GitLab

For get_characterExtents() at the offset just past the last character,
return bounds equivalent to the caret's bounds if it
placed there, e.g. width of 1, but the same height as the current line.

Bug: 869985
Change-Id: Ib544b863c1fd7ab132dc5ff4ddbeebdde8ed342b
Reviewed-on: https://chromium-review.googlesource.com/1157228
Commit-Queue: Aaron Leventhal <aleventhal@chromium.org>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#595194}