Convert the async device ID getter to a chrome resource host

content/renderer/pepper/renderer_ppapi_host_impl.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/renderer/pepper/renderer_ppapi_host_impl.h"
 
 #include "base/logging.h"
 #include "content/renderer/pepper/pepper_in_process_resource_creation.h"
 #include "content/renderer/pepper/pepper_in_process_router.h"
 #include "content/renderer/pepper/pepper_plugin_delegate_impl.h"
 #include "content/renderer/render_view_impl.h"
 #include "ppapi/proxy/host_dispatcher.h"
 #include "webkit/plugins/ppapi/host_globals.h"
 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 
 using webkit::ppapi::HostGlobals;
 using webkit::ppapi::PluginInstance;
 
 namespace content {
 
 // Out-of-process constructor.
 RendererPpapiHostImpl::RendererPpapiHostImpl(
     webkit::ppapi::PluginModule* module,
     ppapi::proxy::HostDispatcher* dispatcher,
     const ppapi::PpapiPermissions& permissions)
-    : module_(module),
-      host_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
+    : module_(module) {
   // Hook the PpapiHost up to the dispatcher for out-of-process communication.
   ppapi_host_.reset(
-      new ppapi::host::PpapiHost(dispatcher, &host_factory_, permissions));
+      new ppapi::host::PpapiHost(dispatcher, permissions));
+  ppapi_host_->AddHostFactoryFilter(scoped_ptr<ppapi::host::HostFactory>(
+      new ContentRendererPepperHostFactory(this)));
   dispatcher->AddFilter(ppapi_host_.get());
 }
 
 // In-process constructor.
 RendererPpapiHostImpl::RendererPpapiHostImpl(
     webkit::ppapi::PluginModule* module,
     const ppapi::PpapiPermissions& permissions)
-    : module_(module),
-      host_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
+    : module_(module) {
   // Hook the host up to the in-process router.
   in_process_router_.reset(new PepperInProcessRouter(this));
   ppapi_host_.reset(new ppapi::host::PpapiHost(
-      in_process_router_->GetRendererToPluginSender(),
-      &host_factory_, permissions));
+      in_process_router_->GetRendererToPluginSender(), permissions));
+  ppapi_host_->AddHostFactoryFilter(scoped_ptr<ppapi::host::HostFactory>(
+      new ContentRendererPepperHostFactory(this)));
 }
 
 RendererPpapiHostImpl::~RendererPpapiHostImpl() {
 }
 
 // static
 RendererPpapiHostImpl* RendererPpapiHostImpl::CreateOnModuleForOutOfProcess(
     webkit::ppapi::PluginModule* module,
     ppapi::proxy::HostDispatcher* dispatcher,
     const ppapi::PpapiPermissions& permissions) {
@@ skipping 66 matching lines @@
     PP_Instance pp_instance) const {
   PluginInstance* instance = HostGlobals::Get()->GetInstance(pp_instance);
   if (!instance)
     return NULL;
   if (instance->module() != module_)
     return NULL;
   return instance;
 }
 
 }  // namespace content