Some cleanup in GrTextureProvider and GrResourceProvider

src/effects/SkGpuBlurUtils.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkGpuBlurUtils.h"
 
 #include "SkRect.h"
@@ skipping 165 matching lines @@
     GrSurfaceDesc desc;
     desc.fFlags = kRenderTarget_GrSurfaceFlag;
     desc.fWidth = SkScalarFloorToInt(srcRect.width());
     desc.fHeight = SkScalarFloorToInt(srcRect.height());
     desc.fConfig = srcTexture->config();
 
     GrTexture* dstTexture;
     GrTexture* tempTexture;
     SkAutoTUnref<GrTexture> temp1, temp2;
 
-    temp1.reset(context->textureProvider()->refScratchTexture(
-        desc, GrTextureProvider::kApprox_ScratchTexMatch));
+    temp1.reset(context->textureProvider()->createApproxTexture(desc));
     dstTexture = temp1.get();
     if (canClobberSrc) {
         tempTexture = srcTexture;
     } else {
-        temp2.reset(context->textureProvider()->refScratchTexture(
-            desc, GrTextureProvider::kApprox_ScratchTexMatch));
+        temp2.reset(context->textureProvider()->createApproxTexture(desc));
         tempTexture = temp2.get();
     }
 
     if (NULL == dstTexture || NULL == tempTexture) {
         return NULL;
     }
 
     GrDrawContext* srcDrawContext = NULL;
 
     for (int i = 1; i < scaleFactorX || i < scaleFactorY; i *= 2) {
@@ skipping 157 matching lines @@
         srcRect = dstRect;
         srcTexture = dstTexture;
         SkTSwap(dstTexture, tempTexture);
     }
 
     return SkRef(srcTexture);
 }
 #endif
 
 }