Removed implementation of CHROMIUM_subscribe_uniform

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

-// Copyright 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 CHROMIUMSubscribeUniform_h
-#define CHROMIUMSubscribeUniform_h
-
-#include "modules/webgl/WebGLExtension.h"
-
-namespace blink {
-
-class CHROMIUMValuebuffer;
-
-class CHROMIUMSubscribeUniform final : public WebGLExtension {
-    DEFINE_WRAPPERTYPEINFO();
-public:
-    static CHROMIUMSubscribeUniform* create(WebGLRenderingContextBase*);
-    static bool supported(WebGLRenderingContextBase*);
-    static const char* extensionName();
-
-    ~CHROMIUMSubscribeUniform() override;
-    WebGLExtensionName name() const override;
-
-    CHROMIUMValuebuffer* createValuebufferCHROMIUM();
-    void deleteValuebufferCHROMIUM(CHROMIUMValuebuffer*);
-    GLboolean isValuebufferCHROMIUM(CHROMIUMValuebuffer*);
-    void bindValuebufferCHROMIUM(GLenum target, CHROMIUMValuebuffer*);
-
-    void subscribeValueCHROMIUM(GLenum target, GLenum subscription);
-    void populateSubscribedValuesCHROMIUM(GLenum target);
-    void uniformValuebufferCHROMIUM(const WebGLUniformLocation*, GLenum target, GLenum subscription);
-
-private:
-    explicit CHROMIUMSubscribeUniform(WebGLRenderingContextBase*);
-};
-
-} // namespace blink
-
-#endif // CHROMIUMSubscribeUniform_h