tree 301701999c83e2da14af844cbe0650969f1b781d
parent 1fbab1d1a4245b4f86b0847ae15bcdbb136c77ee
author mrefaat <mrefaat@chromium.org> 1558359723 +0000
committer Commit Bot <commit-bot@chromium.org> 1558359723 +0000

Stop MainController from observing TabModel

This CL:
1- Replaces TabModelObserver by WebStateListObserving protocol and
implements DidRemoveWebState in MainController.
2- Changes the BrowserViewWrangler to take a WebStateListObserving
Delegate instead of TabModelObserver, and use a separate observerBridge
to track the delegate observer.

Bug: 911350
Change-Id: I627df2fe7b76fd298a2c52b5f41e053b2146bc2d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1600261
Commit-Queue: Mohammad Refaat <mrefaat@chromium.org>
Reviewed-by: Mark Cogan <marq@chromium.org>
Cr-Commit-Position: refs/heads/master@{#661329}