Reimplement deserialization of SkImageFilter's uniqueID.

include/effects/SkMatrixImageFilter.h

 /*
  * Copyright 2014 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.
  */
 
 #ifndef SkMatrixImageFilter_DEFINED
 #define SkMatrixImageFilter_DEFINED
 
@@ skipping 12 matching lines @@
 public:
     /** Construct a 2D transformation image filter.
      *  @param transform    The matrix to apply when drawing the src bitmap
      *  @param filterLevel  The quality of filtering to apply when scaling.
      *  @param input        The input image filter.  If NULL, the src bitmap
      *                      passed to filterImage() is used instead.
      */
 
     static SkMatrixImageFilter* Create(const SkMatrix& transform,
                                        SkPaint::FilterLevel,
-                                       SkImageFilter* input = NULL);
+                                       SkImageFilter* input = NULL,
+                                       uint32_t uniqueID = 0);
     virtual ~SkMatrixImageFilter();
 
     virtual void computeFastBounds(const SkRect&, SkRect*) const SK_OVERRIDE;
 
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMatrixImageFilter)
 
 protected:
     SkMatrixImageFilter(const SkMatrix& transform,
                         SkPaint::FilterLevel,
-                        SkImageFilter* input);
+                        SkImageFilter* input,
+                        uint32_t uniqueID);
 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
     SkMatrixImageFilter(SkReadBuffer& buffer);
 #endif
     virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
 
     virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
                                SkBitmap* result, SkIPoint* loc) const SK_OVERRIDE;
     virtual bool onFilterBounds(const SkIRect& src, const SkMatrix&,
                                 SkIRect* dst) const SK_OVERRIDE;
 
 private:
     SkMatrix              fTransform;
     SkPaint::FilterLevel  fFilterLevel;
     typedef SkImageFilter INHERITED;
 };
 
 #endif