Web Animations CSS: Support animation of fill and stroke

Source/core/animation/css/CSSAnimatableValueFactory.cpp

Index: Source/core/animation/css/CSSAnimatableValueFactory.cpp
diff --git a/Source/core/animation/css/CSSAnimatableValueFactory.cpp b/Source/core/animation/css/CSSAnimatableValueFactory.cpp
index 61306fa81bb36e144f1f3ee08f890762f7ec6557..a533c9e937d76076b4666fc43d4faf38988fc027 100644
--- a/Source/core/animation/css/CSSAnimatableValueFactory.cpp
+++ b/Source/core/animation/css/CSSAnimatableValueFactory.cpp
@@ -37,6 +37,7 @@
 #include "core/animation/AnimatableLengthBox.h"
 #include "core/animation/AnimatableLengthSize.h"
 #include "core/animation/AnimatableNumber.h"
+#include "core/animation/AnimatableSVGPaint.h"
 #include "core/animation/AnimatableTransform.h"
 #include "core/animation/AnimatableUnknown.h"
 #include "core/animation/AnimatableVisibility.h"
@@ -172,6 +173,8 @@ PassRefPtr<AnimatableValue> CSSAnimatableValueFactory::create(CSSPropertyID prop
         return createFromLengthBox(style->clip(), style);
     case CSSPropertyColor:
         return createFromColor(property, style);
+    case CSSPropertyFill:
+        return AnimatableSVGPaint::create(style->svgStyle()->fillPaintType(), style->svgStyle()->fillPaintColor(), style->svgStyle()->fillPaintUri());
     case CSSPropertyHeight:
         return createFromLength(style->height(), style);
     case CSSPropertyListStyleImage:
@@ -212,6 +215,8 @@ PassRefPtr<AnimatableValue> CSSAnimatableValueFactory::create(CSSPropertyID prop
         return createFromLength(style->paddingTop(), style);
     case CSSPropertyRight:
         return createFromLength(style->right(), style);
+    case CSSPropertyStroke:
+        return AnimatableSVGPaint::create(style->svgStyle()->strokePaintType(), style->svgStyle()->strokePaintColor(), style->svgStyle()->strokePaintUri());
     case CSSPropertyTextDecorationColor:
         return createFromColor(property, style);
     case CSSPropertyTextIndent: