[DevTools] Adjust svg elements highlight to the root FrameView origin.

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 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.
@@ skipping 1469 matching lines @@
 void Internals::setInspectorResourcesDataSizeLimits(int maximumResourcesContentSize, int maximumSingleResourceContentSize, ExceptionState& exceptionState)
 {
     Page* page = contextDocument()->frame()->page();
     if (!page) {
         exceptionState.throwDOMException(InvalidAccessError, "No page can be obtained from the current context document.");
         return;
     }
     page->inspectorController().setResourcesDataSizeLimitsFromInternals(maximumResourcesContentSize, maximumSingleResourceContentSize);
 }
 
+String Internals::inspectorHighlightJSON(Node* node, ExceptionState& exceptionState)
+{
+    Page* page = contextDocument()->frame()->page();
+    if (!page) {
+        exceptionState.throwDOMException(InvalidAccessError, "No page can be obtained from the current context document.");
+        return String();
+    }
+    RefPtr<JSONObject> json(page->inspectorController().highlightJSONForNode(node));
+    return json->toPrettyJSONString();
+}
+
 bool Internals::hasGrammarMarker(Document* document, int from, int length)
 {
     ASSERT(document);
     if (!document->frame())
         return 0;
 
     return document->frame()->spellChecker().selectionStartHasMarkerFor(DocumentMarker::Grammar, from, length);
 }
 
 unsigned Internals::numberOfScrollableAreas(Document* document)
@@ skipping 799 matching lines @@
     }
     toHTMLPlugInElement(element)->setPlaceholder(DictionaryPluginPlaceholder::create(element->document(), options));
 }
 
 Iterator* Internals::iterator(ScriptState* scriptState, ExceptionState& exceptionState)
 {
     return new InternalsIterator;
 }
 
 } // namespace blink