Convert the async device ID getter to a chrome resource host

content/renderer/pepper/renderer_ppapi_host_impl.h

 // 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.
 
 #ifndef CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/renderer/renderer_ppapi_host.h"
@@ skipping 84 matching lines @@
   // and validates that it is one of the instances associated with our module.
   // Returns NULL on failure.
   //
   // We use this to security check the PP_Instance values sent from a plugin to
   // make sure it's not trying to spoof another instance.
   webkit::ppapi::PluginInstance* GetAndValidateInstance(
       PP_Instance instance) const;
 
   webkit::ppapi::PluginModule* module_;  // Non-owning pointer.
 
-  ContentRendererPepperHostFactory host_factory_;
   scoped_ptr<ppapi::host::PpapiHost> ppapi_host_;
 
   // Null when running out-of-process.
   scoped_ptr<PepperInProcessRouter> in_process_router_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererPpapiHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_