Revert of Eliminate //chrome dependencies from MetricsServicesManager

chrome/browser/metrics/metrics_services_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_METRICS_METRICS_SERVICES_MANAGER_H_
 #define CHROME_BROWSER_METRICS_METRICS_SERVICES_MANAGER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/thread_checker.h"
+#include "chrome/browser/safe_browsing/safe_browsing_service.h"
 
-class MetricsServicesManagerClient;
+class ChromeMetricsServiceClient;
+class PrefService;
 
 namespace base {
 class FilePath;
 }
 
 namespace metrics {
 class MetricsService;
-class MetricsServiceClient;
 class MetricsStateManager;
 }
 
 namespace rappor {
 class RapporService;
 }
 
 namespace variations {
 class VariationsService;
 }
 
-// MetricsServicesManager is a helper class for embedders that use the various
-// metrics-related services in a Chrome-like fashion: MetricsService (via its
-// client), RapporService and VariationsService.
+// MetricsServicesManager is a helper class that has ownership over the various
+// metrics-related services in Chrome: MetricsService (via its client),
+// RapporService and VariationsService.
 class MetricsServicesManager {
  public:
-  // Creates the MetricsServicesManager with the given client.
-  explicit MetricsServicesManager(
-      scoped_ptr<MetricsServicesManagerClient> client);
+  // Creates the MetricsServicesManager with the |local_state| prefs service.
+  explicit MetricsServicesManager(PrefService* local_state);
   virtual ~MetricsServicesManager();
 
   // Returns the MetricsService, creating it if it hasn't been created yet (and
-  // additionally creating the MetricsServiceClient in that case).
+  // additionally creating the ChromeMetricsServiceClient in that case).
   metrics::MetricsService* GetMetricsService();
 
-  // Returns the RapporService, creating it if it hasn't been created yet.
+  // Returns the GetRapporService, creating it if it hasn't been created yet.
   rappor::RapporService* GetRapporService();
 
   // Returns the VariationsService, creating it if it hasn't been created yet.
   variations::VariationsService* GetVariationsService();
 
   // Should be called when a plugin loading error occurs.
   void OnPluginLoadingError(const base::FilePath& plugin_path);
 
   // Update the managed services when permissions for recording/uploading
   // metrics change.
   void UpdatePermissions(bool may_record, bool may_upload);
 
   // Update the managed services when permissions for uploading metrics change.
   void UpdateUploadPermissions(bool may_upload);
 
  private:
   // Update the managed services when permissions for recording/uploading
   // metrics change.
   void UpdateRapporService();
 
-  // Returns the MetricsServiceClient, creating it if it hasn't been
+  // Returns the ChromeMetricsServiceClient, creating it if it hasn't been
   // created yet (and additionally creating the MetricsService in that case).
-  metrics::MetricsServiceClient* GetMetricsServiceClient();
+  ChromeMetricsServiceClient* GetChromeMetricsServiceClient();
 
   metrics::MetricsStateManager* GetMetricsStateManager();
 
+  // Retrieve the latest SafeBrowsing preferences state.
+  bool GetSafeBrowsingState();
+
   // Update which services are running to match current permissions.
   void UpdateRunningServices();
 
-  // The client passed in from the embedder.
-  scoped_ptr<MetricsServicesManagerClient> client_;
-
   // Ensures that all functions are called from the same thread.
   base::ThreadChecker thread_checker_;
 
+  // Weak pointer to the local state prefs store.
+  PrefService* local_state_;
+
+  // Subscription to SafeBrowsing service state changes.
+  scoped_ptr<SafeBrowsingService::StateSubscription> sb_state_subscription_;
+
   // The current metrics reporting setting.
   bool may_upload_;
 
   // The current metrics recording setting.
   bool may_record_;
 
-  // The MetricsServiceClient. Owns the MetricsService.
-  scoped_ptr<metrics::MetricsServiceClient> metrics_service_client_;
+  // MetricsStateManager which is passed as a parameter to service constructors.
+  scoped_ptr<metrics::MetricsStateManager> metrics_state_manager_;
+
+  // Chrome embedder implementation of the MetricsServiceClient. Owns the
+  // MetricsService.
+  scoped_ptr<ChromeMetricsServiceClient> metrics_service_client_;
 
   // The RapporService, for RAPPOR metric uploads.
   scoped_ptr<rappor::RapporService> rappor_service_;
 
   // The VariationsService, for server-side experiments infrastructure.
   scoped_ptr<variations::VariationsService> variations_service_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsServicesManager);
 };
 
 #endif  // CHROME_BROWSER_METRICS_METRICS_SERVICES_MANAGER_H_