DevTools: do not use Internals for inspector highlight tests.

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index 99f73b7ec481854ce1b5cda4b6da8996cb069341..d64189972b4deab7a7b7ecc94608c0753b419b80 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -1469,17 +1469,6 @@ Vector<unsigned long> Internals::setMemoryCacheCapacities(unsigned long minDeadB
     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);