calc expressions should support time, angle and frequency values.

Source/core/css/resolver/CSSToStyleMap.cpp

Index: Source/core/css/resolver/CSSToStyleMap.cpp
diff --git a/Source/core/css/resolver/CSSToStyleMap.cpp b/Source/core/css/resolver/CSSToStyleMap.cpp
index 8ab3274129b3609a6529247a2f3e04f9885caa01..d7f8cc35773d3909efdc08048ad9591e068aa200 100644
--- a/Source/core/css/resolver/CSSToStyleMap.cpp
+++ b/Source/core/css/resolver/CSSToStyleMap.cpp
@@ -294,7 +294,7 @@ double CSSToStyleMap::mapAnimationDelay(CSSValue* value)
 {
     if (value->isInitialValue())
         return CSSTimingData::initialDelay();
-    return toCSSPrimitiveValue(value)->computeTime<double, CSSPrimitiveValue::Seconds>();
+    return toCSSPrimitiveValue(value)->computeSeconds();
 }
 
 Timing::PlaybackDirection CSSToStyleMap::mapAnimationDirection(CSSValue* value)
@@ -321,7 +321,7 @@ double CSSToStyleMap::mapAnimationDuration(CSSValue* value)
 {
     if (value->isInitialValue())
         return CSSTimingData::initialDuration();
-    return toCSSPrimitiveValue(value)->computeTime<double, CSSPrimitiveValue::Seconds>();
+    return toCSSPrimitiveValue(value)->computeSeconds();
 }
 
 Timing::FillMode CSSToStyleMap::mapAnimationFillMode(CSSValue* value)