Move MetricsStateManager into the Metrics component.

chrome/browser/metrics/metrics_service.cc

 // 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.
 
 //------------------------------------------------------------------------------
 // Description of the life cycle of a instance of MetricsService.
 //
 //  OVERVIEW
 //
 // A MetricsService instance is typically created at application startup.  It is
@@ skipping 169 matching lines @@
 #include "base/threading/thread.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/tracked_objects.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/io_thread.h"
 #include "chrome/browser/metrics/chrome_stability_metrics_provider.h"
 #include "chrome/browser/metrics/gpu_metrics_provider.h"
 #include "chrome/browser/metrics/metrics_log.h"
-#include "chrome/browser/metrics/metrics_state_manager.h"
 #include "chrome/browser/metrics/network_metrics_provider.h"
 #include "chrome/browser/metrics/omnibox_metrics_provider.h"
 #include "chrome/browser/metrics/profiler_metrics_provider.h"
 #include "chrome/browser/metrics/tracking_synchronizer.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/variations/variations_util.h"
 #include "components/metrics/metrics_log_base.h"
 #include "components/metrics/metrics_log_manager.h"
 #include "components/metrics/metrics_log_uploader.h"
 #include "components/metrics/metrics_pref_names.h"
 #include "components/metrics/metrics_reporting_scheduler.h"
 #include "components/metrics/metrics_service_client.h"
+#include "components/metrics/metrics_state_manager.h"
 #include "components/variations/entropy_provider.h"
 
 #if defined(ENABLE_PLUGINS)
 // TODO(asvitkine): Move this out of MetricsService.
 #include "chrome/browser/metrics/plugin_metrics_provider.h"
 #endif
 
 #if defined(OS_WIN)
 #include "chrome/browser/metrics/google_update_metrics_provider_win.h"
 #endif
@@ skipping 99 matching lines @@
   metrics::MetricsStateManager::RegisterPrefs(registry);
 
   registry->RegisterInt64Pref(prefs::kStabilityLaunchTimeSec, 0);
   registry->RegisterInt64Pref(prefs::kStabilityLastTimestampSec, 0);
   registry->RegisterStringPref(prefs::kStabilityStatsVersion, std::string());
   registry->RegisterInt64Pref(prefs::kStabilityStatsBuildTime, 0);
   registry->RegisterBooleanPref(prefs::kStabilityExitedCleanly, true);
   registry->RegisterIntegerPref(prefs::kStabilityExecutionPhase,
                                 UNINITIALIZED_PHASE);
   registry->RegisterBooleanPref(prefs::kStabilitySessionEndCompleted, true);
-  registry->RegisterIntegerPref(prefs::kMetricsSessionID, -1);
+  registry->RegisterIntegerPref(metrics::prefs::kMetricsSessionID, -1);
   registry->RegisterIntegerPref(prefs::kStabilityLaunchCount, 0);
   registry->RegisterIntegerPref(prefs::kStabilityCrashCount, 0);
   registry->RegisterIntegerPref(prefs::kStabilityIncompleteSessionEndCount, 0);
   registry->RegisterIntegerPref(prefs::kStabilityBreakpadRegistrationFail, 0);
   registry->RegisterIntegerPref(prefs::kStabilityBreakpadRegistrationSuccess,
                                 0);
   registry->RegisterIntegerPref(prefs::kStabilityDebuggerPresent, 0);
   registry->RegisterIntegerPref(prefs::kStabilityDebuggerNotPresent, 0);
 
   registry->RegisterStringPref(prefs::kStabilitySavedSystemProfile,
@@ skipping 293 matching lines @@
 
 //------------------------------------------------------------------------------
 // Initialization methods
 
 void MetricsService::InitializeMetricsState() {
   local_state_->SetString(prefs::kStabilityStatsVersion,
                           client_->GetVersionString());
   local_state_->SetInt64(prefs::kStabilityStatsBuildTime,
                          MetricsLog::GetBuildTime());
 
-  session_id_ = local_state_->GetInteger(prefs::kMetricsSessionID);
+  session_id_ = local_state_->GetInteger(metrics::prefs::kMetricsSessionID);
 
   if (!local_state_->GetBoolean(prefs::kStabilityExitedCleanly)) {
     IncrementPrefValue(prefs::kStabilityCrashCount);
     // Reset flag, and wait until we call LogNeedForCleanShutdown() before
     // monitoring.
     local_state_->SetBoolean(prefs::kStabilityExitedCleanly, true);
 
     // TODO(rtenneti): On windows, consider saving/getting execution_phase from
     // the registry.
     int execution_phase =
         local_state_->GetInteger(prefs::kStabilityExecutionPhase);
     UMA_HISTOGRAM_SPARSE_SLOWLY("Chrome.Browser.CrashedExecutionPhase",
                                 execution_phase);
 
     // If the previous session didn't exit cleanly, then prepare an initial
     // stability log if UMA is enabled.
     if (state_manager_->IsMetricsReportingEnabled())
       PrepareInitialStabilityLog();
   }
 
   // Update session ID.
   ++session_id_;
-  local_state_->SetInteger(prefs::kMetricsSessionID, session_id_);
+  local_state_->SetInteger(metrics::prefs::kMetricsSessionID, session_id_);
 
   // Stability bookkeeping
   IncrementPrefValue(prefs::kStabilityLaunchCount);
 
   DCHECK_EQ(UNINITIALIZED_PHASE, execution_phase_);
   SetExecutionPhase(START_METRICS_RECORDING, local_state_);
 
   if (!local_state_->GetBoolean(prefs::kStabilitySessionEndCompleted)) {
     IncrementPrefValue(prefs::kStabilityIncompleteSessionEndCount);
     // This is marked false when we get a WM_ENDSESSION.
@@ skipping 665 matching lines @@
   RecordCurrentState(local_state_);
 }
 
 void MetricsService::RecordCurrentState(PrefService* pref) {
   pref->SetInt64(prefs::kStabilityLastTimestampSec, Time::Now().ToTimeT());
 
 #if defined(ENABLE_PLUGINS)
   plugin_metrics_provider_->RecordPluginChanges();
 #endif
 }