Fix touch accessibility events in WebViews and iframes

third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp

 /*
 * Copyright (C) 2008 Apple 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:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 1395 matching lines @@
     PaintLayer* layer = toLayoutBox(m_layoutObject)->layer();
 
     HitTestRequest request(HitTestRequest::ReadOnly | HitTestRequest::Active);
     HitTestResult hitTestResult = HitTestResult(request, point);
     layer->hitTest(hitTestResult);
     if (!hitTestResult.innerNode())
         return 0;
 
     Node* node = hitTestResult.innerNode();
 
-    // MediaDocument has a special shadow root for displaying the save button.
-    bool allowNodeInShadowTree = node->document().isMediaDocument() && RuntimeEnabledFeatures::mediaDocumentDownloadButtonEnabled();
-
-    // Allow the hit test to return media control buttons.
-    if (node->isInShadowTree() && (!isHTMLInputElement(*node) || !node->isMediaControlElement()) && !allowNodeInShadowTree)
-        node = node->shadowHost();
-
     if (isHTMLAreaElement(node))
         return accessibilityImageMapHitTest(toHTMLAreaElement(node), point);
 
     if (isHTMLOptionElement(node))
         node = toHTMLOptionElement(*node).ownerSelectElement();
 
     LayoutObject* obj = node->layoutObject();
     if (!obj)
         return 0;
 
@@ skipping 1041 matching lines @@
         if (label && label->layoutObject()) {
             LayoutRect labelRect = axObjectCache().getOrCreate(label)->elementRect();
             result.unite(labelRect);
         }
     }
 
     return result;
 }
 
 } // namespace blink