HTML MessagePort as mojo::MessagePipeHandle

content/public/common/common_param_traits.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.
 
 // This file is used to define IPC::ParamTraits<> specializations for a number
 // of types so that they can be serialized over IPC.  IPC::ParamTraits<>
 // specializations for basic types (like int and std::string) and types in the
 // 'base' project can be found in ipc/ipc_message_utils.h.  This file contains
 // specializations for types that are used by the content code, and which need
 // manual serialization code.  This is usually because they're not structs with
@@ skipping 15 matching lines @@
 #include "ui/gfx/native_widget_types.h"
 #include "ui/surface/transport_dib.h"
 #include "url/ipc/url_param_traits.h"
 #include "url/origin.h"
 
 #if defined(OS_WIN)
 #include "base/win/win_util.h"
 #endif
 
 namespace content {
+class MessagePort;
 class PageState;
 }
 
 namespace net {
 class HostPortPair;
 class IPAddress;
 class IPEndPoint;
 }
 
 namespace IPC {
@@ skipping 36 matching lines @@
   typedef net::IPAddress param_type;
   static void GetSize(base::PickleSizer* s, 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* p);
   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);
+};
+
+template <>
 struct CONTENT_EXPORT ParamTraits<content::PageState> {
   typedef content::PageState param_type;
   static void GetSize(base::PickleSizer* s, 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* p);
   static void Log(const param_type& p, std::string* l);
 };
 
@@ skipping 26 matching lines @@
 #endif
   }
   static void Log(const param_type& p, std::string* l) {
     l->append("<gfx::NativeWindow>");
   }
 };
 
 }  // namespace IPC
 
 #endif  // CONTENT_PUBLIC_COMMON_COMMON_PARAM_TRAITS_H_