Rename Document::ownerElement to localOwner and fix main frame checks.

third_party/WebKit/Source/core/input/TouchActionUtil.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/input/TouchActionUtil.h"
 
 #include "core/dom/Node.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/layout/LayoutBox.h"
 #include "core/layout/LayoutObject.h"
@@ skipping 18 matching lines @@
 }
 
 const Node* parentNodeAcrossFrames(const Node* curNode)
 {
     Node* parentNode = FlatTreeTraversal::parent(*curNode);
     if (parentNode)
         return parentNode;
 
     if (curNode->isDocumentNode()) {
         const Document* doc = toDocument(curNode);
-        return doc->ownerElement();
+        return doc->localOwner();
     }
 
     return nullptr;
 }
 
 } // namespace
 
 TouchAction computeEffectiveTouchAction(const Node& node)
 {
     // Start by permitting all actions, then walk the elements supporting
@@ skipping 17 matching lines @@
             if ((layoutObject->isBox() && toLayoutBox(layoutObject)->scrollsOverflow())
                 || layoutObject->isLayoutView())
                 handledTouchActions |= TouchActionPan;
         }
     }
     return effectiveTouchAction;
 }
 
 } // namespace TouchActionUtil
 } // namespace blink