Convert HTMLFrameOwnerElement and FocusController to use Frame.

Source/core/inspector/InspectorDOMAgent.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * 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
@@ skipping 1515 matching lines @@
         .setLocalName(localName)
         .setNodeValue(nodeValue);
 
     bool forcePushChildren = false;
     if (node->isElementNode()) {
         Element* element = toElement(node);
         value->setAttributes(buildArrayForElementAttributes(element));
 
         if (node->isFrameOwnerElement()) {
             HTMLFrameOwnerElement* frameOwner = toHTMLFrameOwnerElement(node);
-            if (LocalFrame* frame = frameOwner->contentFrame())
+            LocalFrame* frame = (frameOwner->contentFrame() && frameOwner->contentFrame()->isLocalFrame()) ? toLocalFrame(frameOwner->contentFrame()) : 0;
+            if (frame)
                 value->setFrameId(m_pageAgent->frameId(frame));
             if (Document* doc = frameOwner->contentDocument())
                 value->setContentDocument(buildObjectForNode(doc, 0, nodesMap));
         }
 
         ElementShadow* shadow = element->shadow();
         if (shadow) {
             RefPtr<TypeBuilder::Array<TypeBuilder::DOM::Node> > shadowRoots = TypeBuilder::Array<TypeBuilder::DOM::Node>::create();
             for (ShadowRoot* root = shadow->youngestShadowRoot(); root; root = root->olderShadowRoot())
                 shadowRoots->addItem(buildObjectForNode(root, 0, nodesMap));
@@ skipping 567 matching lines @@
     if (!m_documentNodeToIdMap.contains(m_document)) {
         RefPtr<TypeBuilder::DOM::Node> root;
         getDocument(errorString, root);
         return errorString->isEmpty();
     }
     return true;
 }
 
 } // namespace WebCore