Transform animations should not collapse by default when interpolating

cc/test/animation_test_common.cc

Index: cc/test/animation_test_common.cc
diff --git a/cc/test/animation_test_common.cc b/cc/test/animation_test_common.cc
index cadf120ed3d3c67456f9ac9697df7b5659b3ec92..c5f34e04dba4f7ea98e20125cce71b7261500a5e 100644
--- a/cc/test/animation_test_common.cc
+++ b/cc/test/animation_test_common.cc
@@ -159,8 +159,9 @@ base::TimeDelta FakeTransformTransition::Duration() const {
   return duration_;
 }
 
-gfx::Transform FakeTransformTransition::GetValue(base::TimeDelta time) const {
-  return gfx::Transform();
+TransformOperations FakeTransformTransition::GetValue(
+    base::TimeDelta time) const {
+  return TransformOperations();
 }
 
 bool FakeTransformTransition::AnimatedBoundsForBox(const gfx::BoxF& box,