Cleanup namespace usage from animation to exported in platform/

Source/platform/exported/WebURLError.cpp

 /*
  * Copyright (C) 2009 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 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "public/platform/WebURLError.h"
 
 #include "platform/network/ResourceError.h"
 #include "platform/weborigin/KURL.h"
 #include "wtf/text/CString.h"
 
-using namespace blink;
-
 namespace blink {
 
 WebURLError::WebURLError(const ResourceError& error)
 {
     *this = error;
 }
 
 WebURLError& WebURLError::operator=(const ResourceError& error)
 {
     if (error.isNull()) {
@@ skipping 14 matching lines @@
     if (!reason)
         return ResourceError();
     CString spec = unreachableURL.spec();
     ResourceError resourceError = ResourceError(domain, reason, String::fromUTF8(spec.data(), spec.length()), localizedDescription);
     resourceError.setIsCancellation(isCancellation);
     resourceError.setStaleCopyInCache(staleCopyInCache);
     return resourceError;
 }
 
 } // namespace blink