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

src/effects/SkColorFilterImageFilter.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 "SkColorFilterImageFilter.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
@@ skipping 80 matching lines @@
 }
 
 SkColorFilterImageFilter::~SkColorFilterImageFilter() {
     SkSafeUnref(fColorFilter);
 }
 
 bool SkColorFilterImageFilter::onFilterImage(Proxy* proxy, const SkBitmap& source,
                                              const SkMatrix& matrix,
                                              SkBitmap* result,
                                              SkIPoint* loc) {
-    SkBitmap src = this->getInputResult(0, proxy, source, matrix, loc);
+    SkBitmap src = source;
+    if (getInput(0) && !getInput(0)->filterImage(proxy, source, matrix, &src, loc)) {
+        return false;
+    }
+
     SkAutoTUnref<SkDevice> device(proxy->createDevice(src.width(), src.height()));
     SkCanvas canvas(device.get());
     SkPaint paint;
 
     paint.setXfermodeMode(SkXfermode::kSrc_Mode);
     paint.setColorFilter(fColorFilter);
     canvas.drawSprite(src, 0, 0, &paint);
 
     *result = device.get()->accessBitmap(false);
     return true;
 }
 
 bool SkColorFilterImageFilter::asColorFilter(SkColorFilter** filter) const {
     if (filter) {
         *filter = fColorFilter;
         fColorFilter->ref();
     }
     return true;
 }