Cleanup namespace usage in public/web/Web[A-M]*.h.

public/web/WebMediaDevicesRequest.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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 14 matching lines @@
 
 #ifndef WebMediaDevicesRequest_h
 #define WebMediaDevicesRequest_h
 
 #include "WebSecurityOrigin.h"
 #include "public/platform/WebCommon.h"
 #include "public/platform/WebPrivatePtr.h"
 #include "public/platform/WebString.h"
 
 namespace blink {
+
 class MediaDevicesRequest;
-}
-
-namespace blink {
 class WebDocument;
 class WebMediaDeviceInfo;
 template <typename T> class WebVector;
 
 class WebMediaDevicesRequest {
 public:
     WebMediaDevicesRequest() { }
     WebMediaDevicesRequest(const WebMediaDevicesRequest& request) { assign(request); }
     ~WebMediaDevicesRequest() { reset(); }
 
     WebMediaDevicesRequest& operator=(const WebMediaDevicesRequest& other)
     {
         assign(other);
         return *this;
     }
 
     BLINK_EXPORT void reset();
     bool isNull() const { return m_private.isNull(); }
     BLINK_EXPORT bool equals(const WebMediaDevicesRequest&) const;
     BLINK_EXPORT void assign(const WebMediaDevicesRequest&);
 
     BLINK_EXPORT WebSecurityOrigin securityOrigin() const;
     BLINK_EXPORT WebDocument ownerDocument() const;
 
     BLINK_EXPORT void requestSucceeded(WebVector<WebMediaDeviceInfo>);
 
 #if BLINK_IMPLEMENTATION
-    WebMediaDevicesRequest(blink::MediaDevicesRequest*);
-    operator blink::MediaDevicesRequest*() const;
+    WebMediaDevicesRequest(MediaDevicesRequest*);
+    operator MediaDevicesRequest*() const;
 #endif
 
 private:
-    WebPrivatePtr<blink::MediaDevicesRequest> m_private;
+    WebPrivatePtr<MediaDevicesRequest> m_private;
 };
 
 inline bool operator==(const WebMediaDevicesRequest& a, const WebMediaDevicesRequest& b)
 {
     return a.equals(b);
 }
 
 } // namespace blink
 
 #endif // WebMediaDevicesRequest_h