The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/7d6d85cc55de671a7585ecb356e2d1121d046a8b

commit 7d6d85cc55de671a7585ecb356e2d1121d046a8b
Author: estade <estade@chromium.org>
Date: Fri Mar 18 19:16:52 2016

Migrate ExtensionPopup from BubbleDelegateView to BubbleDialogDelegateView

In this particular case there's no behavior change and no huge win, except that it will allow
us to one day remove BubbleDelegateView completely (or greatly trim it down).

BUG= 591583 

Review URL: https://codereview.chromium.org/1808083002

Cr-Commit-Position: refs/heads/master@{#382042}

[modify] https://crrev.com/7d6d85cc55de671a7585ecb356e2d1121d046a8b/chrome/browser/chromeos/login/ui/simple_web_view_dialog.cc
[modify] https://crrev.com/7d6d85cc55de671a7585ecb356e2d1121d046a8b/chrome/browser/ui/views/extensions/extension_popup.cc
[modify] https://crrev.com/7d6d85cc55de671a7585ecb356e2d1121d046a8b/chrome/browser/ui/views/extensions/extension_popup.h
[modify] https://crrev.com/7d6d85cc55de671a7585ecb356e2d1121d046a8b/chrome/browser/ui/views/extensions/extension_popup_aura.cc