Added JsonMessage to the control channel.

remoting/proto/control.proto

 // 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.
 //
 // Protocol for control messages.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
 
@@ skipping 48 matching lines @@
   optional string client_name = 1;
 }
 
 message PairingResponse {
   // Unique identifier for this client.
   optional string client_id = 1;
 
   // Shared secret for this client.
   optional string shared_secret = 2;
 }
+
+message JsonMessage {
+  // The message type.

[Wez, 2013/08/09 21:25:48]

Explain what this is actually used for.

[Jamie, 2013/08/09 21:39:06]

Done.

+  optional string type = 1;
+  // JSON-encoded message.
+  optional string json = 2;
+}