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

Source/web/WebDOMMouseEvent.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 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "public/web/WebDOMMouseEvent.h"
 
 #include "core/events/MouseEvent.h"
 
-using namespace blink;
-
 namespace blink {
 
 int WebDOMMouseEvent::screenX() const
 {
     return constUnwrap<MouseEvent>()->screenX();
 }
 
 int WebDOMMouseEvent::screenY() const
 {
     return constUnwrap<MouseEvent>()->screenY();
@@ skipping 43 matching lines @@
 {
     return constUnwrap<MouseEvent>()->button();
 }
 
 bool WebDOMMouseEvent::buttonDown() const
 {
     return constUnwrap<MouseEvent>()->buttonDown();
 }
 
 } // namespace blink