class ListValue;
}
+struct Session;
class Status;
class WebView;
const std::string& bytes,
base::FilePath* file);
+// Calls BeforeCommand for each of |session|'s |CommandListener|s.
+// If an error is encountered, will mark |session| for deletion and return.
+Status NotifyCommandListenersBeforeCommand(Session* session,
+ const std::string& command_name);
+
#endif // CHROME_TEST_CHROMEDRIVER_UTIL_H_