Reimplement deserialization of SkImageFilter's uniqueID.

src/effects/SkMatrixImageFilter.cpp

 /*
  * 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.
  */
 
 #include "SkMatrixImageFilter.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkDevice.h"
 #include "SkColorPriv.h"
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
 #include "SkMatrix.h"
 #include "SkRect.h"
 
 SkMatrixImageFilter::SkMatrixImageFilter(const SkMatrix& transform,
                                          SkPaint::FilterLevel filterLevel,
-                                         SkImageFilter* input)
-  : INHERITED(1, &input),
+                                         SkImageFilter* input,
+                                         uint32_t uniqueID)
+  : INHERITED(1, &input, NULL, uniqueID),
     fTransform(transform),
     fFilterLevel(filterLevel) {
 }
 
 SkMatrixImageFilter* SkMatrixImageFilter::Create(const SkMatrix& transform,
                                                  SkPaint::FilterLevel filterLevel,
-                                                 SkImageFilter* input) {
-    return SkNEW_ARGS(SkMatrixImageFilter, (transform, filterLevel, input));
+                                                 SkImageFilter* input,
+                                                 uint32_t uniqueID) {
+    return SkNEW_ARGS(SkMatrixImageFilter, (transform, filterLevel, input, uniqueID));
 }
 
 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
 SkMatrixImageFilter::SkMatrixImageFilter(SkReadBuffer& buffer)
   : INHERITED(1, buffer) {
     buffer.readMatrix(&fTransform);
     fFilterLevel = static_cast<SkPaint::FilterLevel>(buffer.readInt());
 }
 #endif
 
 SkFlattenable* SkMatrixImageFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
     SkMatrix matrix;
     buffer.readMatrix(&matrix);
     SkPaint::FilterLevel level = static_cast<SkPaint::FilterLevel>(buffer.readInt());
-    return Create(matrix, level, common.getInput(0));
+    return Create(matrix, level, common.getInput(0), common.uniqueID());
 }
 
 void SkMatrixImageFilter::flatten(SkWriteBuffer& buffer) const {
     this->INHERITED::flatten(buffer);
     buffer.writeMatrix(fTransform);
     buffer.writeInt(fFilterLevel);
 }
 
 SkMatrixImageFilter::~SkMatrixImageFilter() {
 }
@@ skipping 71 matching lines @@
     matrix.mapRect(&floatBounds, SkRect::Make(src));
     SkIRect bounds;
     floatBounds.roundOut(&bounds);
     if (getInput(0) && !getInput(0)->filterBounds(bounds, ctm, &bounds)) {
         return false;
     }
 
     *dst = bounds;
     return true;
 }