HTML MessagePort as mojo::MessagePipeHandle

content/common/content_param_traits.h

Index: content/common/content_param_traits.h
diff --git a/content/common/content_param_traits.h b/content/common/content_param_traits.h
index 5ce29da76453f742a12d1222e7bcc91dda4fff7b..c20b75d1b8abae96f96ba24b020730b8268afc5a 100644
--- a/content/common/content_param_traits.h
+++ b/content/common/content_param_traits.h
@@ -18,6 +18,10 @@
 #include "content/common/cursors/webcursor.h"
 #include "third_party/WebKit/public/platform/WebInputEvent.h"
 
+namespace content {
+class MessagePort;
+}
+
 namespace IPC {
 
 template <>
@@ -47,6 +51,16 @@ struct ParamTraits<WebInputEventPointer> {
   static void Log(const param_type& p, std::string* l);
 };
 
+template <>
+struct CONTENT_EXPORT ParamTraits<content::MessagePort> {
+  typedef content::MessagePort param_type;
+  static void GetSize(base::PickleSizer* sizer, const param_type& p);
+  static void Write(base::Pickle* m, const param_type& p);
+  static bool Read(const base::Pickle* m, base::PickleIterator* iter,
+                   param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
 }  // namespace IPC
 
 #endif  // CONTENT_COMMON_CONTENT_PARAM_TRAITS_H_