[GCM] Adding the OnSendAcknowledgement event

components/gcm_driver/default_gcm_app_handler.cc

Index: components/gcm_driver/default_gcm_app_handler.cc
diff --git a/components/gcm_driver/default_gcm_app_handler.cc b/components/gcm_driver/default_gcm_app_handler.cc
index 2e745a031c8fac5d4a7699181be01d22eec47c93..47bd33c2404d0012958971145177d340104730d2 100644
--- a/components/gcm_driver/default_gcm_app_handler.cc
+++ b/components/gcm_driver/default_gcm_app_handler.cc
@@ -37,6 +37,12 @@ void DefaultGCMAppHandler::OnSendError(
              << app_id;
 }
 
+void DefaultGCMAppHandler::OnSendAcknowledged(const std::string& app_id,
+                                              const std::string& message_id) {
+  LOG(ERROR) << "No app handler is found to route send acknoledgement for "

[Nicolas Zea, 2014/08/05 23:39:48]

Will this get hit if we send a message after uninstalling the app? Maybe just
DVLOG if it's expected?

[fgorski, 2014/08/06 16:22:27]

Done. That is a valid scenario, and I updated the whole file to use DVLOGs
instead of LOG(ERROR)

+             << app_id;
+}
+
 void DefaultGCMAppHandler::OnConnected(const net::IPEndPoint& ip_endpoint) {
   // TODO(semenzato): update CrOS NIC state.
   DVLOG(1) << "GCM connected to " << ip_endpoint.ToString();