Reimplement deserialization of SkImageFilter's uniqueID.

src/effects/SkBlurImageFilter.cpp

 /*
  * Copyright 2011 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 "SkBitmap.h"
 #include "SkBlurImageFilter.h"
 #include "SkColorPriv.h"
@@ skipping 20 matching lines @@
     buffer.validate(SkScalarIsFinite(fSigma.fWidth) &&
                     SkScalarIsFinite(fSigma.fHeight) &&
                     (fSigma.fWidth >= 0) &&
                     (fSigma.fHeight >= 0));
 }
 #endif
 
 SkBlurImageFilter::SkBlurImageFilter(SkScalar sigmaX,
                                      SkScalar sigmaY,
                                      SkImageFilter* input,
-                                     const CropRect* cropRect)
-    : INHERITED(1, &input, cropRect), fSigma(SkSize::Make(sigmaX, sigmaY)) {
-    SkASSERT(sigmaX >= 0 && sigmaY >= 0);
+                                     const CropRect* cropRect,
+                                     uint32_t uniqueID)
+    : INHERITED(1, &input, cropRect, uniqueID), fSigma(SkSize::Make(sigmaX, sigmaY)) {
 }
 
 SkFlattenable* SkBlurImageFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
     SkScalar sigmaX = buffer.readScalar();
     SkScalar sigmaY = buffer.readScalar();
-    return Create(sigmaX, sigmaY, common.getInput(0), &common.cropRect());
+    return Create(sigmaX, sigmaY, common.getInput(0), &common.cropRect(), common.uniqueID());
 }
 
 void SkBlurImageFilter::flatten(SkWriteBuffer& buffer) const {
     this->INHERITED::flatten(buffer);
     buffer.writeScalar(fSigma.fWidth);
     buffer.writeScalar(fSigma.fHeight);
 }
 
 enum BlurDirection {
     kX, kY
@@ skipping 230 matching lines @@
                                                              true,
                                                              sigma.x(),
                                                              sigma.y()));
     WrapTexture(tex, rect.width(), rect.height(), result);
     return true;
 #else
     SkDEBUGFAIL("Should not call in GPU-less build");
     return false;
 #endif
 }