Fix template angle bracket syntax in animation

Source/core/animation/InterpolationEffect.cpp

Index: Source/core/animation/InterpolationEffect.cpp
diff --git a/Source/core/animation/InterpolationEffect.cpp b/Source/core/animation/InterpolationEffect.cpp
index 6989aa9abf11c16184924763d41f315a30955fec..7003e7322b444c46cb3fbc34ad7f78facfc262f5 100644
--- a/Source/core/animation/InterpolationEffect.cpp
+++ b/Source/core/animation/InterpolationEffect.cpp
@@ -10,7 +10,7 @@ namespace blink {
 void InterpolationEffect::getActiveInterpolations(double fraction, double iterationDuration, OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation>>>& result) const
 {
     if (!result)
-        result = adoptPtrWillBeNoop(new WillBeHeapVector<RefPtrWillBeMember<Interpolation> >());
+        result = adoptPtrWillBeNoop(new WillBeHeapVector<RefPtrWillBeMember<Interpolation>>());
 
     size_t existingSize = result->size();
     size_t resultIndex = 0;