GitLab

If webview is in software mode, then 2d canvas are created in software
mode. Make sure this works by getting the bitmap of a solid color
canvas.

Bug: 1027161
Change-Id: I99c547eb301f81940ea22ff8388243e3b711312d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1932418Reviewed-by: Tobias Sargeant <tobiasjs@chromium.org>
Commit-Queue: Bo <boliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#718791}