Fix template angle bracket syntax in animation

Source/core/animation/animatable/AnimatableValueTestHelper.cpp

Index: Source/core/animation/animatable/AnimatableValueTestHelper.cpp
diff --git a/Source/core/animation/animatable/AnimatableValueTestHelper.cpp b/Source/core/animation/animatable/AnimatableValueTestHelper.cpp
index 5b02a045c3d8f9f2e1bc9c0b7d0fe4492121ea12..501999b2a59926190329a6c85f4a069efcaa7be5 100644
--- a/Source/core/animation/animatable/AnimatableValueTestHelper.cpp
+++ b/Source/core/animation/animatable/AnimatableValueTestHelper.cpp
@@ -65,8 +65,8 @@ void PrintTo(const AnimatableRepeatable& animValue, ::std::ostream* os)
 {
     *os << "AnimatableRepeatable(";
 
-    const WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> > v = animValue.values();
-    for (WillBeHeapVector<RefPtrWillBeMember<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 << ", ";