arc-bridge: Implement IPC message for app launcher

components/arc/common/arc_message_traits.h

Index: components/arc/common/arc_message_traits.h
diff --git a/ipc/mojo/ipc_mojo_param_traits.h b/components/arc/common/arc_message_traits.h
similarity index 50%
copy from ipc/mojo/ipc_mojo_param_traits.h
copy to components/arc/common/arc_message_traits.h
index f0b8b515b6fbe8dabae1d86c065fb95dca580fac..d394aa7c4ccce958a05c7f7d7340ecb54892b826 100644
--- a/ipc/mojo/ipc_mojo_param_traits.h
+++ b/components/arc/common/arc_message_traits.h
@@ -2,31 +2,23 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef IPC_MOJO_IPC_MOJO_PARAM_TRAITS_H_
-#define IPC_MOJO_IPC_MOJO_PARAM_TRAITS_H_
-
-#include <string>
+#ifndef COMPONENTS_ARC_COMMON_ARC_MESSAGE_TRAITS_H_
+#define COMPONENTS_ARC_COMMON_ARC_MESSAGE_TRAITS_H_
 
+#include "components/arc/common/arc_message_types.h"
 #include "ipc/ipc_export.h"
-#include "ipc/ipc_param_traits.h"
-#include "mojo/public/cpp/system/message_pipe.h"
-
-namespace base {
-class PickleIterator;
-}
+#include "ipc/ipc_message_utils.h"
 
 namespace IPC {
 
-class Message;
-
 template <>
-struct IPC_MOJO_EXPORT ParamTraits<mojo::MessagePipeHandle> {
-  typedef mojo::MessagePipeHandle param_type;
+struct IPC_EXPORT ParamTraits<arc::AppInfo> {

[hidehiko, 2015/11/26 03:47:22]

IPC_STRUCT_TRAITS_* family is your friend.

https://code.google.com/p/chromium/codesearch#chromium/src/ipc/param_traits_m...

+  typedef arc::AppInfo param_type;
   static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, base::PickleIterator* iter, param_type* r);
+  static bool Read(const Message* m, base::PickleIterator* iter, param_type* p);
   static void Log(const param_type& p, std::string* l);
 };
 
 }  // namespace IPC
 
-#endif  // IPC_MOJO_IPC_MOJO_PARAM_TRAITS_H_
+#endif  // COMPONENTS_ARC_COMMON_ARC_MESSAGE_TRAITS_H_