Add a mechanism to pause and resume geolocation requests.

content/browser/geolocation/geolocation_provider_impl.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.
 
 #ifndef CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_PROVIDER_IMPL_H_
 #define CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_PROVIDER_IMPL_H_
 
 #include <list>
 #include <vector>
 
@@ skipping 23 matching lines @@
 class CONTENT_EXPORT GeolocationProviderImpl
     : public NON_EXPORTED_BASE(GeolocationProvider),
       public base::Thread {
  public:
   // GeolocationProvider implementation:
   virtual void AddLocationUpdateCallback(const LocationUpdateCallback& callback,
                                          bool use_high_accuracy) OVERRIDE;
   virtual bool RemoveLocationUpdateCallback(
       const LocationUpdateCallback& callback) OVERRIDE;
   virtual void UserDidOptIntoLocationServices() OVERRIDE;
+  virtual void PauseAllLocationUpdateCallbacks() OVERRIDE;
+  virtual void ResumeAllLocationUpdateCallbacks() OVERRIDE;
 
   bool LocationServicesOptedIn() const;
 
   // Overrides the location for automation/testing. Suppresses any further
   // updates from the actual providers and sends an update with the overridden
   // position to all registered clients.
   void OverrideLocationForTesting(const Geoposition& override_position);
 
   // Callback from the LocationArbitrator. Public for testing.
   void OnLocationUpdate(const Geoposition& position);
@@ skipping 50 matching lines @@
 
   // Only to be used on the geolocation thread.
   LocationArbitrator* arbitrator_;
 
   DISALLOW_COPY_AND_ASSIGN(GeolocationProviderImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_PROVIDER_IMPL_H_