Remove SkImageFilter::getInputResult(), since its return value is not

src/effects/SkBlurImageFilter.cpp

 /*
  * Copyright 2011 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 "SkBitmap.h"
 #include "SkBlurImageFilter.h"
 #include "SkColorPriv.h"
@@ skipping 119 matching lines @@
     } else {
         *highOffset = d / 2;
         *lowOffset = *highOffset - 1;
         *kernelSize3 = d + 1;
     }
 }
 
 bool SkBlurImageFilter::onFilterImage(Proxy* proxy,
                                       const SkBitmap& source, const SkMatrix& ctm,
                                       SkBitmap* dst, SkIPoint* offset) {
-    SkBitmap src = this->getInputResult(0, proxy, source, ctm, offset);
+    SkBitmap src = source;
+    if (getInput(0) && !getInput(0)->filterImage(proxy, source, ctm, &src, offset)) {
+        return false;
+    }
+
     if (src.config() != SkBitmap::kARGB_8888_Config) {
         return false;
     }
 
     SkAutoLockPixels alp(src);
     if (!src.getPixels()) {
         return false;
     }
 
     dst->setConfig(src.config(), src.width(), src.height());
@@ skipping 47 matching lines @@
     SkRect rect;
     src.getBounds(&rect);
     SkAutoTUnref<GrTexture> tex(source->getContext()->gaussianBlur(source, false, rect,
         fSigma.width(), fSigma.height()));
     return SkImageFilterUtils::WrapTexture(tex, src.width(), src.height(), result);
 #else
     SkDEBUGFAIL("Should not call in GPU-less build");
     return false;
 #endif
 }