Reducing code duplication between WGC3D(InProcess)CommandBufferImpl

webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h

 // Copyright (c) 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 WEBKIT_COMMON_GPU_WEBGRAPHICSCONTEXT3D_IN_PROCESS_COMMAND_BUFFER_IMPL_H_
 #define WEBKIT_COMMON_GPU_WEBGRAPHICSCONTEXT3D_IN_PROCESS_COMMAND_BUFFER_IMPL_H_
 
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "ui/gfx/native_widget_types.h"
+#include "webkit/common/gpu/webgraphicscontext3d_impl.h"
 #include "webkit/common/gpu/webkit_gpu_export.h"
 
 namespace gpu {
 class ContextSupport;
 
 namespace gles2 {
 class GLES2Interface;
 class GLES2Implementation;
 }
 }
 
-using blink::WebGLId;
-
-using blink::WGC3Dbyte;
-using blink::WGC3Dchar;
-using blink::WGC3Denum;
-using blink::WGC3Dboolean;
-using blink::WGC3Dbitfield;
-using blink::WGC3Dint;
-using blink::WGC3Dsizei;
-using blink::WGC3Duint;
-using blink::WGC3Dfloat;
-using blink::WGC3Dclampf;
-using blink::WGC3Dintptr;
-using blink::WGC3Dsizeiptr;
-
 namespace gpu {
 class GLInProcessContext;
 struct GLInProcessContextAttribs;
 }
 
 namespace webkit {
 namespace gpu {
 
 class WEBKIT_GPU_EXPORT WebGraphicsContext3DInProcessCommandBufferImpl
-    : public NON_EXPORTED_BASE(blink::WebGraphicsContext3D) {
+    : public content::WebGraphicsContext3DImpl {
  public:
   static scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl>
       CreateViewContext(
           const blink::WebGraphicsContext3D::Attributes& attributes,
           bool lose_context_when_out_of_memory,
           gfx::AcceleratedWidget window);
 
   static scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl>
       CreateOffscreenContext(
           const blink::WebGraphicsContext3D::Attributes& attributes,
           bool lose_context_when_out_of_memory);
 
   static scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl>
       WrapContext(
           scoped_ptr< ::gpu::GLInProcessContext> context,
           const blink::WebGraphicsContext3D::Attributes& attributes);
 
   virtual ~WebGraphicsContext3DInProcessCommandBufferImpl();
 
   // Convert WebGL context creation attributes into GLInProcessContext / EGL
   // size requests.
   static void ConvertAttributes(
       const blink::WebGraphicsContext3D::Attributes& attributes,
       ::gpu::GLInProcessContextAttribs* output_attribs);
 
   //----------------------------------------------------------------------
   // WebGraphicsContext3D methods
   virtual bool makeContextCurrent();
 
