[GCM] Wiring heartbeat interval calls to GCMDriver

components/gcm_driver/fake_gcm_client.cc

Index: components/gcm_driver/fake_gcm_client.cc
diff --git a/components/gcm_driver/fake_gcm_client.cc b/components/gcm_driver/fake_gcm_client.cc
index 17952888e98c7cf994113af5a0f91f20ceff07bb..3a6a467be4d61f022247f6f7a54f90c34b77ef2e 100644
--- a/components/gcm_driver/fake_gcm_client.cc
+++ b/components/gcm_driver/fake_gcm_client.cc
@@ -137,6 +137,13 @@ void FakeGCMClient::SetLastTokenFetchTime(const base::Time& time) {
 void FakeGCMClient::UpdateHeartbeatTimer(scoped_ptr<base::Timer> timer) {
 }
 
+void FakeGCMClient::AddHeartbeatInterval(const std::string& scope,
+                                         int interval_ms) {
+}
+
+void FakeGCMClient::RemoveHeartbeatInterval(const std::string& scope) {
+}
+
 void FakeGCMClient::PerformDelayedStart() {
   DCHECK(ui_thread_->RunsTasksOnCurrentThread());