Push API: Fix unsubscribing from GCM on Android

components/gcm_driver/gcm_driver_desktop.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 COMPONENTS_GCM_DRIVER_GCM_DRIVER_DESKTOP_H_
 #define COMPONENTS_GCM_DRIVER_GCM_DRIVER_DESKTOP_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 77 matching lines @@
   bool gcm_enabled() const { return gcm_enabled_; }
   GCMChannelStatusSyncer* gcm_channel_status_syncer_for_testing() {
     return gcm_channel_status_syncer_.get();
   }
 
  protected:
   // GCMDriver implementation:
   GCMClient::Result EnsureStarted(GCMClient::StartMode start_mode) override;
   void RegisterImpl(const std::string& app_id,
                     const std::vector<std::string>& sender_ids) override;
-  void UnregisterImpl(const std::string& app_id) override;
+  void UnregisterImpl(const std::string& app_id,
+                      const std::vector<std::string>& sender_ids) override;
   void SendImpl(const std::string& app_id,
                 const std::string& receiver_id,
                 const GCMClient::OutgoingMessage& message) override;
 
  private:
   class IOWorker;
 
   //  Stops the GCM service. It can be restarted by calling EnsureStarted again.
   void Stop();
 
@@ skipping 65 matching lines @@
 
   // Used to pass a weak pointer to the IO worker.
   base::WeakPtrFactory<GCMDriverDesktop> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GCMDriverDesktop);
 };
 
 }  // namespace gcm
 
 #endif  // COMPONENTS_GCM_DRIVER_GCM_DRIVER_DESKTOP_H_