Cleanup namespace usage in Source/web/Web[A-H]*.cpp

Source/web/WebFormControlElement.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:
  *
  *     * 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 22 matching lines @@
 
 #include "core/dom/NodeRenderStyle.h"
 #include "core/html/HTMLFormControlElement.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLSelectElement.h"
 #include "core/html/HTMLTextAreaElement.h"
 
 #include "wtf/PassRefPtr.h"
 
-using namespace blink;
-
 namespace blink {
 
 bool WebFormControlElement::isEnabled() const
 {
     return !constUnwrap<HTMLFormControlElement>()->isDisabledFormControl();
 }
 
 bool WebFormControlElement::isReadOnly() const
 {
     return constUnwrap<HTMLFormControlElement>()->isReadOnly();
@@ skipping 142 matching lines @@
     m_private = elem;
     return *this;
 }
 
 WebFormControlElement::operator PassRefPtrWillBeRawPtr<HTMLFormControlElement>() const
 {
     return toHTMLFormControlElement(m_private.get());
 }
 
 } // namespace blink