Remove uniqueID from all filter serialization.

include/effects/SkPictureImageFilter.h

Index: include/effects/SkPictureImageFilter.h
diff --git a/include/effects/SkPictureImageFilter.h b/include/effects/SkPictureImageFilter.h
index 332663f73055c06e42312d94ce2d61146a4501f4..21d25c46935b4088f001a7c8497225aa5a3b8075 100644
--- a/include/effects/SkPictureImageFilter.h
+++ b/include/effects/SkPictureImageFilter.h
@@ -16,17 +16,16 @@ public:
     /**
      *  Refs the passed-in picture.
      */
-    static SkPictureImageFilter* Create(const SkPicture* picture, int32_t uniqueID = 0) {
-        return SkNEW_ARGS(SkPictureImageFilter, (picture, uniqueID));
+    static SkPictureImageFilter* Create(const SkPicture* picture) {
+        return SkNEW_ARGS(SkPictureImageFilter, (picture));
     }
 
     /**
      *  Refs the passed-in picture. cropRect can be used to crop or expand the destination rect when
      *  the picture is drawn. (No scaling is implied by the dest rect; only the CTM is applied.)
      */
-    static SkPictureImageFilter* Create(const SkPicture* picture, const SkRect& cropRect,
-                                        uint32_t uniqueID = 0) {
-        return SkNEW_ARGS(SkPictureImageFilter, (picture, cropRect, uniqueID,
+    static SkPictureImageFilter* Create(const SkPicture* picture, const SkRect& cropRect) {
+        return SkNEW_ARGS(SkPictureImageFilter, (picture, cropRect,
                                                  kDeviceSpace_PictureResolution,
                                                  kLow_SkFilterQuality));
     }
@@ -40,17 +39,15 @@ public:
      */
     static SkPictureImageFilter* CreateForLocalSpace(const SkPicture* picture,
                                                      const SkRect& cropRect,
-                                                     SkFilterQuality filterQuality,
-                                                     uint32_t uniqueID = 0) {
-        return SkNEW_ARGS(SkPictureImageFilter, (picture, cropRect, uniqueID,
+                                                     SkFilterQuality filterQuality) {
+        return SkNEW_ARGS(SkPictureImageFilter, (picture, cropRect,
                                                  kLocalSpace_PictureResolution, filterQuality));
     }
 #ifdef SK_SUPPORT_LEGACY_FILTERLEVEL_ENUM
     static SkPictureImageFilter* CreateForLocalSpace(const SkPicture* picture,
                                                      const SkRect& cropRect,
-                                                     SkPaint::FilterLevel filterLevel,
-                                                     uint32_t uniqueID = 0) {
-        return CreateForLocalSpace(picture, cropRect, (SkFilterQuality)filterLevel, uniqueID);
+                                                     SkPaint::FilterLevel filterLevel) {
+        return CreateForLocalSpace(picture, cropRect, (SkFilterQuality)filterLevel);
     }
 #endif
     SK_TO_STRING_OVERRIDE()
@@ -62,8 +59,8 @@ protected:
         kLocalSpace_PictureResolution
     };
 
-    explicit SkPictureImageFilter(const SkPicture* picture, uint32_t uniqueID);
-    SkPictureImageFilter(const SkPicture* picture, const SkRect& cropRect, uint32_t uniqueID,
+    explicit SkPictureImageFilter(const SkPicture* picture);
+    SkPictureImageFilter(const SkPicture* picture, const SkRect& cropRect,
                          PictureResolution, SkFilterQuality);
     virtual ~SkPictureImageFilter();
     /*  Constructs an SkPictureImageFilter object from an SkReadBuffer.