e35f398779
Closes https://github.com/dart-lang/sdk/issues/41699 createFragment should accept a nullable html string in its implementation. As such, usages of createFragment within dart:html are modified as well so the html string does not have to be non-nullable. Change-Id: Ia04ad2da9e2a48cabda8774f0af75559fb03a7d2 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/145570 Reviewed-by: Sigmund Cherem <sigmund@google.com> Reviewed-by: Nicholas Shahan <nshahan@google.com> Commit-Queue: Srujan Gaddam <srujzs@google.com>