Transform animations should not collapse by default when interpolating

cc/animation/keyframed_animation_curve.cc

Index: cc/animation/keyframed_animation_curve.cc
diff --git a/cc/animation/keyframed_animation_curve.cc b/cc/animation/keyframed_animation_curve.cc
index 9094546c9c595234b1d5082701db1e94c4b4e051..be6399f2c1db7813fe11ac620e930c21ffeacb59 100644
--- a/cc/animation/keyframed_animation_curve.cc
+++ b/cc/animation/keyframed_animation_curve.cc
@@ -343,13 +343,13 @@ std::unique_ptr<AnimationCurve> KeyframedTransformAnimationCurve::Clone()
   return std::move(to_return);
 }
 
-gfx::Transform KeyframedTransformAnimationCurve::GetValue(
+TransformOperations KeyframedTransformAnimationCurve::GetValue(
     base::TimeDelta t) const {
   if (t <= TimeUtil::Scale(keyframes_.front()->Time(), scaled_duration()))
-    return keyframes_.front()->Value().Apply();
+    return keyframes_.front()->Value();
 
   if (t >= TimeUtil::Scale(keyframes_.back()->Time(), scaled_duration()))
-    return keyframes_.back()->Value().Apply();
+    return keyframes_.back()->Value();
 
   t = TransformedAnimationTime(keyframes_, timing_function_, scaled_duration(),
                                t);