Push API: Fix unsubscribing from GCM on Android

chrome/browser/services/gcm/fake_gcm_profile_service.cc

Index: chrome/browser/services/gcm/fake_gcm_profile_service.cc
diff --git a/chrome/browser/services/gcm/fake_gcm_profile_service.cc b/chrome/browser/services/gcm/fake_gcm_profile_service.cc
index 3d2d2109cdfbe5eb0858b789bccd4fbc4c3e5837..702100e5f16568453455052cf6952592675af3d4 100644
--- a/chrome/browser/services/gcm/fake_gcm_profile_service.cc
+++ b/chrome/browser/services/gcm/fake_gcm_profile_service.cc
@@ -37,7 +37,8 @@ class CustomFakeGCMDriver : public FakeGCMDriver {
   // FakeGCMDriver overrides:
   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;
@@ -66,7 +67,9 @@ void CustomFakeGCMDriver::RegisterImpl(
                  sender_ids));
 }
 
-void CustomFakeGCMDriver::UnregisterImpl(const std::string& app_id) {
+void CustomFakeGCMDriver::UnregisterImpl(
+    const std::string& app_id,
+    const std::vector<std::string>& sender_ids) {
   base::MessageLoop::current()->PostTask(
       FROM_HERE, base::Bind(
           &FakeGCMProfileService::UnregisterFinished,