Remove webkit::ppapi::Resource.

ppapi/shared_impl/scoped_pp_resource.cc

Index: ppapi/shared_impl/scoped_pp_resource.cc
diff --git a/ppapi/shared_impl/scoped_pp_resource.cc b/ppapi/shared_impl/scoped_pp_resource.cc
new file mode 100644
index 0000000000000000000000000000000000000000..fef5489813b099bdd5cd4e8aaf35c0af1a12ac32
--- /dev/null
+++ b/ppapi/shared_impl/scoped_pp_resource.cc
@@ -0,0 +1,71 @@
+// 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/shared_impl/scoped_pp_resource.h"
+
+#include "ppapi/shared_impl/resource.h"
+#include "ppapi/shared_impl/resource_tracker.h"
+#include "ppapi/shared_impl/tracker_base.h"
+
+namespace ppapi {
+
+ScopedPPResource::ScopedPPResource() : id_(0) {
+}
+
+ScopedPPResource::ScopedPPResource(PP_Resource resource) : id_(resource) {
+  CallAddRef();
+}
+
+ScopedPPResource::ScopedPPResource(Resource* resource)
+    : id_(resource ? resource->GetReference() : 0) {
+  // GetReference AddRef's for us.
+}
+
+ScopedPPResource::ScopedPPResource(const ScopedPPResource& other)
+    : id_(other.id_) {
+  CallAddRef();
+}
+
+ScopedPPResource::~ScopedPPResource() {
+  CallRelease();
+}
+
+ScopedPPResource& ScopedPPResource::operator=(PP_Resource resource) {
+  if (id_ == resource)
+    return *this;  // Be careful about self-assignment.
+  CallRelease();
+  id_ = resource;
+  CallAddRef();
+  return *this;
+}
+
+ScopedPPResource& ScopedPPResource::operator=(
+    const ScopedPPResource& resource) {
+  if (id_ == resource.id_)
+    return *this;  // Be careful about self-assignment.
+  CallRelease();
+  id_ = resource.id_;
+  CallAddRef();
+  return *this;
+}
+
+PP_Resource ScopedPPResource::Release() {
+  CallRelease();
+
+  PP_Resource ret = id_;
+  id_ = NULL;
+  return ret;
+}
+
+void ScopedPPResource::CallAddRef() {
+  if (id_)
+    TrackerBase::Get()->GetResourceTracker()->AddRefResource(id_);
+}
+
+void ScopedPPResource::CallRelease() {
+  if (id_)
+    TrackerBase::Get()->GetResourceTracker()->ReleaseResource(id_);
+}
+
+}  // namespace ppapi