Remove unused and unimplemented abstract functions from GrRenderTarget

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 12 matching lines @@
 class GrRenderTarget : virtual public GrSurface {
 public:
     SK_DECLARE_INST_COUNT(GrRenderTarget)
 
     // GrSurface overrides
     GrRenderTarget* asRenderTarget() SK_OVERRIDE { return this; }
     const GrRenderTarget* asRenderTarget() const  SK_OVERRIDE { return this; }
 
     // 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().
-     * (In GL a separate FBO ID is used for the MSAA and resolved buffers)
-     * @return the 3D API's handle to this object (e.g. FBO ID in OpenGL)
-     */
-    virtual GrBackendObject getRenderTargetResolvedHandle() const = 0;
-
-    /**
      * @return true if the surface is multisampled, false otherwise
      */
     bool isMultisampled() const { return 0 != fDesc.fSampleCnt; }
 
     /**
      * @return the number of samples-per-pixel or zero if non-MSAA.
      */
     int numSamples() const { return fDesc.fSampleCnt; }
 
     /**
@@ skipping 64 matching lines @@
 
 private:
     GrStencilBuffer*  fStencilBuffer;
 
     SkIRect           fResolveRect;
 
     typedef GrSurface INHERITED;
 };
 
 #endif