Towards removing getTexture() from SkImage

src/gpu/SkGpuDevice.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkGpuDevice.h"
 
 #include "GrBlurUtils.h"
@@ skipping 1456 matching lines @@
     AutoBitmapTexture abt(fContext, src, NULL, &texture);
     if (!texture) {
         return false;
     }
 
     return this->filterTexture(fContext, texture, src.width(), src.height(),
                                filter, ctx, result, offset);
 }
 
 static bool wrap_as_bm(const SkImage* image, SkBitmap* bm) {
-    GrTexture* tex = image->getTexture();
+    GrTexture* tex = as_IB(image)->getTexture();
     if (tex) {
         GrWrapTextureInBitmap(tex, image->width(), image->height(), image->isOpaque(), bm);
         return true;
     } else {
         return as_IB(image)->getROPixels(bm);
     }
 }
 
 void SkGpuDevice::drawImage(const SkDraw& draw, const SkImage* image, SkScalar x, SkScalar y,
                             const SkPaint& paint) {
@@ skipping 301 matching lines @@
 #endif
 }
 
 SkImageFilter::Cache* SkGpuDevice::getImageFilterCache() {
     // We always return a transient cache, so it is freed after each
     // filter traversal.
     return SkImageFilter::Cache::Create(kDefaultImageFilterCacheSize);
 }
 
 #endif