Implement crop rect for lighting image filters.

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 547 matching lines @@
                                              kernelSize,
                                              kernel.get(),
                                              gain,
                                              bias,
                                              target,
                                              tileMode,
                                              convolveAlpha);
 }
 
 bool SkMatrixConvolutionImageFilter::asNewEffect(GrEffectRef** effect,
-                                                 GrTexture* texture) const {
+                                                 GrTexture* texture,
+                                                 const SkIPoint&) const {
     if (!effect) {
         return fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE;
     }
     SkASSERT(fKernelSize.width() * fKernelSize.height() <= MAX_KERNEL_SIZE);
     *effect = GrMatrixConvolutionEffect::Create(texture,
                                                 fKernelSize,
                                                 fKernel,
                                                 fGain,
                                                 fBias,
                                                 fTarget,
                                                 fTileMode,
                                                 fConvolveAlpha);
     return true;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 #endif