Update SkMergeImageFilter to sk_sp

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 "SkCanvas.h"
@@ skipping 26 matching lines @@
 SkColorFilterImageFilter::SkColorFilterImageFilter(SkColorFilter* cf,
                                                    SkImageFilter* input,
                                                    const CropRect* cropRect)
     : INHERITED(1, &input, cropRect)
     , fColorFilter(SkRef(cf)) {
 }
 
 SkFlattenable* SkColorFilterImageFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
     sk_sp<SkColorFilter> cf(buffer.readColorFilter());
-    return Create(cf.get(), common.getInput(0), &common.cropRect());
+    return Create(cf.get(), common.getInput(0).get(), &common.cropRect());
 }
 
 void SkColorFilterImageFilter::flatten(SkWriteBuffer& buffer) const {
     this->INHERITED::flatten(buffer);
     buffer.writeFlattenable(fColorFilter.get());
 }
 
 sk_sp<SkSpecialImage> SkColorFilterImageFilter::onFilterImage(SkSpecialImage* source,
                                                               const Context& ctx,
                                                               SkIPoint* offset) const {
@@ skipping 64 matching lines @@
     if (this->getInput(0)) {
         this->getInput(0)->toString(str);
     }
 
     str->appendf(") color filter: ");
     fColorFilter->toString(str);
 
     str->append(")");
 }
 #endif