Allow DOM.getNodeForLocation to skip to nearest non-shadow ancestor

third_party/WebKit/Source/devtools/front_end/screencast/ScreencastView.js

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 213 matching lines @@
       this._simulateTouchForMouseEvent(event);
       event.preventDefault();
       if (event.type === 'mousedown')
         this._canvasElement.focus();
       return;
     }
 
     var position = this._convertIntoScreenSpace(event);
     this._domModel.nodeForLocation(
         Math.floor(position.x / this._pageScaleFactor + this._scrollOffsetX),
-        Math.floor(position.y / this._pageScaleFactor + this._scrollOffsetY), callback.bind(this));
+        Math.floor(position.y / this._pageScaleFactor + this._scrollOffsetY),
+        Common.moduleSetting('showUAShadowDOM').get(), callback.bind(this));

[peleg, 2017/03/23 02:37:40]

this works, but is there anywhere else we need to declare this module's
dependency on `Common` now, or is it just alway available?

[pfeldman, 2017/03/23 17:26:03]

module dependencies are defined in module.json files, common is there. sorry, we
are not require style.

 
     /**
      * @param {?SDK.DOMNode} node
      * @this {Screencast.ScreencastView}
      */
     function callback(node) {
       if (!node)
         return;
       if (event.type === 'mousemove') {
         this.highlightDOMNode(node, this._inspectModeConfig);
@@ skipping 619 matching lines @@
     if (this._maxDisplayedProgress >= progress)
       return;
     this._maxDisplayedProgress = progress;
     this._displayProgress(progress);
   }
 
   _displayProgress(progress) {
     this._element.style.width = (100 * progress) + '%';
   }
 };