DevTools: do not use Internals for inspector highlight tests.

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 1451 matching lines @@
 Vector<unsigned long> Internals::setMemoryCacheCapacities(unsigned long minDeadBytes, unsigned long maxDeadBytes, unsigned long totalBytes)
 {
     Vector<unsigned long> result;
     result.append(memoryCache()->minDeadCapacity());
     result.append(memoryCache()->maxDeadCapacity());
     result.append(memoryCache()->capacity());
     memoryCache()->setCapacities(minDeadBytes, maxDeadBytes, totalBytes);
     return result;
 }
 
-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 854 matching lines @@
 {
     ThreadState::current()->scheduleGC();
 }
 
 ValueIterable<int>::IterationSource* Internals::startIteration(ScriptState*, ExceptionState&)
 {
     return new InternalsIterationSource();
 }
 
 } // namespace blink