Cleanup namespace usage in public/web/Web[N-Z]*.h.

public/web/WebServiceWorkerNetworkProvider.h

 /*
  * Copyright (C) 2014 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 26 matching lines @@
 class WebURLRequest;
 
 // This interface is implemented by the client and is only called on the main thread.
 class WebServiceWorkerNetworkProvider {
 public:
     virtual ~WebServiceWorkerNetworkProvider() { }
 
     // A request is about to be sent out, and the client may modify it. Request
     // is writable, and changes to the URL, for example, will change the request
     // made.
-    virtual void willSendRequest(blink::WebDataSource*, blink::WebURLRequest&) { }
+    virtual void willSendRequest(WebDataSource*, WebURLRequest&) { }
 };
 
 } // namespace blink
 
 #endif // WebServiceWorkerNetworkProvider_h