[PPAPI] Compositor API implementation

ppapi/proxy/ppapi_param_traits.h

Index: ppapi/proxy/ppapi_param_traits.h
diff --git a/ppapi/proxy/ppapi_param_traits.h b/ppapi/proxy/ppapi_param_traits.h
index 96ff11c9618f22ebb913c4dded11851a9cfde2c7..bec8034f8100ba11230e922693f320de29387c44 100644
--- a/ppapi/proxy/ppapi_param_traits.h
+++ b/ppapi/proxy/ppapi_param_traits.h
@@ -14,6 +14,7 @@
 #include "ppapi/c/pp_rect.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/proxy/ppapi_proxy_export.h"
+#include "ppapi/shared_impl/compositor_layer_data.h"
 #include "ppapi/shared_impl/file_path.h"
 #include "ppapi/shared_impl/file_ref_create_info.h"
 #include "ppapi/shared_impl/media_stream_video_track_shared.h"
@@ -177,6 +178,22 @@ struct PPAPI_PROXY_EXPORT ParamTraits<ppapi::SocketOptionData> {
   static void Log(const param_type& p, std::string* l);
 };
 
+template<>
+struct PPAPI_PROXY_EXPORT ParamTraits<ppapi::CompositorLayerData::Mailbox> {
+  typedef ppapi::CompositorLayerData::Mailbox param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
+template<>
+struct PPAPI_PROXY_EXPORT ParamTraits<ppapi::CompositorLayerData> {
+  typedef ppapi::CompositorLayerData param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
 }  // namespace IPC
 
 #endif  // PPAPI_PROXY_PPAPI_PARAM_TRAITS_H_