Convert most remaining resources to use the API/thunk system. The significant

webkit/plugins/ppapi/ppb_proxy_impl.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 "webkit/plugins/ppapi/ppb_proxy_impl.h"
 
 #include "ppapi/c/private/ppb_proxy_private.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppb_image_data_api.h"
 #include "webkit/plugins/ppapi/plugin_module.h"
 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 #include "webkit/plugins/ppapi/ppb_url_loader_impl.h"
 #include "webkit/plugins/ppapi/resource.h"
 #include "webkit/plugins/ppapi/resource_tracker.h"
 
+using ppapi::thunk::EnterResource;
+using ppapi::thunk::PPB_URLLoader_API;
+
 namespace webkit {
 namespace ppapi {
 
 namespace {
 
 void PluginCrashed(PP_Module module) {
   PluginModule* plugin_module = ResourceTracker::Get()->GetModule(module);
   if (plugin_module)
     plugin_module->PluginCrashed();
 }
 
 PP_Instance GetInstanceForResource(PP_Resource resource) {
   scoped_refptr<Resource> obj(ResourceTracker::Get()->GetResource(resource));
   if (!obj)
     return 0;
   return obj->instance()->pp_instance();
 }
 
 void SetReserveInstanceIDCallback(PP_Module module,
                                   PP_Bool (*reserve)(PP_Module, PP_Instance)) {
   PluginModule* plugin_module = ResourceTracker::Get()->GetModule(module);
   if (plugin_module)
     plugin_module->SetReserveInstanceIDCallback(reserve);
 }
 
 int32_t GetURLLoaderBufferedBytes(PP_Resource url_loader) {
- scoped_refptr<PPB_URLLoader_Impl> loader(
-      Resource::GetAs<PPB_URLLoader_Impl>(url_loader));
-  if (!loader)
-    return 0;
-  return loader->buffer_size();
+  EnterResource<PPB_URLLoader_API> enter(url_loader, true);
+  if (enter.succeeded())
+    return static_cast<PPB_URLLoader_Impl*>(enter.object())->buffer_size();
+  return 0;
 }
 
 void AddRefModule(PP_Module module) {
   PluginModule* plugin_module = ResourceTracker::Get()->GetModule(module);
   if (plugin_module)
     plugin_module->AddRef();
 }
 
 void ReleaseModule(PP_Module module) {
   PluginModule* plugin_module = ResourceTracker::Get()->GetModule(module);
@@ skipping 12 matching lines @@
 
 }  // namespace
 
 // static
 const PPB_Proxy_Private* PPB_Proxy_Impl::GetInterface() {
   return &ppb_proxy;
 }
 
 }  // namespace ppapi
 }  // namespace webkit