Web Animations CSS: Support animation of {text,box,-webkit-box}-shadow and fix blur clamping

Source/core/css/resolver/AnimatedStyleBuilder.cpp

Index: Source/core/css/resolver/AnimatedStyleBuilder.cpp
diff --git a/Source/core/css/resolver/AnimatedStyleBuilder.cpp b/Source/core/css/resolver/AnimatedStyleBuilder.cpp
index bfa3eef8c28b63effd9a066e70db45f2e825f933..15483690bfba239c47a3500434a1d67e9cbbb17b 100644
--- a/Source/core/css/resolver/AnimatedStyleBuilder.cpp
+++ b/Source/core/css/resolver/AnimatedStyleBuilder.cpp
@@ -43,6 +43,7 @@
 #include "core/animation/AnimatableRepeatable.h"
 #include "core/animation/AnimatableSVGLength.h"
 #include "core/animation/AnimatableSVGPaint.h"
+#include "core/animation/AnimatableShadow.h"
 #include "core/animation/AnimatableShapeValue.h"
 #include "core/animation/AnimatableStrokeDasharrayList.h"
 #include "core/animation/AnimatableTransform.h"
@@ -288,6 +289,10 @@ void AnimatedStyleBuilder::applyProperty(CSSPropertyID property, StyleResolverSt
     case CSSPropertyBottom:
         style->setBottom(animatableValueToLength(value, state));
         return;
+    case CSSPropertyBoxShadow:
+    case CSSPropertyWebkitBoxShadow:
+        style->setBoxShadow(toAnimatableShadow(value)->shadowList());
+        return;
     case CSSPropertyClip:
         style->setClip(animatableValueToLengthBox(value, state));
         style->setHasClip(true);
@@ -433,6 +438,9 @@ void AnimatedStyleBuilder::applyProperty(CSSPropertyID property, StyleResolverSt
     case CSSPropertyTextIndent:
         style->setTextIndent(animatableValueToLength(value, state));
         return;
+    case CSSPropertyTextShadow:
+        style->setTextShadow(toAnimatableShadow(value)->shadowList());
+        return;
     case CSSPropertyTop:
         style->setTop(animatableValueToLength(value, state));
         return;