Remove uniqueID from all filter serialization.

src/effects/SkRectShaderImageFilter.cpp

Index: src/effects/SkRectShaderImageFilter.cpp
diff --git a/src/effects/SkRectShaderImageFilter.cpp b/src/effects/SkRectShaderImageFilter.cpp
index a00994e75b64ffe5b5145822ac9a6c8db054a467..cdf03131c1cd89f1e0cf2ec2f97aaef9f4cf5983 100644
--- a/src/effects/SkRectShaderImageFilter.cpp
+++ b/src/effects/SkRectShaderImageFilter.cpp
@@ -23,21 +23,20 @@ SkRectShaderImageFilter* SkRectShaderImageFilter::Create(SkShader* s, const SkRe
     return s ? SkNEW_ARGS(SkRectShaderImageFilter, (s, &cropRect)) : NULL;
 }
 
-SkRectShaderImageFilter* SkRectShaderImageFilter::Create(SkShader* s, const CropRect* cropRect, uint32_t uniqueID) {
+SkRectShaderImageFilter* SkRectShaderImageFilter::Create(SkShader* s, const CropRect* cropRect) {
     SkASSERT(s);
-    return s ? SkNEW_ARGS(SkRectShaderImageFilter, (s, cropRect, uniqueID)) : NULL;
+    return s ? SkNEW_ARGS(SkRectShaderImageFilter, (s, cropRect)) : NULL;
 }
 
-SkRectShaderImageFilter::SkRectShaderImageFilter(SkShader* s, const CropRect* cropRect,
-                                                 uint32_t uniqueID)
-  : INHERITED(0, NULL, cropRect, uniqueID)
+SkRectShaderImageFilter::SkRectShaderImageFilter(SkShader* s, const CropRect* cropRect)
+  : INHERITED(0, NULL, cropRect)
   , fShader(SkRef(s)) {
 }
 
 SkFlattenable* SkRectShaderImageFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 0);
     SkAutoTUnref<SkShader> shader(buffer.readShader());
-    return Create(shader.get(), &common.cropRect(), common.uniqueID());
+    return Create(shader.get(), &common.cropRect());
 }
 
 void SkRectShaderImageFilter::flatten(SkWriteBuffer& buffer) const {