Pass error messages from native messaging to web-app.

remoting/host/it2me/it2me_native_messaging_host.cc

 // Copyright 2013 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.
 
 #include "remoting/host/it2me/it2me_native_messaging_host.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 97 matching lines @@
   } else if (type == "disconnect") {
     ProcessDisconnect(*message_dict, response.Pass());
   } else {
     SendErrorAndExit(response.Pass(), "Unsupported request type: " + type);
   }
 }
 
 void It2MeNativeMessagingHost::Start(Client* client) {
   DCHECK(task_runner()->BelongsToCurrentThread());
   client_ = client;
+  log_message_handler_.reset(

[Sergey Ulanov, 2015/08/16 23:22:02]

This should be disabled on ChromeOS. We don't want to log all messages from the
browser process.

[Jamie, 2015/08/17 17:32:23]

Done.

+      new LogMessageHandler(
+          base::Bind(&It2MeNativeMessagingHost::SendMessageToClient,
+                     base::Unretained(this))));
 }
 
 void It2MeNativeMessagingHost::SendMessageToClient(
-    scoped_ptr<base::DictionaryValue> message) const {
+    scoped_ptr<base::Value> message) const {
   DCHECK(task_runner()->BelongsToCurrentThread());
   std::string message_json;
   base::JSONWriter::Write(*message, &message_json);
   client_->PostMessageFromNativeHost(message_json);
 }
 
 void It2MeNativeMessagingHost::ProcessHello(
     const base::DictionaryValue& message,
     scoped_ptr<base::DictionaryValue> response) const {
   DCHECK(task_runner()->BelongsToCurrentThread());
@@ skipping 187 matching lines @@
   return host_context_->ui_task_runner();
 }
 
 /* static */
 std::string It2MeNativeMessagingHost::HostStateToString(
     It2MeHostState host_state) {
   return ValueToName(kIt2MeHostStates, host_state);
 }
 
 }  // namespace remoting