Modified the flash cipboard interface to add html clipboard support.

ppapi/thunk/ppb_flash_clipboard_api.h

Index: ppapi/thunk/ppb_flash_clipboard_api.h
diff --git a/ppapi/thunk/ppb_flash_clipboard_api.h b/ppapi/thunk/ppb_flash_clipboard_api.h
index c91e6a1decf296526f9a5365f98472174d78f539..4667f8f674acd92f68cfc970adc73436e02b249f 100644
--- a/ppapi/thunk/ppb_flash_clipboard_api.h
+++ b/ppapi/thunk/ppb_flash_clipboard_api.h
@@ -18,11 +18,14 @@ class PPB_Flash_Clipboard_FunctionAPI {
   virtual PP_Bool IsFormatAvailable(PP_Instance instance,
                                     PP_Flash_Clipboard_Type clipboard_type,
                                     PP_Flash_Clipboard_Format format) = 0;
-  virtual PP_Var ReadPlainText(PP_Instance instance,
-                               PP_Flash_Clipboard_Type clipboard_type) = 0;
-  virtual int32_t WritePlainText(PP_Instance instance,
-                                 PP_Flash_Clipboard_Type clipboard_type,
-                                 const PP_Var& text) = 0;
+  virtual PP_Var ReadData(PP_Instance instance,
+                          PP_Flash_Clipboard_Type clipboard_type,
+                          PP_Flash_Clipboard_Format format) = 0;
+  virtual int32_t WriteData(PP_Instance instance,
+                            PP_Flash_Clipboard_Type clipboard_type,
+                            uint32_t data_item_count,
+                            const struct
+                            PP_Flash_Clipboard_Data_Item data_items[]) = 0;
 
   static const ApiID kApiID = API_ID_PPB_FLASH_CLIPBOARD;
 };