Created attachment 234797 [details]
Add WKNavigationDelegate methods and WKWebView property for monitoring navigation gesture state
Attachment 234797 [details] did not pass style-queue:
ERROR: Source/WebKit2/UIProcess/ios/ViewGestureControllerIOS.mm:214: Place brace on its own line for function definitions. [whitespace/braces] 
Total errors found: 1 in 15 files
If any of these errors are false positives, please file a bug against check-webkit-style.
This broke gtk+ build, but it has been fixed in bug #134861