GitLab

Call sites of UnifiedSystemTrayView::CreateBackground have been removed
at crrev.com/c/2015577. The background of system tray now is controlled
inside TrayBubbleView by UnifiedSystemTrayView::GetBackgroundColor().

SwitchAccessBackButtonView doesn't inherit from TrayBubbleView, it
should not use the related logic. And its color is actually controlled
inside SwitchAccessBackButtonView::OnPaint.

Bug: 1107056
Change-Id: I13a8ac764fa6fbaa1dede9bdc7b3f6fedfe95b14
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2430323Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Commit-Queue: Min Chen <minch@chromium.org>
Cr-Commit-Position: refs/heads/master@{#810483}