HashTraits<RefPtr<P> >::PeekType should be raw pointer for better performance

Source/core/inspector/InspectorCSSAgent.cpp

 /*
  * Copyright (C) 2010, 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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 1230 matching lines @@
         InlineStyleOverrideScope overrideScope(document);
         m_creatingViaInspectorStyleSheet = true;
         targetNode->appendChild(styleElement, ec);
         // At this point the added stylesheet will get bound through the updateActiveStyleSheets() invocation.
         // We just need to pick the respective InspectorStyleSheet from m_documentToInspectorStyleSheet.
         m_creatingViaInspectorStyleSheet = false;
     }
     if (ec)
         return 0;
 
-    return m_documentToInspectorStyleSheet.get(document).get();
+    return m_documentToInspectorStyleSheet.get(document);
 }
 
 InspectorStyleSheet* InspectorCSSAgent::assertStyleSheetForId(ErrorString* errorString, const String& styleSheetId)
 {
     IdToInspectorStyleSheet::iterator it = m_idToInspectorStyleSheet.find(styleSheetId);
     if (it == m_idToInspectorStyleSheet.end()) {
         *errorString = "No style sheet with given id found";
         return 0;
     }
     return it->value.get();
@@ skipping 196 matching lines @@
             documentsToChange.add(element->ownerDocument());
     }
 
     m_nodeIdToForcedPseudoState.clear();
     for (HashSet<Document*>::iterator it = documentsToChange.begin(), end = documentsToChange.end(); it != end; ++it)
         (*it)->styleResolverChanged(RecalcStyleImmediately);
 }
 
 } // namespace WebCore