Devirtualize read/write pixels on surface.

include/gpu/GrRenderTarget.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrRenderTarget_DEFINED
 #define GrRenderTarget_DEFINED
 
@@ skipping 25 matching lines @@
     virtual const GrTexture* asTexture() const SK_OVERRIDE { return fTexture; }
 
     /**
      * @return this render target.
      */
     virtual GrRenderTarget* asRenderTarget() SK_OVERRIDE { return this; }
     virtual const GrRenderTarget* asRenderTarget() const  SK_OVERRIDE {
         return this;
     }
 
-    virtual bool readPixels(int left, int top, int width, int height,
-                            GrPixelConfig config,
-                            void* buffer,
-                            size_t rowBytes = 0,
-                            uint32_t pixelOpsFlags = 0) SK_OVERRIDE;
-
-    virtual void writePixels(int left, int top, int width, int height,
-                             GrPixelConfig config,
-                             const void* buffer,
-                             size_t rowBytes = 0,
-                             uint32_t pixelOpsFlags = 0) SK_OVERRIDE;
-
     // GrRenderTarget
     /**
      * If this RT is multisampled, this is the multisample buffer
      * @return the 3D API's handle to this object (e.g. FBO ID in OpenGL)
      */
     virtual GrBackendObject getRenderTargetHandle() const = 0;
 
     /**
      * If this RT is multisampled, this is the buffer it is resolved to.
      * Otherwise, same as getRenderTargetHandle().
@@ skipping 100 matching lines @@
 
     GrStencilBuffer*  fStencilBuffer;
     GrTexture*        fTexture; // not ref'ed
 
     SkIRect           fResolveRect;
 
     typedef GrSurface INHERITED;
 };
 
 #endif