CL for perf tryjob on win

Source/core/animation/AnimationInputHelpers.cpp

Index: Source/core/animation/AnimationInputHelpers.cpp
diff --git a/Source/core/animation/AnimationInputHelpers.cpp b/Source/core/animation/AnimationInputHelpers.cpp
index 22687ac7a71bcc065a6f17eef7ddbc25d58b7a55..9449f43176d5018961dd6d6633e7e3e3daf4f64f 100644
--- a/Source/core/animation/AnimationInputHelpers.cpp
+++ b/Source/core/animation/AnimationInputHelpers.cpp
@@ -33,12 +33,12 @@ PassRefPtr<TimingFunction> AnimationInputHelpers::parseTimingFunction(const Stri
     if (string.isEmpty())
         return nullptr;
 
-    RefPtrWillBeRawPtr<CSSValue> value = CSSParser::parseSingleValue(CSSPropertyTransitionTimingFunction, string);
+    NullableCSSValue value = CSSParser::parseSingleValue(CSSPropertyTransitionTimingFunction, string);
     if (!value || !value->isValueList()) {
         ASSERT(!value || value->isCSSWideKeyword());
         return nullptr;
     }
-    CSSValueList* valueList = toCSSValueList(value.get());
+    CSSValueList* valueList = toCSSValueList(value);
     if (valueList->length() > 1)
         return nullptr;
     return CSSToStyleMap::mapAnimationTimingFunction(valueList->item(0), true);