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

src/effects/SkMorphologyImageFilter.cpp

 /*
  * Copyright 2012 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 "SkMorphologyImageFilter.h"
 #include "SkBitmap.h"
 #include "SkColorPriv.h"
@@ skipping 118 matching lines @@
 static void dilateY(const SkBitmap& src, SkBitmap* dst, int radiusY)
 {
     dilate(src.getAddr32(0, 0), dst->getAddr32(0, 0),
            radiusY, src.height(), src.width(),
            src.rowBytesAsPixels(), 1, dst->rowBytesAsPixels(), 1);
 }
 
 bool SkErodeImageFilter::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 24 matching lines @@
         erodeX(src, dst, width);
     } else if (height > 0) {
         erodeY(src, dst, height);
     }
     return true;
 }
 
 bool SkDilateImageFilter::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 320 matching lines @@
     }
     GrTexture* input = (GrTexture*) inputBM.getTexture();
     SkIRect bounds;
     src.getBounds(&bounds);
     SkAutoTUnref<GrTexture> resultTex(apply_morphology(input, bounds,
         GrMorphologyEffect::kErode_MorphologyType, radius()));
     return SkImageFilterUtils::WrapTexture(resultTex, src.width(), src.height(), result);
 }
 
 #endif