Remove WebGraphicsContext3D::getGLES2Interface().

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

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 28 matching lines @@
     static WebGLShader* create(WebGLRenderingContextBase*, GLenum);
 
     GLenum type() const { return m_type; }
     const String& source() const { return m_source; }
 
     void setSource(const String& source) { m_source = source; }
 
 private:
     WebGLShader(WebGLRenderingContextBase*, GLenum);
 
-    void deleteObjectImpl(WebGraphicsContext3D*, gpu::gles2::GLES2Interface*) override;
+    void deleteObjectImpl(gpu::gles2::GLES2Interface*) override;
 
     bool isShader() const override { return true; }
 
     GLenum m_type;
     String m_source;
 };
 
 } // namespace blink
 
 #endif // WebGLShader_h