Remove WebGraphicsContext3D::getGLES2Interface().

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

 // Copyright 2015 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 WebGLSync_h
 #define WebGLSync_h
 
 #include "modules/webgl/WebGLSharedObject.h"
-#include "public/platform/WebGraphicsContext3D.h"
 #include "third_party/khronos/GLES2/gl2.h"
 
 namespace blink {
 
 class WebGL2RenderingContextBase;
 
 class WebGLSync : public WebGLSharedObject {
     DEFINE_WRAPPERTYPEINFO();
 public:
     ~WebGLSync() override;
 
     GLsync object() const { return m_object; }
 
 protected:
     WebGLSync(WebGL2RenderingContextBase*, GLsync, GLenum objectType);
 
     bool hasObject() const override { return m_object != nullptr; }
-    void deleteObjectImpl(WebGraphicsContext3D*, gpu::gles2::GLES2Interface*) override;
+    void deleteObjectImpl(gpu::gles2::GLES2Interface*) override;
 
     GLenum objectType() const { return m_objectType; }
 
 private:
     bool isSync() const override { return true; }
 
     GLsync m_object;
     GLenum m_objectType;
 };
 
 } // namespace blink
 
 #endif // WebGLSync_h