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

Source/web/WebDOMProgressEvent.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:
  *
  *     * 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 16 matching lines @@
  * (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/WebDOMProgressEvent.h"
 
 #include "core/events/ProgressEvent.h"
 #include "public/platform/WebString.h"
 
-using namespace blink;
-
 namespace blink {
 
 WebDOMProgressEvent::WebDOMProgressEvent(const WebString& type, bool lengthIsComputable, unsigned long long loaded, unsigned long long total)
     : WebDOMEvent(ProgressEvent::create(type, lengthIsComputable, loaded, total))
 {
     ASSERT(m_private.get());
     ASSERT(isProgressEvent());
 }
 
 } // namespace blink