Add PPAPI tests for VideoSource and VideoDestination resources.

ppapi/proxy/video_source_resource.h

Index: ppapi/proxy/video_source_resource.h
diff --git a/ppapi/proxy/video_source_resource.h b/ppapi/proxy/video_source_resource.h
index 641a723ea9af398287e1d6bd583d1b3d8d920ffd..ae948d787d2b91445a1e0aa4b28a09998e0adc46 100644
--- a/ppapi/proxy/video_source_resource.h
+++ b/ppapi/proxy/video_source_resource.h
@@ -45,11 +45,13 @@ class PPAPI_PROXY_EXPORT VideoSourceResource
 
  private:
   void OnPluginMsgOpenComplete(
-      const ResourceMessageReplyParams& params);
+      const ResourceMessageReplyParams& reply_params);
   void OnPluginMsgGetFrameComplete(
       PP_VideoFrame_Private* frame,
-      const ResourceMessageReplyParams& params,
+      const ResourceMessageReplyParams& reply_params,
       const HostResource& image_data,
+      const std::string& image_desc_data,
+      int fd,
       PP_TimeTicks timestamp);
 
   scoped_refptr<TrackedCallback> open_callback_;