GetSyncLoopForTesting 209 chrome/browser/sync/glue/sync_backend_host.h virtual base::MessageLoop* GetSyncLoopForTesting() = 0; GetSyncLoopForTesting 130 chrome/browser/sync/glue/sync_backend_host_impl.h virtual base::MessageLoop* GetSyncLoopForTesting() OVERRIDE; GetSyncLoopForTesting 101 chrome/browser/sync/glue/sync_backend_host_mock.h virtual base::MessageLoop* GetSyncLoopForTesting() OVERRIDE;