-  virtual uint32_t lastFlushID();
-
-  virtual void reshapeWithScaleFactor(int width, int height, float scaleFactor);
-
-  virtual void prepareTexture();
-  virtual void postSubBufferCHROMIUM(int x, int y, int width, int height);
-
-  virtual void activeTexture(WGC3Denum texture);
-  virtual void attachShader(WebGLId program, WebGLId shader);
-  virtual void bindAttribLocation(WebGLId program, WGC3Duint index,
-                                  const WGC3Dchar* name);
-  virtual void bindBuffer(WGC3Denum target, WebGLId buffer);
-  virtual void bindFramebuffer(WGC3Denum target, WebGLId framebuffer);
-  virtual void bindRenderbuffer(WGC3Denum target, WebGLId renderbuffer);
-  virtual void bindTexture(WGC3Denum target, WebGLId texture);
-  virtual void blendColor(WGC3Dclampf red, WGC3Dclampf green,
-                          WGC3Dclampf blue, WGC3Dclampf alpha);
-  virtual void blendEquation(WGC3Denum mode);
-  virtual void blendEquationSeparate(WGC3Denum modeRGB,
-                                     WGC3Denum modeAlpha);
-  virtual void blendFunc(WGC3Denum sfactor, WGC3Denum dfactor);
-  virtual void blendFuncSeparate(WGC3Denum srcRGB,
-                                 WGC3Denum dstRGB,
-                                 WGC3Denum srcAlpha,
-                                 WGC3Denum dstAlpha);
-
-  virtual void bufferData(WGC3Denum target, WGC3Dsizeiptr size,
-                          const void* data, WGC3Denum usage);
-  virtual void bufferSubData(WGC3Denum target, WGC3Dintptr offset,
-                             WGC3Dsizeiptr size, const void* data);
-
-  virtual WGC3Denum checkFramebufferStatus(WGC3Denum target);
-  virtual void clear(WGC3Dbitfield mask);
-  virtual void clearColor(WGC3Dclampf red, WGC3Dclampf green,
-                          WGC3Dclampf blue, WGC3Dclampf alpha);
-  virtual void clearDepth(WGC3Dclampf depth);
-  virtual void clearStencil(WGC3Dint s);
-  virtual void colorMask(WGC3Dboolean red, WGC3Dboolean green,
-                         WGC3Dboolean blue, WGC3Dboolean alpha);
-  virtual void compileShader(WebGLId shader);
-
-  virtual void compressedTexImage2D(WGC3Denum target,
-                                    WGC3Dint level,
-                                    WGC3Denum internalformat,
-                                    WGC3Dsizei width,
-                                    WGC3Dsizei height,
-                                    WGC3Dint border,
-                                    WGC3Dsizei imageSize,
-                                    const void* data);
-  virtual void compressedTexSubImage2D(WGC3Denum target,
-                                       WGC3Dint level,
-                                       WGC3Dint xoffset,
-                                       WGC3Dint yoffset,
-                                       WGC3Dsizei width,
-                                       WGC3Dsizei height,
-                                       WGC3Denum format,
-                                       WGC3Dsizei imageSize,
-                                       const void* data);
-  virtual void copyTexImage2D(WGC3Denum target,
-                              WGC3Dint level,
-                              WGC3Denum internalformat,
-                              WGC3Dint x,
-                              WGC3Dint y,
-                              WGC3Dsizei width,
-                              WGC3Dsizei height,
-                              WGC3Dint border);
-  virtual void copyTexSubImage2D(WGC3Denum target,
-                                 WGC3Dint level,
-                                 WGC3Dint xoffset,
-                                 WGC3Dint yoffset,
-                                 WGC3Dint x,
-                                 WGC3Dint y,
-                                 WGC3Dsizei width,
-                                 WGC3Dsizei height);
-  virtual void cullFace(WGC3Denum mode);
-  virtual void depthFunc(WGC3Denum func);
-  virtual void depthMask(WGC3Dboolean flag);
-  virtual void depthRange(WGC3Dclampf zNear, WGC3Dclampf zFar);
-  virtual void detachShader(WebGLId program, WebGLId shader);
-  virtual void disable(WGC3Denum cap);
-  virtual void disableVertexAttribArray(WGC3Duint index);
-  virtual void drawArrays(WGC3Denum mode, WGC3Dint first, WGC3Dsizei count);
-  virtual void drawElements(WGC3Denum mode,
-                            WGC3Dsizei count,
-                            WGC3Denum type,
-                            WGC3Dintptr offset);
-
-  virtual void enable(WGC3Denum cap);
-  virtual void enableVertexAttribArray(WGC3Duint index);
-  virtual void finish();
-  virtual void flush();
-  virtual void framebufferRenderbuffer(WGC3Denum target,
-                                       WGC3Denum attachment,
-                                       WGC3Denum renderbuffertarget,
-                                       WebGLId renderbuffer);
-  virtual void framebufferTexture2D(WGC3Denum target,
-                                    WGC3Denum attachment,
-                                    WGC3Denum textarget,
-                                    WebGLId texture,
-                                    WGC3Dint level);
-  virtual void frontFace(WGC3Denum mode);
-  virtual void generateMipmap(WGC3Denum target);
-
-  virtual bool getActiveAttrib(WebGLId program,
-                               WGC3Duint index,
-                               ActiveInfo&);
-  virtual bool getActiveUniform(WebGLId program,
-                                WGC3Duint index,
-                                ActiveInfo&);
-
-  virtual void getAttachedShaders(WebGLId program,
-                                  WGC3Dsizei maxCount,
-                                  WGC3Dsizei* count,
-                                  WebGLId* shaders);
-
-  virtual WGC3Dint  getAttribLocation(WebGLId program, const WGC3Dchar* name);
-
-  virtual void getBooleanv(WGC3Denum pname, WGC3Dboolean* value);
-
-  virtual void getBufferParameteriv(WGC3Denum target,
-                                    WGC3Denum pname,
-                                    WGC3Dint* value);
-
-  virtual Attributes getContextAttributes();
-
-  virtual WGC3Denum getError();
-
   virtual bool isContextLost();
 
