Added RTF support to pepper API.

ppapi/proxy/ppb_flash_clipboard_proxy.cc

 // 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.
 
 #include "ppapi/proxy/ppb_flash_clipboard_proxy.h"
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/private/ppb_flash_clipboard.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/ppapi_messages.h"
@@ skipping 11 matching lines @@
     EnterFlashClipboardNoLock;
 
 bool IsValidClipboardType(PP_Flash_Clipboard_Type clipboard_type) {
   return clipboard_type == PP_FLASH_CLIPBOARD_TYPE_STANDARD ||
          clipboard_type == PP_FLASH_CLIPBOARD_TYPE_SELECTION;
 }
 
 bool IsValidClipboardFormat(PP_Flash_Clipboard_Format format) {
   // Purposely excludes |PP_FLASH_CLIPBOARD_FORMAT_INVALID|.
   return format == PP_FLASH_CLIPBOARD_FORMAT_PLAINTEXT ||
-         format == PP_FLASH_CLIPBOARD_FORMAT_HTML;
+         format == PP_FLASH_CLIPBOARD_FORMAT_HTML ||
+         format == PP_FLASH_CLIPBOARD_FORMAT_RTF;
 }
 
 }  // namespace
 
 PPB_Flash_Clipboard_Proxy::PPB_Flash_Clipboard_Proxy(Dispatcher* dispatcher)
     : InterfaceProxy(dispatcher) {
 }
 
 PPB_Flash_Clipboard_Proxy::~PPB_Flash_Clipboard_Proxy() {
 }
@@ skipping 131 matching lines @@
         formats_array.get(),
         data_items_array);
     DLOG_IF(WARNING, result != PP_OK)
         << "Write to clipboard failed unexpectedly.";
     (void)result;  // Prevent warning in release mode.
   }
 }
 
 }  // namespace proxy
 }  // namespace ppapi