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

Source/web/MIDIClientProxy.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 24 matching lines @@
 #include "public/web/WebMIDIClient.h"
 #include "public/web/WebMIDIPermissionRequest.h"
 
 namespace blink {
 
 MIDIClientProxy::MIDIClientProxy(WebMIDIClient* client)
     : m_client(client)
 {
 }
 
-void MIDIClientProxy::requestSysexPermission(blink::MIDIAccessInitializer* initializer)
+void MIDIClientProxy::requestSysexPermission(MIDIAccessInitializer* initializer)
 {
     if (m_client)
         m_client->requestSysexPermission(WebMIDIPermissionRequest(initializer));
     else
         initializer->setSysexEnabled(false);
 }
 
-void MIDIClientProxy::cancelSysexPermissionRequest(blink::MIDIAccessInitializer* initializer)
+void MIDIClientProxy::cancelSysexPermissionRequest(MIDIAccessInitializer* initializer)
 {
     if (m_client)
         m_client->cancelSysexPermissionRequest(WebMIDIPermissionRequest(initializer));
 }
 
 } // namespace blink