-  virtual void getFloatv(WGC3Denum pname, WGC3Dfloat* value);
-
-  virtual void getFramebufferAttachmentParameteriv(WGC3Denum target,
-                                                   WGC3Denum attachment,
-                                                   WGC3Denum pname,
-                                                   WGC3Dint* value);
-
-  virtual void getIntegerv(WGC3Denum pname, WGC3Dint* value);
-
-  virtual void getProgramiv(WebGLId program, WGC3Denum pname, WGC3Dint* value);
-
-  virtual blink::WebString getProgramInfoLog(WebGLId program);
-
-  virtual void getRenderbufferParameteriv(WGC3Denum target,
-                                          WGC3Denum pname,
-                                          WGC3Dint* value);
-
-  virtual void getShaderiv(WebGLId shader, WGC3Denum pname, WGC3Dint* value);
-
-  virtual blink::WebString getShaderInfoLog(WebGLId shader);
-
-  virtual void getShaderPrecisionFormat(WGC3Denum shadertype,
-                                        WGC3Denum precisiontype,
-                                        WGC3Dint* range,
-                                        WGC3Dint* precision);
-
-  virtual blink::WebString getShaderSource(WebGLId shader);
-  virtual blink::WebString getString(WGC3Denum name);
-
-  virtual void getTexParameterfv(WGC3Denum target,
-                                 WGC3Denum pname,
-                                 WGC3Dfloat* value);
-  virtual void getTexParameteriv(WGC3Denum target,
-                                 WGC3Denum pname,
-                                 WGC3Dint* value);
-
-  virtual void getUniformfv(WebGLId program,
-                            WGC3Dint location,
-                            WGC3Dfloat* value);
-  virtual void getUniformiv(WebGLId program,
-                            WGC3Dint location,
-                            WGC3Dint* value);
-
-  virtual WGC3Dint getUniformLocation(WebGLId program, const WGC3Dchar* name);
-
-  virtual void getVertexAttribfv(WGC3Duint index, WGC3Denum pname,
-                                 WGC3Dfloat* value);
-  virtual void getVertexAttribiv(WGC3Duint index, WGC3Denum pname,
-                                 WGC3Dint* value);
-
-  virtual WGC3Dsizeiptr getVertexAttribOffset(WGC3Duint index, WGC3Denum pname);
-
-  virtual void hint(WGC3Denum target, WGC3Denum mode);
-  virtual WGC3Dboolean isBuffer(WebGLId buffer);
-  virtual WGC3Dboolean isEnabled(WGC3Denum cap);
-  virtual WGC3Dboolean isFramebuffer(WebGLId framebuffer);
-  virtual WGC3Dboolean isProgram(WebGLId program);
-  virtual WGC3Dboolean isRenderbuffer(WebGLId renderbuffer);
-  virtual WGC3Dboolean isShader(WebGLId shader);
-  virtual WGC3Dboolean isTexture(WebGLId texture);
-  virtual void lineWidth(WGC3Dfloat);
-  virtual void linkProgram(WebGLId program);
-  virtual void pixelStorei(WGC3Denum pname, WGC3Dint param);
-  virtual void polygonOffset(WGC3Dfloat factor, WGC3Dfloat units);
-
-  virtual void readPixels(WGC3Dint x,
-                          WGC3Dint y,
-                          WGC3Dsizei width,
-                          WGC3Dsizei height,
-                          WGC3Denum format,
-                          WGC3Denum type,
-                          void* pixels);
-
-  virtual void releaseShaderCompiler();
-  virtual void renderbufferStorage(WGC3Denum target,
-                                   WGC3Denum internalformat,
-                                   WGC3Dsizei width,
-                                   WGC3Dsizei height);
-  virtual void sampleCoverage(WGC3Dfloat value, WGC3Dboolean invert);
-  virtual void scissor(WGC3Dint x, WGC3Dint y,
-                       WGC3Dsizei width, WGC3Dsizei height);
-  virtual void shaderSource(WebGLId shader, const WGC3Dchar* string);
-  virtual void stencilFunc(WGC3Denum func, WGC3Dint ref, WGC3Duint mask);
-  virtual void stencilFuncSeparate(WGC3Denum face,
-                                   WGC3Denum func,
-                                   WGC3Dint ref,
