Propogate RAPPOR permission changes

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/prefs/pref_change_registrar.h"
 #include "base/threading/thread_checker.h"
 #include "components/rappor/rappor_service.h"
 
 class ChromeMetricsServiceClient;
 class PrefService;
 
 namespace base {
 class FilePath;
 }
 
@@ skipping 39 matching lines @@
   // Update the managed services when permissions for uploading metrics change.
   void UpdateUploadPermissions(bool may_upload);
 
   // Returns true iff Rappor reporting is enabled.
   bool IsRapporEnabled(bool metrics_enabled) const;
 
   // Returns the recording level for Rappor metrics.
   rappor::RecordingLevel GetRapporRecordingLevel(bool metrics_enabled) const;
 
  private:
+  // Update the managed services when permissions for recording/uploading
+  // metrics change.
+  void UpdateRapporService();
+
   // Returns the ChromeMetricsServiceClient, creating it if it hasn't been
   // created yet (and additionally creating the MetricsService in that case).
   ChromeMetricsServiceClient* GetChromeMetricsServiceClient();
 
   metrics::MetricsStateManager* GetMetricsStateManager();
 
   // 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_;
 
+  // A change registrar for local_state_;
+  PrefChangeRegistrar pref_change_registrar_;
+
+  // The current metrics reporting setting.
+  bool may_upload_;
+
+  // The current metrics recording setting.
+  bool may_record_;
+
   // 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<chrome_variations::VariationsService> variations_service_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsServicesManager);
 };
 
 #endif  // CHROME_BROWSER_METRICS_METRICS_SERVICES_MANAGER_H_