Have DocumentOrderedMap API deal with AtomicString type instead of StringImpl*

Source/bindings/core/v8/custom/V8WindowCustom.cpp

 /*
  * Copyright (C) 2009, 2011 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 404 matching lines @@
     }
 
     // Search IDL functions defined in the prototype
     if (!info.Holder()->GetRealNamedProperty(name).IsEmpty())
         return;
 
     // Search named items in the document.
     Document* doc = frame->document();
 
     if (doc && doc->isHTMLDocument()) {
-        if (toHTMLDocument(doc)->hasNamedItem(propName) || doc->hasElementWithId(propName.impl())) {
+        if (toHTMLDocument(doc)->hasNamedItem(propName) || doc->hasElementWithId(propName)) {
             RefPtrWillBeRawPtr<HTMLCollection> items = doc->windowNamedItems(propName);
             if (!items->isEmpty()) {
                 if (items->hasExactlyOneItem()) {
                     v8SetReturnValueFast(info, items->item(0), window);
                     return;
                 }
                 v8SetReturnValueFast(info, items.release(), window);
                 return;
             }
         }
@@ skipping 108 matching lines @@
     v8::Handle<v8::Context> context = toV8Context(frame, DOMWrapperWorld::current(isolate));
     if (context.IsEmpty())
         return v8Undefined();
 
     v8::Handle<v8::Object> global = context->Global();
     ASSERT(!global.IsEmpty());
     return global;
 }
 
 } // namespace blink