add getTextureHandle to SkSurface

src/image/SkSurface.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkSurface_Base.h"
 #include "SkImagePriv.h"
 #include "SkCanvas.h"
@@ skipping 157 matching lines @@
 
 const void* SkSurface::peekPixels(SkImageInfo* info, size_t* rowBytes) {
     return this->getCanvas()->peekPixels(info, rowBytes);
 }
 
 bool SkSurface::readPixels(const SkImageInfo& dstInfo, void* dstPixels, size_t dstRowBytes,
                            int srcX, int srcY) {
     return this->getCanvas()->readPixels(dstInfo, dstPixels, dstRowBytes, srcX, srcY);
 }
 
+GrBackendObject SkSurface::getTextureHandle(TextureHandleAccess access) {
+    return asSB(this)->onGetTextureHandle(access);
+}
+
 //////////////////////////////////////////////////////////////////////////////////////
 
 #if !SK_SUPPORT_GPU
 
 SkSurface* SkSurface::NewRenderTargetDirect(GrRenderTarget*, const SkSurfaceProps*) {
     return NULL;
 }
 
 SkSurface* SkSurface::NewRenderTarget(GrContext*, Budgeted, const SkImageInfo&, int,
                                       const SkSurfaceProps*) {
     return NULL;
 }
 
 SkSurface* SkSurface::NewWrappedRenderTarget(GrContext*, GrBackendTextureDesc,
                                              const SkSurfaceProps*) {
     return NULL;
 }
 
 #endif