Update references to the extension messaging APIs to point to the "runtime"

chrome/browser/extensions/api/messaging/message_service.cc

 // 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.
 
 #include "chrome/browser/extensions/api/messaging/message_service.h"
 
 #include "base/atomic_sequence_num.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/json/json_writer.h"
@@ skipping 193 matching lines @@
     scoped_ptr<DictionaryValue> tab_value(ExtensionTabUtil::CreateTabValue(
         source_contents, ExtensionTabUtil::INCLUDE_PRIVACY_SENSITIVE_FIELDS));
     base::JSONWriter::Write(tab_value.get(), &tab_json);
   }
 
   scoped_ptr<MessageChannel> channel(new MessageChannel());
   channel->opener.reset(new ExtensionMessagePort(source, MSG_ROUTING_CONTROL,
                                                  source_extension_id));
 
   NativeMessageProcessHost::MessageType type =
-      channel_name == "chrome.extension.sendNativeMessage" ?
+      channel_name == "chrome.runtime.sendNativeMessage" ?
       NativeMessageProcessHost::TYPE_SEND_MESSAGE_REQUEST :
       NativeMessageProcessHost::TYPE_CONNECT;
 
   content::BrowserThread::PostTask(
       content::BrowserThread::FILE,
       FROM_HERE,
       base::Bind(&NativeMessageProcessHost::Create,
                  base::WeakPtr<NativeMessageProcessHost::Client>(
                     weak_factory_.GetWeakPtr()),
                  native_app_name, connect_message, receiver_port_id,
@@ skipping 275 matching lines @@
     return;
 
   params->source = source;
   params->receiver.reset(new ExtensionMessagePort(host->render_process_host(),
                                                   MSG_ROUTING_CONTROL,
                                                   params->target_extension_id));
   OpenChannelImpl(params.Pass());
 }
 
 }  // namespace extensions