Initialize the matrix used when recursing from a GPU image filter -> raster image filter.

src/core/SkImageFilterUtils.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 "SkMatrix.h"
 
 #if SK_SUPPORT_GPU
@@ skipping 11 matching lines @@
 
 bool SkImageFilterUtils::GetInputResultGPU(SkImageFilter* filter, SkImageFilter::Proxy* proxy,
                                            const SkBitmap& src, SkBitmap* result,
                                            SkIPoint* offset) {
     if (!filter) {
         *result = src;
         return true;
     } else if (filter->canFilterImageGPU()) {
         return filter->filterImageGPU(proxy, src, result, offset);
     } else {
-        if (filter->filterImage(proxy, src, SkMatrix(), result, offset)) {
+        SkMatrix matrix;
+        matrix.reset();
+        if (filter->filterImage(proxy, src, matrix, result, offset)) {
             if (!result->getTexture()) {
                 GrContext* context = ((GrTexture *) src.getTexture())->getContext();
                 GrTexture* resultTex = GrLockAndRefCachedBitmapTexture(context,
                     *result, NULL);
                 result->setPixelRef(new SkGrPixelRef(resultTex))->unref();
                 GrUnlockAndUnrefCachedBitmapTexture(resultTex);
             }
             return true;
         } else {
             return false;
         }
     }
 }
 #endif