Remove SkDevice::accessRenderTarget virtual

src/image/SkImage_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 "SkAutoPixmapStorage.h"
 #include "GrCaps.h"
 #include "GrContext.h"
@@ skipping 20 matching lines @@
     SkASSERT(tex->height() == h);
 }
 
 SkImage_Gpu::~SkImage_Gpu() {
     if (fAddedRasterVersionToCache.load()) {
         SkNotifyBitmapGenIDIsStale(this->uniqueID());
     }
 }
 
 extern void SkTextureImageApplyBudgetedDecision(SkImage* image) {
-    if (as_IB(image)->peekTexture()) {
+    if (image->isTextureBacked()) {
         ((SkImage_Gpu*)image)->applyBudgetDecision();
     }
 }
 
 static SkImageInfo make_info(int w, int h, bool isOpaque) {
     return SkImageInfo::MakeN32(w, h, isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType);
 }
 
 bool SkImage_Gpu::getROPixels(SkBitmap* dst, CachingHint chint) const {
     if (SkBitmapCache::Find(this->uniqueID(), dst)) {
@@ skipping 487 matching lines @@
     if (!ctx) {
         return nullptr;
     }
     SkAutoTUnref<GrTexture> texture(GrUploadMipMapToTexture(ctx, info, texels, mipLevelCount));
     if (!texture) {
         return nullptr;
     }
     return sk_make_sp<SkImage_Gpu>(texture->width(), texture->height(), kNeedNewImageUniqueID,
                                    info.alphaType(), texture, budgeted);
 }