Removed implementation of CHROMIUM_subscribe_uniform

third_party/WebKit/Source/modules/webgl/CHROMIUMValuebuffer.h

-// Copyright (c) 2014 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 CHROMIUMValuebuffer_h
-#define CHROMIUMValuebuffer_h
-
-#include "modules/webgl/WebGLSharedPlatform3DObject.h"
-
-namespace blink {
-
-class CHROMIUMValuebuffer final : public WebGLSharedPlatform3DObject {
-    DEFINE_WRAPPERTYPEINFO();
-public:
-    ~CHROMIUMValuebuffer() override;
-
-    static CHROMIUMValuebuffer* create(WebGLRenderingContextBase*);
-
-    bool hasEverBeenBound() const { return m_hasEverBeenBound; }
-
-    void setHasEverBeenBound() { m_hasEverBeenBound = true; }
-
-protected:
-    explicit CHROMIUMValuebuffer(WebGLRenderingContextBase*);
-
-    void deleteObjectImpl(gpu::gles2::GLES2Interface*) override;
-
-private:
-
-    bool m_hasEverBeenBound;
-};
-
-} // namespace blink
-
-#endif // CHROMIUMValuebuffer_h