Cleanup blink:: prefix usage in Source/core/modules/[mediasource/*.cpp to websockets/*.cpp]

Source/modules/serviceworkers/ServiceWorkerError.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 "ServiceWorkerError.h"
 
 #include "core/dom/ExceptionCode.h"
 
 using blink::WebServiceWorkerError;
+
 namespace blink {
 
 // static
 PassRefPtrWillBeRawPtr<DOMException> ServiceWorkerError::take(ScriptPromiseResolver*, WebType* webErrorRaw)
 {
     OwnPtr<WebType> webError = adoptPtr(webErrorRaw);
     switch (webError->errorType) {
     case WebServiceWorkerError::ErrorTypeDisabled:
         return DOMException::create(NotSupportedError, "Service Worker support is disabled.");
     case WebServiceWorkerError::ErrorTypeAbort:
@@ skipping 16 matching lines @@
     return DOMException::create(UnknownError);
 }
 
 // static
 void ServiceWorkerError::dispose(WebType* webErrorRaw)
 {
     delete webErrorRaw;
 }
 
 } // namespace blink