GitLab

This closes SharingDialogViews when the main frame navigates to a
different origin. Right now this only affects the SharingDialog and
(for CrOS) the IntentPickerBubbleView but will be enabled for all
subclasses of LocationBarBubbleDelegateView in a subsequent change.

Bug: 1027408
Change-Id: I07ca9ce55042265d85e56a84c5e43efa3cb026d0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1948839
Commit-Queue: Richard Knoll <knollr@chromium.org>
Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Reviewed-by: Emily Stark <estark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#721565}