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

Source/core/html/HTMLInputElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
@@ skipping 58 matching lines @@
 #include "core/page/Chrome.h"
 #include "core/page/ChromeClient.h"
 #include "core/rendering/RenderTextControlSingleLine.h"
 #include "core/rendering/RenderTheme.h"
 #include "platform/DateTimeChooser.h"
 #include "platform/Language.h"
 #include "platform/PlatformMouseEvent.h"
 #include "platform/text/PlatformLocale.h"
 #include "wtf/MathExtras.h"
 
-using namespace std;
-
 namespace WebCore {
 
 using namespace HTMLNames;
 
 class ListAttributeTargetObserver : public IdTargetObserver {
     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
 public:
     static PassOwnPtrWillBeRawPtr<ListAttributeTargetObserver> create(const AtomicString& id, HTMLInputElement*);
     virtual void trace(Visitor*) OVERRIDE;
     virtual void idTargetChanged() OVERRIDE;
@@ skipping 1768 matching lines @@
     return m_inputTypeView->customStyleForRenderer(originalStyleForRenderer());
 }
 #endif
 
 bool HTMLInputElement::shouldDispatchFormControlChangeEvent(String& oldValue, String& newValue)
 {
     return m_inputType->shouldDispatchFormControlChangeEvent(oldValue, newValue);
 }
 
 } // namespace