Revert "Delete CC."

cc/resources/scoped_resource.cc

+// 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();
+}
+
+void ScopedResource::Allocate(const gfx::Size& size,
+                              ResourceProvider::TextureHint hint,
+                              ResourceFormat format) {
+  DCHECK(!id());
+  DCHECK(!size.IsEmpty());
+
+  set_dimensions(size, format);
+  set_id(resource_provider_->CreateResource(
+      size, GL_CLAMP_TO_EDGE, hint, format));
+
+#if DCHECK_IS_ON()
+  allocate_thread_id_ = base::PlatformThread::CurrentId();
+#endif
+}
+
+void ScopedResource::AllocateManaged(const gfx::Size& size,
+                                     GLenum target,
+                                     ResourceFormat format) {
+  DCHECK(!id());
+  DCHECK(!size.IsEmpty());
+
+  set_dimensions(size, format);
+  set_id(resource_provider_->CreateManagedResource(
+      size, target, GL_CLAMP_TO_EDGE, ResourceProvider::TEXTURE_HINT_IMMUTABLE,
+      format));
+
+#if DCHECK_IS_ON()
+  allocate_thread_id_ = base::PlatformThread::CurrentId();
+#endif
+}
+
+void ScopedResource::Free() {
+  if (id()) {
+#if DCHECK_IS_ON()
+    DCHECK(allocate_thread_id_ == base::PlatformThread::CurrentId());
+#endif
+    resource_provider_->DeleteResource(id());
+  }
+  set_id(0);
+}
+
+}  // namespace cc