Revert of Removing "using" declarations that import names in the C++ Standard library.

Source/core/inspector/DOMEditor.cpp

 /*
  * Copyright (C) 2012 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 24 matching lines @@
 #include "bindings/v8/ExceptionStatePlaceholder.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/Element.h"
 #include "core/dom/Node.h"
 #include "core/dom/Text.h"
 #include "core/editing/markup.h"
 #include "core/inspector/DOMPatchSupport.h"
 #include "core/inspector/InspectorHistory.h"
 #include "wtf/RefPtr.h"
 
+using namespace std;
+
 namespace WebCore {
 
 class DOMEditor::RemoveChildAction FINAL : public InspectorHistory::Action {
     WTF_MAKE_NONCOPYABLE(RemoveChildAction);
 public:
     RemoveChildAction(Node* parentNode, Node* node)
         : InspectorHistory::Action("RemoveChild")
         , m_parentNode(parentNode)
         , m_node(node)
     {
@@ skipping 461 matching lines @@
     return result;
 }
 
 void DOMEditor::trace(Visitor* visitor)
 {
     visitor->trace(m_history);
 }
 
 } // namespace WebCore