Notify GCMAppHandlers when the store is reset, so they clear cached IDs

components/gcm_driver/gcm_account_mapper.cc

Index: components/gcm_driver/gcm_account_mapper.cc
diff --git a/components/gcm_driver/gcm_account_mapper.cc b/components/gcm_driver/gcm_account_mapper.cc
index db81c3aec99170c2c9e26ff43522186fda8f3f74..7e80280bc9af454f2b682fc2be24fd5668f9a245 100644
--- a/components/gcm_driver/gcm_account_mapper.cc
+++ b/components/gcm_driver/gcm_account_mapper.cc
@@ -150,6 +150,11 @@ void GCMAccountMapper::ShutdownHandler() {
   dispatch_message_callback_.Reset();
 }
 
+void GCMAccountMapper::OnStoreReset() {
+  // Nothing to do here since GCMAccountMapper doesn't locally persist
+  // registration ID, instead it just re-registers.

[Peter Beverloo, 2016/11/03 17:28:56]

registration_id_

[johnme, 2016/11/08 19:22:41]

Done (now calls ShutdownHandler).

+}
+
 void GCMAccountMapper::OnMessage(const std::string& app_id,
                                  const IncomingMessage& message) {
   DCHECK_EQ(app_id, kGCMAccountMapperAppId);