Update refernces to Blink's Platform API (webkit)

webkit/glue/webclipboard_impl.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WEBCLIPBOARD_IMPL_H_
 #define WEBCLIPBOARD_IMPL_H_
 
 #include "base/compiler_specific.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebClipboard.h"
+#include "third_party/WebKit/public/platform/WebClipboard.h"
 #include "ui/base/clipboard/clipboard.h"
 #include "webkit/glue/webkit_glue_export.h"
 
 #include <string>
 
 namespace webkit_glue {
 class ClipboardClient;
 
 class WEBKIT_GLUE_EXPORT WebClipboardImpl :
     NON_EXPORTED_BASE(public WebKit::WebClipboard) {
@@ skipping 38 matching lines @@
   virtual void writeDataObject(const WebKit::WebDragData& data);
 
  private:
   bool ConvertBufferType(Buffer, ui::Clipboard::Buffer*);
   ClipboardClient* client_;
 };
 
 }  // namespace webkit_glue
 
 #endif  // WEBCLIPBOARD_IMPL_H_