Componentize DriveMetricsProvider*

chrome/browser/metrics/chrome_metrics_service_client.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_CHROME_METRICS_SERVICE_CLIENT_H_
 #define CHROME_BROWSER_METRICS_CHROME_METRICS_SERVICE_CLIENT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/containers/scoped_ptr_map.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "chrome/browser/metrics/metrics_memory_details.h"
 #include "components/metrics/metrics_service_client.h"
 #include "components/metrics/profiler/tracking_synchronizer_observer.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class ChromeOSMetricsProvider;
-class DriveMetricsProvider;
 class GoogleUpdateMetricsProviderWin;
 class PluginMetricsProvider;
 class PrefRegistrySimple;
 class PrefService;
 class ProcessResourceUsage;
 
 #if !defined(OS_CHROMEOS) && !defined(OS_IOS)
 class SigninStatusMetricsProvider;
 #endif
 
 namespace base {
 class FilePath;
 }  // namespace base
 
 namespace metrics {
+class DriveMetricsProvider;
 class MetricsService;
 class MetricsStateManager;
 class ProfilerMetricsProvider;
 }  // namespace metrics
 
 // ChromeMetricsServiceClient provides an implementation of MetricsServiceClient
 // that depends on chrome/.
 class ChromeMetricsServiceClient
     : public metrics::MetricsServiceClient,
       public metrics::TrackingSynchronizerObserver,
@@ skipping 118 matching lines @@
 #endif
 
 #if defined(OS_WIN)
   // The GoogleUpdateMetricsProviderWin instance that was registered with
   // MetricsService. Has the same lifetime as |metrics_service_|.
   GoogleUpdateMetricsProviderWin* google_update_metrics_provider_;
 #endif
 
   // The DriveMetricsProvider instance that was registered with MetricsService.
   // Has the same lifetime as |metrics_service_|.
-  DriveMetricsProvider* drive_metrics_provider_;
+  metrics::DriveMetricsProvider* drive_metrics_provider_;
 
   // Callback that is called when initial metrics gathering is complete.
   base::Closure finished_gathering_initial_metrics_callback_;
 
   // The MemoryGrowthTracker instance that tracks memory usage growth in
   // MemoryDetails.
   MemoryGrowthTracker memory_growth_tracker_;
 
   // Callback to determine whether or not a cellular network is currently being
   // used.
   base::Callback<void(bool*)> cellular_callback_;
 
   // Time of this object's creation.
   const base::TimeTicks start_time_;
 
   // Map of ProcessResourceUsage from render process host IDs.
   base::ScopedPtrMap<int, scoped_ptr<ProcessResourceUsage>>
       host_resource_usage_map_;
 
   base::WeakPtrFactory<ChromeMetricsServiceClient> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeMetricsServiceClient);
 };
 
 #endif  // CHROME_BROWSER_METRICS_CHROME_METRICS_SERVICE_CLIENT_H_