SetKeystoreKey    249 sync/engine/syncer_unittest.cc     mock_server_->SetKeystoreKey("encryption_key");
SetKeystoreKey   4202 sync/engine/syncer_unittest.cc   mock_server_->SetKeystoreKey(std::string());
SetKeystoreKey    168 sync/test/engine/mock_connection_manager.h   void SetKeystoreKey(const std::string& key);