Replace the use of an int32* with a proper struct for decoder configuration.

ppapi/proxy/ppapi_messages.h

Index: ppapi/proxy/ppapi_messages.h
diff --git a/ppapi/proxy/ppapi_messages.h b/ppapi/proxy/ppapi_messages.h
index ce50c42423268cc31df1987cd8ae6903cfd213a3..49f8d3c86fbf44cf690205bc7bbb6563aebb4d5b 100644
--- a/ppapi/proxy/ppapi_messages.h
+++ b/ppapi/proxy/ppapi_messages.h
@@ -44,6 +44,8 @@
 
 IPC_ENUM_TRAITS(PP_InputEvent_Type)
 IPC_ENUM_TRAITS(PP_InputEvent_MouseButton)
+IPC_ENUM_TRAITS(PP_VideoDecoderConfig_Dev::Format)
+IPC_ENUM_TRAITS(PP_VideoDecoderConfig_Dev::H264Profile)
 IPC_ENUM_TRAITS(PP_VideoDecodeError_Dev)
 
 IPC_STRUCT_TRAITS_BEGIN(PP_Point)
@@ -89,6 +91,11 @@ IPC_STRUCT_TRAITS_BEGIN(ppapi::proxy::PPPVideoCapture_Buffer)
   IPC_STRUCT_TRAITS_MEMBER(size)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(PP_VideoDecoderConfig_Dev)
+  IPC_STRUCT_TRAITS_MEMBER(format)
+  IPC_STRUCT_TRAITS_MEMBER(h264_profile)
+IPC_STRUCT_TRAITS_END()
+
 IPC_STRUCT_TRAITS_BEGIN(ppapi::Preferences)
   IPC_STRUCT_TRAITS_MEMBER(standard_font_family)
   IPC_STRUCT_TRAITS_MEMBER(fixed_font_family)
@@ -1019,7 +1026,7 @@ IPC_MESSAGE_ROUTED1(PpapiHostMsg_PPBVideoCapture_StopCapture,
 IPC_SYNC_MESSAGE_ROUTED3_1(PpapiHostMsg_PPBVideoDecoder_Create,
                            PP_Instance /* instance */,
                            ppapi::HostResource /* context */,
-                           std::vector<PP_VideoConfigElement> /* config */,
+                           PP_VideoDecoderConfig_Dev /* config */,
                            ppapi::HostResource /* result */)
 IPC_MESSAGE_ROUTED4(PpapiHostMsg_PPBVideoDecoder_Decode,
                     ppapi::HostResource /* video_decoder */,