Remove duplicated headers

Source/web/tests/FrameTestHelpers.cpp

 /*
  * Copyright (C) 2011 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 19 matching lines @@
 
 #include "config.h"
 #include "FrameTestHelpers.h"
 
 #include "URLTestHelpers.h"
 #include "wtf/StdLibExtras.h"
 #include "WebFrameClient.h"
 #include "WebFrameImpl.h"
 #include "WebSettings.h"
 #include "WebViewClient.h"
-#include "WebViewImpl.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebString.h"
 #include "public/platform/WebThread.h"
 #include "public/platform/WebURLRequest.h"
 #include "public/platform/WebURLResponse.h"
 #include "public/platform/WebUnitTestSupport.h"
 
 namespace blink {
 namespace FrameTestHelpers {
 
@@ skipping 97 matching lines @@
         m_webView = 0;
     }
     if (m_mainFrame) {
         m_mainFrame->close();
         m_mainFrame = 0;
     }
 }
 
 } // namespace FrameTestHelpers
 } // namespace blink