Pepper: Add a function to PPB_Flash to check if a rect is topmost.

ppapi/proxy/ppb_flash_proxy.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 PPAPI_PROXY_PPB_FLASH_PROXY_H_
 #define PPAPI_PROXY_PPB_FLASH_PROXY_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 16 matching lines @@
 class SerializedVarReturnValue;
 
 class PPB_Flash_Proxy : public InterfaceProxy {
  public:
   explicit PPB_Flash_Proxy(Dispatcher* dispatcher);
   virtual ~PPB_Flash_Proxy();
 
   // Returns the corresponding version of the Flash interface pointer.
   static const PPB_Flash_11* GetInterface11();
   static const PPB_Flash_12_0* GetInterface12_0();
+  static const PPB_Flash_12_1* GetInterface12_1();
 
   // InterfaceProxy implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg);
 
  private:
   // Message handlers.
   void OnMsgSetInstanceAlwaysOnTop(PP_Instance instance,
                                    PP_Bool on_top);
   void OnMsgDrawGlyphs(const PPBFlash_DrawGlyphs_Params& params,
                        PP_Bool* result);
   void OnMsgGetProxyForURL(PP_Instance instance,
                            const std::string& url,
                            SerializedVarReturnValue result);
   void OnMsgNavigate(PP_Instance instance,
                      const PPB_URLRequestInfo_Data& data,
                      const std::string& target,
                      PP_Bool from_user_action,
                      int32_t* result);
   void OnMsgRunMessageLoop(PP_Instance instance);
   void OnMsgQuitMessageLoop(PP_Instance instance);
   void OnMsgGetLocalTimeZoneOffset(PP_Instance instance, PP_Time t,
                                    double* result);
+  void OnMsgIsRectTopmost(PP_Instance instance,
+                          PP_Rect rect,
+                          PP_Bool* result);
 
   // When this proxy is in the host side, this value caches the interface
   // pointer so we don't have to retrieve it from the dispatcher each time.
   // In the plugin, this value is always NULL.
   const PPB_Flash* ppb_flash_impl_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_Flash_Proxy);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_PPB_FLASH_PROXY_H_