-                                   WGC3Duint mask);
-  virtual void stencilMask(WGC3Duint mask);
-  virtual void stencilMaskSeparate(WGC3Denum face, WGC3Duint mask);
-  virtual void stencilOp(WGC3Denum fail,
-                         WGC3Denum zfail,
-                         WGC3Denum zpass);
-  virtual void stencilOpSeparate(WGC3Denum face,
-                                 WGC3Denum fail,
-                                 WGC3Denum zfail,
-                                 WGC3Denum zpass);
-
-  virtual void texImage2D(WGC3Denum target,
-                          WGC3Dint level,
-                          WGC3Denum internalformat,
-                          WGC3Dsizei width,
-                          WGC3Dsizei height,
-                          WGC3Dint border,
-                          WGC3Denum format,
-                          WGC3Denum type,
-                          const void* pixels);
-
-  virtual void texParameterf(WGC3Denum target,
-                             WGC3Denum pname,
-                             WGC3Dfloat param);
-  virtual void texParameteri(WGC3Denum target,
-                             WGC3Denum pname,
-                             WGC3Dint param);
-
-  virtual void texSubImage2D(WGC3Denum target,
-                             WGC3Dint level,
-                             WGC3Dint xoffset,
-                             WGC3Dint yoffset,
-                             WGC3Dsizei width,
-                             WGC3Dsizei height,
-                             WGC3Denum format,
-                             WGC3Denum type,
-                             const void* pixels);
-
-  virtual void uniform1f(WGC3Dint location, WGC3Dfloat x);
-  virtual void uniform1fv(WGC3Dint location,
-                          WGC3Dsizei count, const WGC3Dfloat* v);
-  virtual void uniform1i(WGC3Dint location, WGC3Dint x);
-  virtual void uniform1iv(WGC3Dint location,
-                          WGC3Dsizei count, const WGC3Dint* v);
-  virtual void uniform2f(WGC3Dint location, WGC3Dfloat x, WGC3Dfloat y);
-  virtual void uniform2fv(WGC3Dint location,
-                          WGC3Dsizei count, const WGC3Dfloat* v);
-  virtual void uniform2i(WGC3Dint location, WGC3Dint x, WGC3Dint y);
-  virtual void uniform2iv(WGC3Dint location,
-                          WGC3Dsizei count, const WGC3Dint* v);
-  virtual void uniform3f(WGC3Dint location,
-                         WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z);
-  virtual void uniform3fv(WGC3Dint location,
-                          WGC3Dsizei count, const WGC3Dfloat* v);
-  virtual void uniform3i(WGC3Dint location,
-                         WGC3Dint x, WGC3Dint y, WGC3Dint z);
-  virtual void uniform3iv(WGC3Dint location,
-                          WGC3Dsizei count, const WGC3Dint* v);
-  virtual void uniform4f(WGC3Dint location,
-                         WGC3Dfloat x, WGC3Dfloat y,
-                         WGC3Dfloat z, WGC3Dfloat w);
-  virtual void uniform4fv(WGC3Dint location,
-                          WGC3Dsizei count, const WGC3Dfloat* v);
-  virtual void uniform4i(WGC3Dint location,
-                         WGC3Dint x, WGC3Dint y, WGC3Dint z, WGC3Dint w);
-  virtual void uniform4iv(WGC3Dint location,
-                          WGC3Dsizei count, const WGC3Dint* v);
-  virtual void uniformMatrix2fv(WGC3Dint location,
-                                WGC3Dsizei count,
-                                WGC3Dboolean transpose,
-                                const WGC3Dfloat* value);
-  virtual void uniformMatrix3fv(WGC3Dint location,
-                                WGC3Dsizei count,
-                                WGC3Dboolean transpose,
-                                const WGC3Dfloat* value);
-  virtual void uniformMatrix4fv(WGC3Dint location,
-                                WGC3Dsizei count,
-                                WGC3Dboolean transpose,
-                                const WGC3Dfloat* value);
-
-  virtual void useProgram(WebGLId program);
