HostResolver is exposed to plugin.

content/ppapi_plugin/ppapi_thread.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 "content/ppapi_plugin/ppapi_thread.h"
 
 #include <limits>
 
 #include "base/command_line.h"
 #include "base/process_util.h"
@@ skipping 79 matching lines @@
     IPC_MESSAGE_HANDLER_GENERIC(PpapiMsg_PPBTCPSocket_ReadACK,
                                 OnPluginDispatcherMessageReceived(msg))
     IPC_MESSAGE_HANDLER_GENERIC(PpapiMsg_PPBTCPSocket_WriteACK,
                                 OnPluginDispatcherMessageReceived(msg))
     IPC_MESSAGE_HANDLER_GENERIC(PpapiMsg_PPBUDPSocket_RecvFromACK,
                                 OnPluginDispatcherMessageReceived(msg))
     IPC_MESSAGE_HANDLER_GENERIC(PpapiMsg_PPBUDPSocket_SendToACK,
                                 OnPluginDispatcherMessageReceived(msg))
     IPC_MESSAGE_HANDLER_GENERIC(PpapiMsg_PPBUDPSocket_BindACK,
                                 OnPluginDispatcherMessageReceived(msg))
+    IPC_MESSAGE_HANDLER_GENERIC(PpapiMsg_PPBHostResolver_ResolveACK,
+                                OnPluginDispatcherMessageReceived(msg))
     IPC_MESSAGE_HANDLER(PpapiMsg_SetNetworkState, OnMsgSetNetworkState)
   IPC_END_MESSAGE_MAP()
   return true;
 }
 
 base::MessageLoopProxy* PpapiThread::GetIPCMessageLoop() {
   return ChildProcess::current()->io_message_loop_proxy();
 }
 
 base::WaitableEvent* PpapiThread::GetShutdownEvent() {
@@ skipping 203 matching lines @@
 
   // From here, the dispatcher will manage its own lifetime according to the
   // lifetime of the attached channel.
   return true;
 }
 
 void PpapiThread::SavePluginName(const FilePath& path) {
   ppapi::proxy::PluginGlobals::Get()->set_plugin_name(
       path.BaseName().AsUTF8Unsafe());
 }