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

src/core/SkImageFilter.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 "SkImageFilter.h"
 
 #include "SkBitmap.h"
@@ skipping 51 matching lines @@
     buffer.writeInt(fInputCount);
     for (int i = 0; i < fInputCount; i++) {
         SkImageFilter* input = getInput(i);
         buffer.writeBool(input != NULL);
         if (input != NULL) {
             buffer.writeFlattenable(input);
         }
     }
 }
 
-SkBitmap SkImageFilter::getInputResult(int index, Proxy* proxy,
-                                       const SkBitmap& src, const SkMatrix& ctm,
-                                       SkIPoint* loc) {
-    SkASSERT(index < fInputCount);
-    SkImageFilter* input = getInput(index);
-    SkBitmap result;
-    if (input && input->filterImage(proxy, src, ctm, &result, loc)) {
-        return result;
-    } else {
-        return src;
-    }
-}
-
-
 bool SkImageFilter::filterImage(Proxy* proxy, const SkBitmap& src,
                                 const SkMatrix& ctm,
                                 SkBitmap* result, SkIPoint* loc) {
     SkASSERT(result);
     SkASSERT(loc);
     /*
      *  Give the proxy first shot at the filter. If it returns false, ask
      *  the filter to do it.
      */
     return (proxy && proxy->filterImage(this, src, ctm, result, loc)) ||
@@ skipping 60 matching lines @@
     return true;
 }
 
 bool SkImageFilter::asNewEffect(GrEffectRef**, GrTexture*) const {
     return false;
 }
 
 bool SkImageFilter::asColorFilter(SkColorFilter**) const {
     return false;
 }