TransformOperations should be able to blend outside the range [0, 1]

cc/animation/transform_operation.cc

Index: cc/animation/transform_operation.cc
diff --git a/cc/animation/transform_operation.cc b/cc/animation/transform_operation.cc
index e1468bff7017c2a4b7a85abd7746c18a4bf13694..854901dee4a59eada47fd9541ece0bc2a6164b3e 100644
--- a/cc/animation/transform_operation.cc
+++ b/cc/animation/transform_operation.cc
@@ -74,12 +74,6 @@ static bool ShareSameAxis(const TransformOperation* from,
 }
 
 static double BlendDoubles(double from, double to, double progress) {
-  if (progress <= 0.0)
-    return from;
-
-  if (progress >= 1.0)
-    return to;
-
   return from * (1 - progress) + to * progress;
 }