The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d2e1107a9674b9268acecf5f78df7616fd010eb0

commit d2e1107a9674b9268acecf5f78df7616fd010eb0
Author: Amirhossein Simjour <asimjour@chromium.org>
Date: Wed Apr 11 23:18:51 2018

Move UiWidgetFactory to org.chromium.ui.widget

UiWidgetFactory is not popup, so it should be moved
from org.chromium.ui.widget.popups to org.chromium.ui.widget

Bug:  813917 
Change-Id: I8056b456bfa71e5de51bbd0fe244e5b347f57b0d
Reviewed-on: https://chromium-review.googlesource.com/1005793
Reviewed-by: Ted Choc <tedchoc@chromium.org>
Commit-Queue: Amirhossein Simjour <asimjour@chromium.org>
Cr-Commit-Position: refs/heads/master@{#549968}
[modify] https://crrev.com/d2e1107a9674b9268acecf5f78df7616fd010eb0/chrome/android/java/src/org/chromium/chrome/browser/vr_shell/VrShellDelegate.java
[modify] https://crrev.com/d2e1107a9674b9268acecf5f78df7616fd010eb0/chrome/android/java/src/org/chromium/chrome/browser/vr_shell/VrUiWidgetFactory.java
[modify] https://crrev.com/d2e1107a9674b9268acecf5f78df7616fd010eb0/ui/android/BUILD.gn
[modify] https://crrev.com/d2e1107a9674b9268acecf5f78df7616fd010eb0/ui/android/java/src/org/chromium/ui/widget/AnchoredPopupWindow.java
[modify] https://crrev.com/d2e1107a9674b9268acecf5f78df7616fd010eb0/ui/android/java/src/org/chromium/ui/widget/Toast.java
[rename] https://crrev.com/d2e1107a9674b9268acecf5f78df7616fd010eb0/ui/android/java/src/org/chromium/ui/widget/UiWidgetFactory.java

removing the milestone since this needs a bigger change in ModalDialogManager.