Change undefined SkGpuRenderTarget and SkGpuTexture forward declares to GrRenderTarget and GrTextur…

src/image/SkSurface_Gpu.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 48 matching lines @@
 
 SkSurface_Gpu::~SkSurface_Gpu() {
     SkSafeUnref(fDevice);
 }
 
 SkCanvas* SkSurface_Gpu::onNewCanvas() {
     return SkNEW_ARGS(SkCanvas, (fDevice));
 }
 
 SkSurface* SkSurface_Gpu::onNewSurface(const SkImage::Info& info) {
-    GrRenderTarget* rt = (GrRenderTarget*) fDevice->accessRenderTarget();
+    GrRenderTarget* rt = fDevice->accessRenderTarget();
     int sampleCount = rt->numSamples();
     return SkSurface::NewRenderTarget(fDevice->context(), info, sampleCount);
 }
 
 SkImage* SkSurface_Gpu::onNewImageSnapshot() {
 
-    GrRenderTarget* rt = (GrRenderTarget*) fDevice->accessRenderTarget();
+    GrRenderTarget* rt = fDevice->accessRenderTarget();
 
     return SkImage::NewTexture(rt->asTexture());
 }
 
 void SkSurface_Gpu::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y,
                               const SkPaint* paint) {
     canvas->drawBitmap(fDevice->accessBitmap(false), x, y, paint);
 }
 
 // Create a new SkGpuDevice and, if necessary, copy the contents of the old
 // device into it. Note that this flushes the SkGpuDevice but
 // doesn't force an OpenGL flush.
 void SkSurface_Gpu::onCopyOnWrite(ContentChangeMode mode) {
-    GrRenderTarget* rt = (GrRenderTarget*) fDevice->accessRenderTarget();
+    GrRenderTarget* rt = fDevice->accessRenderTarget();
     // are we sharing our render target with the image?
     SkASSERT(NULL != this->getCachedImage());
     if (rt->asTexture() == SkTextureImageGetTexture(this->getCachedImage())) {
         SkGpuDevice* newDevice = static_cast<SkGpuDevice*>(
             fDevice->createCompatibleDevice(fDevice->config(), fDevice->width(),
             fDevice->height(), fDevice->isOpaque()));
         SkAutoTUnref<SkGpuDevice> aurd(newDevice);
         if (kRetain_ContentChangeMode == mode) {
             fDevice->context()->copyTexture(rt->asTexture(),
                 reinterpret_cast<GrRenderTarget*>(newDevice->accessRenderTarget()));
@@ skipping 31 matching lines @@
     desc.fConfig = SkBitmapConfig2GrPixelConfig(config);
     desc.fSampleCnt = sampleCount;
 
     SkAutoTUnref<GrTexture> tex(ctx->createUncachedTexture(desc, NULL, 0));
     if (NULL == tex) {
         return NULL;
     }
 
     return SkNEW_ARGS(SkSurface_Gpu, (ctx, tex->asRenderTarget()));
 }