-  virtual void validateProgram(WebGLId program);
-
-  virtual void vertexAttrib1f(WGC3Duint index, WGC3Dfloat x);
-  virtual void vertexAttrib1fv(WGC3Duint index, const WGC3Dfloat* values);
-  virtual void vertexAttrib2f(WGC3Duint index, WGC3Dfloat x, WGC3Dfloat y);
-  virtual void vertexAttrib2fv(WGC3Duint index, const WGC3Dfloat* values);
-  virtual void vertexAttrib3f(WGC3Duint index,
-                              WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z);
-  virtual void vertexAttrib3fv(WGC3Duint index, const WGC3Dfloat* values);
-  virtual void vertexAttrib4f(WGC3Duint index,
-                              WGC3Dfloat x, WGC3Dfloat y,
-                              WGC3Dfloat z, WGC3Dfloat w);
-  virtual void vertexAttrib4fv(WGC3Duint index, const WGC3Dfloat* values);
-  virtual void vertexAttribPointer(WGC3Duint index,
-                                   WGC3Dint size,
-                                   WGC3Denum type,
-                                   WGC3Dboolean normalized,
-                                   WGC3Dsizei stride,
-                                   WGC3Dintptr offset);
-
-  virtual void viewport(WGC3Dint x, WGC3Dint y,
-                        WGC3Dsizei width, WGC3Dsizei height);
-
-  // Support for buffer creation and deletion
-  virtual void genBuffers(WGC3Dsizei count, WebGLId* ids);
-  virtual void genFramebuffers(WGC3Dsizei count, WebGLId* ids);
-  virtual void genRenderbuffers(WGC3Dsizei count, WebGLId* ids);
-  virtual void genTextures(WGC3Dsizei count, WebGLId* ids);
-
-  virtual void deleteBuffers(WGC3Dsizei count, WebGLId* ids);
-  virtual void deleteFramebuffers(WGC3Dsizei count, WebGLId* ids);
-  virtual void deleteRenderbuffers(WGC3Dsizei count, WebGLId* ids);
-  virtual void deleteTextures(WGC3Dsizei count, WebGLId* ids);
-
-  virtual WebGLId createBuffer();
-  virtual WebGLId createFramebuffer();
-  virtual WebGLId createRenderbuffer();
-  virtual WebGLId createTexture();
-
-  virtual void deleteBuffer(WebGLId);
-  virtual void deleteFramebuffer(WebGLId);
-  virtual void deleteRenderbuffer(WebGLId);
-  virtual void deleteTexture(WebGLId);
-
-  virtual WebGLId createProgram();
-  virtual WebGLId createShader(WGC3Denum);
-
-  virtual void deleteProgram(WebGLId);
-  virtual void deleteShader(WebGLId);
-
-  virtual void synthesizeGLError(WGC3Denum);
-
-  virtual void* mapBufferSubDataCHROMIUM(
-      WGC3Denum target, WGC3Dintptr offset,
-      WGC3Dsizeiptr size, WGC3Denum access);
-  virtual void unmapBufferSubDataCHROMIUM(const void*);
-  virtual void* mapTexSubImage2DCHROMIUM(
-      WGC3Denum target,
-      WGC3Dint level,
-      WGC3Dint xoffset,
-      WGC3Dint yoffset,
-      WGC3Dsizei width,
-      WGC3Dsizei height,
-      WGC3Denum format,
-      WGC3Denum type,
-      WGC3Denum access);
-  virtual void unmapTexSubImage2DCHROMIUM(const void*);
-
-  virtual void setVisibilityCHROMIUM(bool visible);
-
-  virtual void discardFramebufferEXT(WGC3Denum target,
-                                     WGC3Dsizei numAttachments,
-                                     const WGC3Denum* attachments);
-
-  virtual void copyTextureToParentTextureCHROMIUM(
-      WebGLId texture, WebGLId parentTexture);
-
-  virtual blink::WebString getRequestableExtensionsCHROMIUM();
-  virtual void requestExtensionCHROMIUM(const char*);
-
-  virtual void blitFramebufferCHROMIUM(
-      WGC3Dint srcX0, WGC3Dint srcY0, WGC3Dint srcX1, WGC3Dint srcY1,
-      WGC3Dint dstX0, WGC3Dint dstY0, WGC3Dint dstX1, WGC3Dint dstY1,
-      WGC3Dbitfield mask, WGC3Denum filter);
-  virtual void renderbufferStorageMultisampleCHROMIUM(
-      WGC3Denum target, WGC3Dsizei samples, WGC3Denum internalformat,
-      WGC3Dsizei width, WGC3Dsizei height);
-
-  virtual blink::WebString getTranslatedShaderSourceANGLE(WebGLId shader);
-
-  virtual void setContextLostCallback(
-      WebGraphicsContext3D::WebGraphicsContextLostCallback* callback);
   virtual WGC3Denum getGraphicsResetStatusARB();
 
