Similar to the previous CL for Add Import Prefix, this adds support for prompting for a name for "Add Constructor Name" if Interactive Forms are available.
Change-Id: I952695df03016a549345f329ac04961d7c279af1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/509380
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Reviewed-by: Samuel Rawlins <srawlins@google.com>
Danny Tuppeny
dbe61d2ece