Store CSSPropertyID in SVGAnimatedPropertyBase

third_party/WebKit/Source/core/svg/properties/SVGPropertyInfo.h

Index: third_party/WebKit/Source/core/svg/properties/SVGPropertyInfo.h
diff --git a/third_party/WebKit/Source/core/svg/properties/SVGPropertyInfo.h b/third_party/WebKit/Source/core/svg/properties/SVGPropertyInfo.h
index eeaf2d10a90275b8270f489bb77dd2d1ce25bb25..0cf2047fb67b63c7851b3a5fed61fb91fe301db0 100644
--- a/third_party/WebKit/Source/core/svg/properties/SVGPropertyInfo.h
+++ b/third_party/WebKit/Source/core/svg/properties/SVGPropertyInfo.h
@@ -44,6 +44,8 @@ enum AnimatedPropertyType {
   AnimatedStringList,
   AnimatedTransform,
   AnimatedTransformList,
+  // If/when adding something to the end of this enumeration, also update the

[pdr., 2016/11/08 19:44:12]

WDYT of using the numbered enum pattern with NumberOfTypes as the last value?

E.g.,
enum AnimatedPropertyType {
  AnimatedUnknown = 0,
  AnimatedAngle = 1,
  ...
  NumberOfAnimatedPropertyTypes = 21
}

[fs, 2016/11/09 17:37:42]

I added a NumberOfAnimatedPropertyTypes sentinel, but I did not explicit values,
because would just add (unneeded) redundancy.

+  // assert in SVGAnimatedPropertyBase.
 };
 
 }  // namespace blink