Only create instances of WebTransformOperations using cc::TransformOperations::Create

cc/transform_operations.h

+// 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.
+
+#ifndef CC_TRANSFORM_OPERATIONS_H_
+#define CC_TRANSFORM_OPERATIONS_H_
+
+#include "cc/cc_export.h"
+
+namespace WebKit {
+class WebTransformOperations;
+}
+
+namespace cc {
+
+class CC_EXPORT TransformOperations {
+ public:
+  static WebKit::WebTransformOperations* Create();
+  static WebKit::WebTransformOperations* Create(
+      const WebKit::WebTransformOperations& prototype);
+};
+
+}  // namespace cc
+
+#endif  // CC_TRANSFORM_OPERATIONS_H_