Control invalidations network channel from TiclInvalidationService

sync/notifier/push_client_channel.h

Index: sync/notifier/push_client_channel.h
diff --git a/sync/notifier/push_client_channel.h b/sync/notifier/push_client_channel.h
index fa029ab91cdef106bd44f142f48469df8986238e..5e4f92b06ab23d03477157edcec0aa7518c2a815 100644
--- a/sync/notifier/push_client_channel.h
+++ b/sync/notifier/push_client_channel.h
@@ -35,7 +35,8 @@ class SYNC_EXPORT_PRIVATE PushClientChannel
   // If not connected, connects with the given credentials.  If
   // already connected, the next connection attempt will use the given
   // credentials.
-  void UpdateCredentials(const std::string& email, const std::string& token);
+  virtual void UpdateCredentials(const std::string& email,
+      const std::string& token) OVERRIDE;
 
   // SyncNetworkChannel implementation.
   virtual void SendEncodedMessage(const std::string& encoded_message) OVERRIDE;