-  virtual void texImageIOSurface2DCHROMIUM(
-      WGC3Denum target, WGC3Dint width, WGC3Dint height,
-      WGC3Duint ioSurfaceId, WGC3Duint plane);
-
-  virtual void bindTexImage2DCHROMIUM(WGC3Denum target, WGC3Dint imageId);
-  virtual void releaseTexImage2DCHROMIUM(WGC3Denum target, WGC3Dint imageId);
-
-  virtual void texStorage2DEXT(
-      WGC3Denum target, WGC3Dint levels, WGC3Duint internalformat,
-      WGC3Dint width, WGC3Dint height);
-  virtual WGC3Duint createImageCHROMIUM(WGC3Dsizei width,
-                                        WGC3Dsizei height,
-                                        WGC3Denum internalformat,
-                                        WGC3Denum usage);
-  virtual void destroyImageCHROMIUM(WGC3Duint image_id);
-  virtual void getImageParameterivCHROMIUM(
-      WGC3Duint image_id, WGC3Denum pname, WGC3Dint* params);
-  virtual void* mapImageCHROMIUM(WGC3Duint image_id);
-  virtual void unmapImageCHROMIUM(WGC3Duint image_id);
-  virtual WebGLId createQueryEXT();
-  virtual void deleteQueryEXT(WebGLId query);
-  virtual WGC3Dboolean isQueryEXT(WebGLId query);
-  virtual void beginQueryEXT(WGC3Denum target, WebGLId query);
-  virtual void endQueryEXT(WGC3Denum target);
-  virtual void getQueryivEXT(
-      WGC3Denum target, WGC3Denum pname, WGC3Dint* params);
-  virtual void getQueryObjectuivEXT(
-      WebGLId query, WGC3Denum pname, WGC3Duint* params);
-
-  virtual void copyTextureCHROMIUM(WGC3Denum target, WGC3Duint source_id,
-                                   WGC3Duint dest_id, WGC3Dint level,
-                                   WGC3Denum internal_format,
-                                   WGC3Denum dest_type);
-
-  virtual void bindUniformLocationCHROMIUM(WebGLId program, WGC3Dint location,
-                                           const WGC3Dchar* uniform);
-
-  virtual void shallowFlushCHROMIUM();
-  virtual void shallowFinishCHROMIUM();
-
-  virtual void genMailboxCHROMIUM(WGC3Dbyte* mailbox);
-  virtual void produceTextureCHROMIUM(WGC3Denum target,
-                                      const WGC3Dbyte* mailbox);
-  virtual void consumeTextureCHROMIUM(WGC3Denum target,
-                                      const WGC3Dbyte* mailbox);
-
-  virtual void insertEventMarkerEXT(const WGC3Dchar* marker);
-  virtual void pushGroupMarkerEXT(const WGC3Dchar* marker);
-  virtual void popGroupMarkerEXT();
-
-  virtual void* mapBufferCHROMIUM(WGC3Denum target, WGC3Denum access);
-  virtual WGC3Dboolean unmapBufferCHROMIUM(WGC3Denum target);
-
-  virtual void framebufferTexture2DMultisampleEXT(WGC3Denum target,
-                                                  WGC3Denum attachment,
-                                                  WGC3Denum textarget,
-                                                  WebGLId texture,
-                                                  WGC3Dint level,
-                                                  WGC3Dsizei samples);
-  virtual void renderbufferStorageMultisampleEXT(WGC3Denum target,
-                                                 WGC3Dsizei samples,
-                                                 WGC3Denum internalformat,
-                                                 WGC3Dsizei width,
-                                                 WGC3Dsizei height);
-
-
-  // Async pixel transfer functions.
-  virtual void asyncTexImage2DCHROMIUM(
-      WGC3Denum target,
-      WGC3Dint level,
-      WGC3Denum internalformat,
-      WGC3Dsizei width,
-      WGC3Dsizei height,
-      WGC3Dint border,
-      WGC3Denum format,
-      WGC3Denum type,
-      const void* pixels);
-  virtual void asyncTexSubImage2DCHROMIUM(
-      WGC3Denum target,
-      WGC3Dint level,
-      WGC3Dint xoffset,
-      WGC3Dint yoffset,
-      WGC3Dsizei width,
-      WGC3Dsizei height,
-      WGC3Denum format,
-      WGC3Denum type,
-      const void* pixels);
-  virtual void waitAsyncTexImage2DCHROMIUM(WGC3Denum target);
-
-  virtual void drawBuffersEXT(WGC3Dsizei n, const WGC3Denum* bufs);
-
-  virtual unsigned insertSyncPoint();
-
-  virtual void loseContextCHROMIUM(WGC3Denum current, WGC3Denum other);
-
-  virtual GrGLInterface* createGrGLInterface();
-
-  ::gpu::gles2::GLES2Interface* GetGLInterface();
   ::gpu::ContextSupport* GetContextSupport();
 
