Reapplies r55735, fixing some message code that was checked in that I collided with.

ipc/ipc_message_utils_impl.h

Index: ipc/ipc_message_utils_impl.h
diff --git a/ipc/ipc_message_utils_impl.h b/ipc/ipc_message_utils_impl.h
index ba11990f97633c153afe2f85ca2181713b7890e3..53c798645c8cd17cc5ea5c09f6e1200367a56130 100644
--- a/ipc/ipc_message_utils_impl.h
+++ b/ipc/ipc_message_utils_impl.h
@@ -25,6 +25,19 @@ MessageWithTuple<ParamType>::MessageWithTuple(
 // subclass needs to have Log() to call Read(), which instantiates the above
 // template.
 
+template <class SendParamType, class ReplyParamType>
+MessageWithReply<SendParamType, ReplyParamType>::MessageWithReply(
+    int32 routing_id, uint32 type,
+    const RefSendParam& send,
+    const ReplyParam& reply)
+    : SyncMessage(routing_id, type, PRIORITY_NORMAL,
+                  new ParamDeserializer<ReplyParam>(reply)) {
+  WriteParam(this, send);
+}
+
+// TODO(erg): Migrate ReadSendParam()/ReadReplyParam() here when we can force
+// the visibility/linkage.
+
 }  // namespace IPC
 
 #endif  // IPC_IPC_MESSAGE_UTILS_IMPL_H_