Update SkMergeImageFilter to sk_sp

src/effects/SkMatrixConvolutionImageFilter.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 "SkMatrixConvolutionImageFilter.h"
 #include "SkBitmap.h"
 #include "SkColorPriv.h"
@@ skipping 79 matching lines @@
         return nullptr;
     }
     SkScalar gain = buffer.readScalar();
     SkScalar bias = buffer.readScalar();
     SkIPoint kernelOffset;
     kernelOffset.fX = buffer.readInt();
     kernelOffset.fY = buffer.readInt();
     TileMode tileMode = (TileMode)buffer.readInt();
     bool convolveAlpha = buffer.readBool();
     return Create(kernelSize, kernel.get(), gain, bias, kernelOffset, tileMode, convolveAlpha,
-                  common.getInput(0), &common.cropRect());
+                  common.getInput(0).get(), &common.cropRect());
 }
 
 void SkMatrixConvolutionImageFilter::flatten(SkWriteBuffer& buffer) const {
     this->INHERITED::flatten(buffer);
     buffer.writeInt(fKernelSize.fWidth);
     buffer.writeInt(fKernelSize.fHeight);
     buffer.writeScalarArray(fKernel, fKernelSize.fWidth * fKernelSize.fHeight);
     buffer.writeScalar(fGain);
     buffer.writeScalar(fBias);
     buffer.writeInt(fKernelOffset.fX);
@@ skipping 279 matching lines @@
             str->appendf("%f ", fKernel[y * fKernelSize.width() + x]);
         }
     }
     str->appendf(")");
     str->appendf("gain: %f bias: %f ", fGain, fBias);
     str->appendf("offset: (%d, %d) ", fKernelOffset.fX, fKernelOffset.fY);
     str->appendf("convolveAlpha: %s", fConvolveAlpha ? "true" : "false");
     str->append(")");
 }
 #endif