Oilpan: Move AnimatableValue's hierarchy to oilpan's heap

Source/core/animation/AnimatableValueTestHelper.cpp

Index: Source/core/animation/AnimatableValueTestHelper.cpp
diff --git a/Source/core/animation/AnimatableValueTestHelper.cpp b/Source/core/animation/AnimatableValueTestHelper.cpp
index 496635822cb751a0a0767d2246ac27927312e4b4..66c2d09dc1315bf24667b2bff0b75997a6bbebf8 100644
--- a/Source/core/animation/AnimatableValueTestHelper.cpp
+++ b/Source/core/animation/AnimatableValueTestHelper.cpp
@@ -32,8 +32,6 @@
 
 #include "core/animation/AnimatableValueTestHelper.h"
 
-
-
 namespace WebCore {
 
 bool operator==(const AnimatableValue& a, const AnimatableValue& b)
@@ -108,8 +106,8 @@ void PrintTo(const AnimatableRepeatable& animValue, ::std::ostream* os)
 {
     *os << "AnimatableRepeatable(";
 
-    const Vector<RefPtr<AnimatableValue> > v = animValue.values();
-    for (Vector<RefPtr<AnimatableValue> >::const_iterator it = v.begin(); it != v.end(); ++it) {
+    const WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> > v = animValue.values();
+    for (WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> >::const_iterator it = v.begin(); it != v.end(); ++it) {
         PrintTo(*(it->get()), os);
         if (it+1 != v.end())
             *os << ", ";