Rename MetricsServiceHelper to ChromeMetricsServiceAccessor.

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 17 matching lines @@
 #include "chrome/common/metrics/metrics_service_base.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/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/user_metrics.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
-class ChromeBrowserMetricsServiceObserver;
 class GoogleUpdateMetricsProviderWin;
 class MetricsReportingScheduler;
 class PrefService;
 class PrefRegistrySimple;
-class Profile;
-class TemplateURLService;
-
-namespace {
-class CrashesDOMHandler;
-class FlashDOMHandler;
-}
 
 namespace base {
 class DictionaryValue;
 class MessageLoopProxy;
 }
 
 namespace variations {
 struct ActiveGroupId;
 }
 
 namespace content {
 class RenderProcessHost;
 class WebContents;
 struct WebPluginInfo;
 }
 
-namespace extensions {
-class ExtensionDownloader;
-class ManifestFetchData;
-class MetricsPrivateGetIsCrashReportingEnabledFunction;
-}
-
 namespace metrics {
 class MetricsServiceClient;
 class MetricsStateManager;
 }
 
 namespace net {
 class URLFetcher;
 }
 
-namespace prerender {
-bool IsOmniboxEnabled(Profile* profile);
-}
-
-namespace system_logs {
-class ChromeInternalLogSource;
-}
-
 namespace tracked_objects {
 struct ProcessDataSnapshot;
 }
 
 // A Field Trial and its selected group, which represent a particular
 // Chrome configuration state. For example, the trial name could map to
 // a preference name, and the group name could map to a preference value.
 struct SyntheticTrialGroup {
  public:
   ~SyntheticTrialGroup();
@@ skipping 464 matching lines @@
   static ShutdownCleanliness clean_shutdown_status_;
 
   // Field trial groups that map to Chrome configuration states.
   SyntheticTrialGroups synthetic_trial_groups_;
 
   ObserverList<MetricsServiceObserver> observers_;
 
   // Confirms single-threaded access to |observers_| in debug builds.
   base::ThreadChecker thread_checker_;
 
-  friend class MetricsServiceHelper;
+  friend class ChromeMetricsServiceAccessor;
 
   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);
 };
 
-// This class limits and documents access to metrics service helper methods.
-// Since these methods are private, each user has to be explicitly declared
-// as a 'friend' below.
-class MetricsServiceHelper {
- private:
-  friend bool prerender::IsOmniboxEnabled(Profile* profile);
-  friend class ::ChromeBrowserMetricsServiceObserver;
-  friend class ChromeRenderMessageFilter;
-  friend class ::CrashesDOMHandler;
-  friend class extensions::ExtensionDownloader;
-  friend class extensions::ManifestFetchData;
-  friend class extensions::MetricsPrivateGetIsCrashReportingEnabledFunction;
-  friend class ::FlashDOMHandler;
-  friend class system_logs::ChromeInternalLogSource;
-  FRIEND_TEST_ALL_PREFIXES(MetricsServiceTest, MetricsReportingEnabled);
-  FRIEND_TEST_ALL_PREFIXES(MetricsServiceTest, CrashReportingEnabled);
-
-  // Returns true if prefs::kMetricsReportingEnabled is set.
-  // TODO(asvitkine): Consolidate the method in MetricsStateManager.
-  // TODO(asvitkine): This function does not report the correct value on
-  // Android and ChromeOS, see http://crbug.com/362192.
-  static bool IsMetricsReportingEnabled();
-
-  // Returns true if crash reporting is enabled.  This is set at the platform
-  // level for Android and ChromeOS, and otherwise is the same as
-  // IsMetricsReportingEnabled for desktop Chrome.
-  static bool IsCrashReportingEnabled();
-
-  // Registers/unregisters |observer| to receive MetricsLog notifications
-  // from metrics service.
-  static void AddMetricsServiceObserver(MetricsServiceObserver* observer);
-  static void RemoveMetricsServiceObserver(MetricsServiceObserver* observer);
-
-  DISALLOW_IMPLICIT_CONSTRUCTORS(MetricsServiceHelper);
-};
-
 #endif  // CHROME_BROWSER_METRICS_METRICS_SERVICE_H_