Notify page load metrics when the app enters the background.

chrome/browser/metrics/chrome_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 "chrome/browser/metrics/chrome_metrics_service_client.h"
 
 #include <stddef.h>
 
 #include <vector>
 
@@ skipping 50 matching lines @@
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 #include "components/sync_driver/device_count_metrics_provider.h"
 #include "components/version_info/version_info.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/histogram_fetcher.h"
 #include "content/public/browser/notification_service.h"
 
 #if BUILDFLAG(ANDROID_JAVA_UI)
 #include "chrome/browser/metrics/android_metrics_provider.h"
+#include "chrome/browser/metrics/page_load_metrics_provider.h"
 #endif
 
 #if defined(ENABLE_PRINT_PREVIEW)
 #include "chrome/browser/service_process/service_process_control.h"
 #endif
 
 #if defined(ENABLE_EXTENSIONS)
 #include "chrome/browser/metrics/extensions_metrics_provider.h"
 #endif
 
@@ skipping 372 matching lines @@
       std::unique_ptr<metrics::MetricsProvider>(profiler_metrics_provider_));
 
   metrics_service_->RegisterMetricsProvider(
       std::unique_ptr<metrics::MetricsProvider>(
           new metrics::CallStackProfileMetricsProvider));
 
 #if BUILDFLAG(ANDROID_JAVA_UI)
   metrics_service_->RegisterMetricsProvider(
       std::unique_ptr<metrics::MetricsProvider>(
           new AndroidMetricsProvider(g_browser_process->local_state())));
+  metrics_service_->RegisterMetricsProvider(
+      std::unique_ptr<metrics::MetricsProvider>(new PageLoadMetricsProvider()));
 #endif  // BUILDFLAG(ANDROID_JAVA_UI)
 
 #if defined(OS_WIN)
   google_update_metrics_provider_ = new GoogleUpdateMetricsProviderWin;
   metrics_service_->RegisterMetricsProvider(
       std::unique_ptr<metrics::MetricsProvider>(
           google_update_metrics_provider_));
 
   metrics_service_->RegisterMetricsProvider(
       std::unique_ptr<metrics::MetricsProvider>(
@@ skipping 298 matching lines @@
   }
 }
 
 void ChromeMetricsServiceClient::OnURLOpenedFromOmnibox(OmniboxLog* log) {
   metrics_service_->OnApplicationNotIdle();
 }
 
 bool ChromeMetricsServiceClient::IsUMACellularUploadLogicEnabled() {
   return metrics::IsCellularLogicEnabled();
 }