Remove uses of GrAutoScratchTexture.

src/effects/SkXfermodeImageFilter.cpp

 /*
  * Copyright 2013 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkXfermodeImageFilter.h"
 #include "SkCanvas.h"
 #include "SkDevice.h"
@@ skipping 121 matching lines @@
     GrTexture* foregroundTex = foreground.getTexture();
     GrContext* context = foregroundTex->getContext();
 
     GrFragmentProcessor* xferProcessor = NULL;
 
     GrTextureDesc desc;
     desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit;
     desc.fWidth = src.width();
     desc.fHeight = src.height();
     desc.fConfig = kSkia8888_GrPixelConfig;
-
-    GrAutoScratchTexture ast(context, desc);
-    if (NULL == ast.texture()) {
+    SkAutoTUnref<GrTexture> dst(
+        context->refScratchTexture(desc, GrContext::kApprox_ScratchTexMatch));
+    if (!dst) {
         return false;
     }
-    SkAutoTUnref<GrTexture> dst(ast.detach());
-
     GrContext::AutoRenderTarget art(context, dst->asRenderTarget());
 
     if (!fMode || !fMode->asFragmentProcessor(&xferProcessor, backgroundTex)) {
         // canFilterImageGPU() should've taken care of this
         SkASSERT(false);
         return false;
     }
 
     SkMatrix foregroundMatrix = GrCoordTransform::MakeDivByTextureWHMatrix(foregroundTex);
     foregroundMatrix.preTranslate(SkIntToScalar(backgroundOffset.fX-foregroundOffset.fX),
                                   SkIntToScalar(backgroundOffset.fY-foregroundOffset.fY));
 
 
     SkRect srcRect;
     src.getBounds(&srcRect);
 
     GrPaint paint;
     paint.addColorTextureProcessor(foregroundTex, foregroundMatrix);
     paint.addColorProcessor(xferProcessor)->unref();
     context->drawRect(paint, srcRect);
 
     offset->fX = backgroundOffset.fX;
     offset->fY = backgroundOffset.fY;
     WrapTexture(dst, src.width(), src.height(), result);
     return true;
 }
 
 #endif