Reimplement deserialization of SkImageFilter's uniqueID.

include/effects/SkMatrixConvolutionImageFilter.h

Index: include/effects/SkMatrixConvolutionImageFilter.h
diff --git a/include/effects/SkMatrixConvolutionImageFilter.h b/include/effects/SkMatrixConvolutionImageFilter.h
index d1ca052b02f2f39651718f2b31deab6f345c4052..e24d82329442c70818beef9b47703cd475233d80 100644
--- a/include/effects/SkMatrixConvolutionImageFilter.h
+++ b/include/effects/SkMatrixConvolutionImageFilter.h
@@ -60,10 +60,11 @@ public:
                                                   TileMode tileMode,
                                                   bool convolveAlpha,
                                                   SkImageFilter* input = NULL,
-                                                  const CropRect* cropRect = NULL) {
+                                                  const CropRect* cropRect = NULL,
+                                                  uint32_t uniqueID = 0) {
         return SkNEW_ARGS(SkMatrixConvolutionImageFilter, (kernelSize, kernel, gain, bias,
                                                            kernelOffset, tileMode, convolveAlpha,
-                                                           input, cropRect));
+                                                           input, cropRect, uniqueID));
     }
 
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMatrixConvolutionImageFilter)
@@ -77,7 +78,8 @@ protected:
                                    TileMode tileMode,
                                    bool convolveAlpha,
                                    SkImageFilter* input,
-                                   const CropRect* cropRect);
+                                   const CropRect* cropRect,
+                                   uint32_t uniqueID);
 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
     explicit SkMatrixConvolutionImageFilter(SkReadBuffer& buffer);
 #endif