Use IPC::Sender and IPC::Listener in content.

content/common/npobject_stub.cc

 // Copyright (c) 2011 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/common/npobject_stub.h"
 
 #include "base/command_line.h"
 #include "content/common/np_channel_base.h"
 #include "content/common/npobject_util.h"
 #include "content/common/plugin_messages.h"
@@ skipping 47 matching lines @@
 }
 
 bool NPObjectStub::Send(IPC::Message* msg) {
   return channel_->Send(msg);
 }
 
 NPObject* NPObjectStub::GetUnderlyingNPObject() {
   return npobject_;
 }
 
-IPC::Channel::Listener* NPObjectStub::GetChannelListener() {
-  return static_cast<IPC::Channel::Listener*>(this);
+IPC::Listener* NPObjectStub::GetChannelListener() {
+  return static_cast<IPC::Listener*>(this);
 }
 
 bool NPObjectStub::OnMessageReceived(const IPC::Message& msg) {
   content::GetContentClient()->SetActiveURL(page_url_);
   if (!npobject_) {
     if (msg.is_sync()) {
       // The object could be garbage because the frame has gone away, so
       // just send an error reply to the caller.
       IPC::Message* reply = IPC::SyncMessage::GenerateReply(&msg);
       reply->set_reply_error();
@@ skipping 311 matching lines @@
 
   bool return_value = WebBindings::evaluateHelper(0, popups_allowed, npobject_,
                                                   &script_string, &result_var);
 
   NPVariant_Param result_param;
   CreateNPVariantParam(
       result_var, channel_, &result_param, true, containing_window_, page_url_);
   NPObjectMsg_Evaluate::WriteReplyParams(reply_msg, result_param, return_value);
   channel_->Send(reply_msg);
 }