Move flash clipboard to the new proxy and add custom format support

content/renderer/renderer_clipboard_client.h

 // Copyright (c) 2012 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 CONTENT_RENDERER_RENDERER_CLIPBOARD_CLIENT_H_
 #define CONTENT_RENDERER_RENDERER_CLIPBOARD_CLIENT_H_
 
 #include "base/compiler_specific.h"
 #include "webkit/glue/clipboard_client.h"
 
@@ skipping 20 matching lines @@
   virtual void ReadHTML(ui::Clipboard::Buffer buffer, string16* markup,
                         GURL* url, uint32* fragment_start,
                         uint32* fragment_end) OVERRIDE;
   virtual void ReadRTF(ui::Clipboard::Buffer buffer,
                        std::string* result) OVERRIDE;
   virtual void ReadImage(ui::Clipboard::Buffer buffer,
                          std::string* data) OVERRIDE;
   virtual void ReadCustomData(ui::Clipboard::Buffer buffer,
                               const string16& type,
                               string16* data) OVERRIDE;
+  virtual void ReadData(const ui::Clipboard::FormatType& format,
+                        std::string* data) OVERRIDE;
   virtual WriteContext* CreateWriteContext() OVERRIDE;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDERER_CLIPBOARD_CLIENT_H_