Result of git cl format

void FormActivityObserverBridge::DidSubmitDocument(web::WebState* web_state,
                                                   const std::string& form_name,
                                                   bool has_user_gesture,
                                                   bool source_frame_is_main) {
  DCHECK_EQ(web_state, web_state_);
  if ([owner_ respondsToSelector:@selector
              (webState:submittedDocumentWithFormNamed:hasUserGesture
                          :sourceFrameIsMain:)]) {
    [owner_ webState:web_state
        submittedDocumentWithFormNamed:form_name
                        hasUserGesture:has_user_gesture
                     sourceFrameIsMain:source_frame_is_main];
  }
}

Note that the selector in the if is quite bad (: on new line).