Move child process observing from MetricsService to stability provider.

chrome/browser/metrics/metrics_service.h

 // 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.
 
 // This file defines a service that collects information about the user
 // experience in order to help improve future versions of the app.
 
 #ifndef CHROME_BROWSER_METRICS_METRICS_SERVICE_H_
 #define CHROME_BROWSER_METRICS_METRICS_SERVICE_H_
 
@@ skipping 13 matching lines @@
 #include "base/metrics/user_metrics.h"
 #include "base/observer_list.h"
 #include "base/threading/thread_checker.h"
 #include "base/time/time.h"
 #include "chrome/browser/metrics/metrics_log.h"
 #include "chrome/browser/metrics/tracking_synchronizer_observer.h"
 #include "components/metrics/metrics_log_manager.h"
 #include "components/metrics/metrics_provider.h"
 #include "components/metrics/metrics_service_observer.h"
 #include "components/variations/active_field_trials.h"
-#include "content/public/browser/browser_child_process_observer.h"
-#include "content/public/browser/user_metrics.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
 class GoogleUpdateMetricsProviderWin;
 class MetricsReportingScheduler;
 class PrefService;
 class PrefRegistrySimple;
 class PluginMetricsProvider;
 
 namespace base {
 class DictionaryValue;
@@ skipping 37 matching lines @@
 
   // This constructor is private specifically so as to control which code is
   // able to access it. New code that wishes to use it should be added as a
   // friend class.
   SyntheticTrialGroup(uint32 trial, uint32 group);
 };
 
 class MetricsService
     : public base::HistogramFlattener,
       public chrome_browser_metrics::TrackingSynchronizerObserver,
-      public content::BrowserChildProcessObserver,
       public net::URLFetcherDelegate {
  public:
   // The execution phase of the browser.
   enum ExecutionPhase {
     UNINITIALIZED_PHASE = 0,
     START_METRICS_RECORDING = 100,
     CREATE_PROFILE = 200,
     STARTUP_TIMEBOMB_ARM = 300,
     THREAD_WATCHER_START = 400,
     MAIN_MESSAGE_LOOP_RUN = 500,
@@ skipping 59 matching lines @@
 
   // HistogramFlattener:
   virtual void RecordDelta(const base::HistogramBase& histogram,
                            const base::HistogramSamples& snapshot) OVERRIDE;
   virtual void InconsistencyDetected(
       base::HistogramBase::Inconsistency problem) OVERRIDE;
   virtual void UniqueInconsistencyDetected(
       base::HistogramBase::Inconsistency problem) OVERRIDE;
   virtual void InconsistencyDetectedInLoggedCount(int amount) OVERRIDE;
 
-  // Implementation of content::BrowserChildProcessObserver
-  virtual void BrowserChildProcessCrashed(
-      const content::ChildProcessData& data) OVERRIDE;
-
   // This should be called when the application is not idle, i.e. the user seems
   // to be interacting with the application.
   void OnApplicationNotIdle();
 
   // Invoked when we get a WM_SESSIONEND. This places a value in prefs that is
   // reset when RecordCompletedSessionEnd is invoked.
   void RecordStartOfSessionEnd();
 
   // This should be called when the application is shutting down. It records
   // that session end was successful.
@@ skipping 345 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(MetricsServiceTest, IsPluginProcess);
   FRIEND_TEST_ALL_PREFIXES(MetricsServiceTest, MetricsServiceObserver);
   FRIEND_TEST_ALL_PREFIXES(MetricsServiceTest,
                            PermutedEntropyCacheClearedWhenLowEntropyReset);
   FRIEND_TEST_ALL_PREFIXES(MetricsServiceTest, RegisterSyntheticTrial);
 
   DISALLOW_COPY_AND_ASSIGN(MetricsService);
 };
 
 #endif  // CHROME_BROWSER_METRICS_METRICS_SERVICE_H_