Remove webkit::ppapi::Resource.

webkit/plugins/ppapi/resource.cc

-// Copyright (c) 2010 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/resource.h"
-
-#include "base/logging.h"
-#include "webkit/plugins/ppapi/callbacks.h"
-#include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
-#include "webkit/plugins/ppapi/plugin_module.h"
-#include "webkit/plugins/ppapi/resource_tracker.h"
-
-namespace webkit {
-namespace ppapi {
-
-Resource::Resource(PluginInstance* instance)
-    : ::ppapi::Resource(instance->pp_instance()),
-      instance_(instance) {
-}
-
-Resource::~Resource() {
-}
-
-PP_Resource Resource::GetReference() {
-  ResourceTracker* tracker = ResourceTracker::Get();
-  tracker->AddRefResource(pp_resource());
-  return pp_resource();
-}
-
-void Resource::LastPluginRefWasDeleted() {
-  instance()->module()->GetCallbackTracker()->PostAbortForResource(
-      pp_resource());
-}
-
-void Resource::InstanceWasDeleted() {
-  ::ppapi::Resource::InstanceWasDeleted();
-  instance_ = NULL;
-}
-
-}  // namespace ppapi
-}  // namespace webkit
-