   ::gpu::gles2::GLES2Implementation* GetImplementation() {
-    return gl_;
+    return real_gl_;
   }
 
  private:
   WebGraphicsContext3DInProcessCommandBufferImpl(
       scoped_ptr< ::gpu::GLInProcessContext> context,
       const blink::WebGraphicsContext3D::Attributes& attributes,
       bool lose_context_when_out_of_memory,
       bool is_offscreen,
       gfx::AcceleratedWidget window);
 
   void OnContextLost();
 
   bool MaybeInitializeGL();
 
   // Used to try to find bugs in code that calls gl directly through the gl api
   // instead of going through WebGraphicsContext3D.
   void ClearContext();
 
   bool is_offscreen_;
   // Only used when not offscreen.
   gfx::AcceleratedWidget window_;
 
-  bool initialized_;
-  bool initialize_failed_;
-
   // The context we use for OpenGL rendering.
   scoped_ptr< ::gpu::GLInProcessContext> context_;
   // The GLES2Implementation we use for OpenGL rendering.
-  ::gpu::gles2::GLES2Implementation* gl_;
-
-  WebGraphicsContext3D::WebGraphicsContextLostCallback* context_lost_callback_;
-  WGC3Denum context_lost_reason_;
-
-  blink::WebGraphicsContext3D::Attributes attributes_;
-  bool lose_context_when_out_of_memory_;
-
-  // Errors raised by synthesizeGLError().
-  std::vector<WGC3Denum> synthetic_errors_;
-
-  uint32_t flush_id_;
+  ::gpu::gles2::GLES2Implementation* real_gl_;
 };
 
 }  // namespace gpu
 }  // namespace webkit
 
 #endif  // WEBKIT_COMMON_GPU_WEBGRAPHICSCONTEXT3D_IN_PROCESS_COMMAND_BUFFER_IMPL_H_