1 files changed, 48 insertions, 0 deletions
diff --git a/chromium/cc/resources/scoped_resource.cc b/chromium/cc/resources/scoped_resource.cc
new file mode 100644
index 00000000000..e444eee571f
--- /dev/null
+++ b/chromium/cc/resources/scoped_resource.cc
@@ -0,0 +1,48 @@
+// Copyright 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 "cc/resources/scoped_resource.h"
+
+namespace cc {
+
+ScopedResource::ScopedResource(ResourceProvider* resource_provider)
+    : resource_provider_(resource_provider) {
+  DCHECK(resource_provider_);
+}
+
+ScopedResource::~ScopedResource() {
+  Free();
+}
+
+bool ScopedResource::Allocate(gfx::Size size,
+                              GLenum format,
+                              ResourceProvider::TextureUsageHint hint) {
+  DCHECK(!id());
+  DCHECK(!size.IsEmpty());
+
+  set_dimensions(size, format);
+  set_id(resource_provider_->CreateResource(size, format, hint));
+
+#ifndef NDEBUG
+  allocate_thread_id_ = base::PlatformThread::CurrentId();
+#endif
+
+  return id() != 0;
+}
+
+void ScopedResource::Free() {
+  if (id()) {
+#ifndef NDEBUG
+    DCHECK(allocate_thread_id_ == base::PlatformThread::CurrentId());
+#endif
+    resource_provider_->DeleteResource(id());
+  }
+  set_id(0);
+}
+
+void ScopedResource::Leak() {
+  set_id(0);
+}
+
+}  // namespace cc