Rename IPC Sender and Listener in ppapi, content/public, and content/renderer

ppapi/proxy/plugin_message_filter.h

 // 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.
 
 #ifndef PPAPI_PROXY_PLUGIN_MESSAGE_FILTER_H_
 #define PPAPI_PROXY_PLUGIN_MESSAGE_FILTER_H_
 
 #include <set>
 
+#include "base/compiler_specific.h"
 #include "ipc/ipc_channel_proxy.h"
-#include "ipc/ipc_message.h"
+#include "ipc/ipc_sender.h"
 #include "ppapi/c/pp_instance.h"
 
 namespace ppapi {
 namespace proxy {
 
 // Listens for messages on the I/O thread of the plugin and handles some of
 // them to avoid needing to block on the plugin.
 //
 // There is one instance of this class for each renderer channel (same as for
 // the PluginDispatchers).
 class PluginMessageFilter : public IPC::ChannelProxy::MessageFilter,
-                            public IPC::Message::Sender {
+                            public IPC::Sender {
  public:
   // The input is a pointer to a set that will be used to uniquify PP_Instances
   // across all renderer channels. The same pointer should be passed to each
   // MessageFilter to ensure uniqueness, and the value should outlive this
   // class.
   PluginMessageFilter(std::set<PP_Instance>* seen_instance_ids);
   virtual ~PluginMessageFilter();
 
   // MessageFilter implementation.
-  virtual void OnFilterAdded(IPC::Channel* channel);
-  virtual void OnFilterRemoved();
-  virtual bool OnMessageReceived(const IPC::Message& message);
+  virtual void OnFilterAdded(IPC::Channel* channel) OVERRIDE;
+  virtual void OnFilterRemoved() OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
-  // Message::Sender implementation.
-  virtual bool Send(IPC::Message* msg);
+  // IPC::Sender implementation.
+  virtual bool Send(IPC::Message* msg) OVERRIDE;
 
  private:
   void OnMsgReserveInstanceId(PP_Instance instance, bool* usable);
 
   // All instance IDs every queried by any renderer on this plugin. This is
   // used to make sure that new instance IDs are unique. This is a non-owning
   // pointer, it will be managed by the later that creates this class.
   std::set<PP_Instance>* seen_instance_ids_;
 
   // The IPC channel to the renderer. May be NULL if we're not currently
   // attached as a filter.
   IPC::Channel* channel_;
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_PLUGIN_MESSAGE_FILTER_H_