CSSValue Immediates: Change CSSValue to an object instead of a pointer

Source/core/animation/animatable/AnimatableUnknownTest.cpp

Index: Source/core/animation/animatable/AnimatableUnknownTest.cpp
diff --git a/Source/core/animation/animatable/AnimatableUnknownTest.cpp b/Source/core/animation/animatable/AnimatableUnknownTest.cpp
index 4ed811d930d3461d3df62dc0239045b0dd6bb3f4..9cf25f427b00584efb251e67fb97f7437f631bad 100644
--- a/Source/core/animation/animatable/AnimatableUnknownTest.cpp
+++ b/Source/core/animation/animatable/AnimatableUnknownTest.cpp
@@ -41,6 +41,10 @@ using namespace blink;
 namespace {
 
 class AnimationAnimatableUnknownTest : public ::testing::Test {
+public:
+    AnimationAnimatableUnknownTest()
+        : cssValue(cssValuePool().createIdentifierValue(CSSValueYellow)),
+        otherCSSValue(cssValuePool().createIdentifierValue(CSSValueOrange)) { };
 protected:
     virtual void SetUp()
     {
@@ -51,9 +55,9 @@ protected:
         otherAnimatableUnknown = AnimatableUnknown::create(otherCSSValue);
     }
 
-    RefPtrWillBePersistent<CSSValue> cssValue;
+    CSSValue cssValue;
     RefPtrWillBePersistent<AnimatableValue> animatableUnknown;
-    RefPtrWillBePersistent<CSSValue> otherCSSValue;
+    CSSValue otherCSSValue;
     RefPtrWillBePersistent<AnimatableValue> otherAnimatableUnknown;
 };