Move host resource from the proxy to the shared_impl.

ppapi/proxy/ppb_input_event_proxy.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 "ppapi/proxy/ppb_input_event_proxy.h"
 
 #include "ppapi/c/ppb_audio_config.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_resource.h"
 #include "ppapi/proxy/plugin_var_tracker.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/shared_impl/input_event_impl.h"
 #include "ppapi/shared_impl/var.h"
 #include "ppapi/thunk/thunk.h"
 
+using ppapi::HostResource;
 using ppapi::InputEventData;
 using ppapi::InputEventImpl;
 using ppapi::thunk::PPB_InputEvent_API;
 
 namespace pp {
 namespace proxy {
 
 // The implementation is actually in InputEventImpl.
 class InputEvent : public PluginResource, public InputEventImpl {
  public:
@@ skipping 100 matching lines @@
 }
 
 bool PPB_InputEvent_Proxy::OnMessageReceived(const IPC::Message& msg) {
   // There are no IPC messages for this interface.
   NOTREACHED();
   return false;
 }
 
 }  // namespace proxy
 }  // namespace pp