metrics_service_client.cc

 // 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/browser/metrics/cast_metrics_service_client.h"
 
 #include "base/command_line.h"
 #include "base/guid.h"
 #include "base/i18n/rtl.h"
 #include "base/logging.h"
@@ skipping 16 matching lines @@
 #include "components/metrics/metrics_service.h"
 #include "components/metrics/metrics_state_manager.h"
 #include "components/metrics/net/net_metrics_log_uploader.h"
 #include "components/metrics/net/network_metrics_provider.h"
 #include "components/metrics/profiler/profiler_metrics_provider.h"
 #include "components/metrics/ui/screen_info_metrics_provider.h"
 #include "components/metrics/url_constants.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 #include "content/public/common/content_switches.h"
+#include "content/public/browser/browser_thread.h"
 
 #if defined(OS_LINUX)
 #include "chromecast/browser/metrics/external_metrics.h"
 #endif  // defined(OS_LINUX)
 
 #if defined(OS_ANDROID)
 #include "chromecast/base/android/dumpstate_writer.h"
 #endif
 
 namespace chromecast {
@@ skipping 206 matching lines @@
   return std::unique_ptr<::metrics::MetricsLogUploader>(
       new ::metrics::NetMetricsLogUploader(request_context_, uma_server_url,
                                            ::metrics::kDefaultMetricsMimeType,
                                            on_upload_complete));
 }
 
 base::TimeDelta CastMetricsServiceClient::GetStandardUploadInterval() {
   return base::TimeDelta::FromMinutes(kStandardUploadIntervalMinutes);
 }
 
+scoped_refptr<base::SingleThreadTaskRunner>
+    CastMetricsServiceClient::GetMainThreadTaskRunner() {
+  return content::BrowserThread::GetMessageLoopProxyForThread(
+      content::BrowserThread::UI);
+}
+
+

[Ilya Sherman, 2016/04/09 07:06:11]

nit: Spurious newline.

[beaudoin, 2016/04/12 18:47:22]

Done.

 void CastMetricsServiceClient::EnableMetricsService(bool enabled) {
   if (!task_runner_->BelongsToCurrentThread()) {
     task_runner_->PostTask(
         FROM_HERE, base::Bind(&CastMetricsServiceClient::EnableMetricsService,
                               base::Unretained(this), enabled));
     return;
   }
 
   if (enabled) {
     metrics_service_->Start();
@@ skipping 136 matching lines @@
 #endif  // defined(OS_LINUX)
   metrics_service_->Stop();
 }
 
 bool CastMetricsServiceClient::IsReportingEnabled() {
   return pref_service_->GetBoolean(prefs::kOptInStats);
 }
 
 }  // namespace metrics
 }  // namespace chromecast