SelectFileDialogExtension : Make it posssible to pass an Android window as owner window

Bug: 971499
Change-Id: Ifef681fbeccc902a80df145b61830c74ae6be7b4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1670136
Reviewed-by: Ryo Hashimoto <hashimoto@chromium.org>
Reviewed-by: Sam McNally <sammc@chromium.org>
Commit-Queue: Satoshi Niwa <niwa@chromium.org>
Cr-Commit-Position: refs/heads/master@{#671990}
5 files changed