Removing "using" delclarations that import names from the STL library.

Source/core/accessibility/AXInlineTextBox.cpp

 /*
  * Copyright (C) 2013, 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
@@ skipping 16 matching lines @@
  */
 
 #include "config.h"
 #include "core/accessibility/AXInlineTextBox.h"
 
 #include "core/accessibility/AXObjectCache.h"
 #include "core/dom/Range.h"
 #include "core/rendering/RenderText.h"
 #include "platform/LayoutUnit.h"
 
-using namespace std;
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 AXInlineTextBox::AXInlineTextBox(PassRefPtr<AbstractInlineTextBox> inlineTextBox)
     : m_inlineTextBox(inlineTextBox)
 {
     RenderText* renderText = m_inlineTextBox->renderText();
     m_axObjectCache = renderText->document().axObjectCache();
@@ skipping 97 matching lines @@
     case AbstractInlineTextBox::TopToBottom:
         return AccessibilityTextDirectionTopToBottom;
     case AbstractInlineTextBox::BottomToTop:
         return AccessibilityTextDirectionBottomToTop;
     }
 
     return AccessibilityTextDirectionLeftToRight;
 }
 
 } // namespace WebCore