[GCM] Wiring heartbeat interval calls to GCMDriver

components/gcm_driver/gcm_driver_android.cc

Index: components/gcm_driver/gcm_driver_android.cc
diff --git a/components/gcm_driver/gcm_driver_android.cc b/components/gcm_driver/gcm_driver_android.cc
index 2f82fbec91c434a9fddaf104e4f460ae921a4c30..6980563b012f5253293255365d3d56c26764f58b 100644
--- a/components/gcm_driver/gcm_driver_android.cc
+++ b/components/gcm_driver/gcm_driver_android.cc
@@ -162,6 +162,13 @@ void GCMDriverAndroid::SetLastTokenFetchTime(const base::Time& time) {
 void GCMDriverAndroid::WakeFromSuspendForHeartbeat(bool wake) {
 }
 
+void GCMDriverAndroid::AddHeartbeatInterval(const std::string& scope,
+                                            int interval_ms) {
+}
+
+void GCMDriverAndroid::RemoveHeartbeatInterval(const std::string& scope) {
+}
+
 GCMClient::Result GCMDriverAndroid::EnsureStarted(
     GCMClient::StartMode start_mode) {
   // TODO(johnme): Maybe we should check if GMS is available?