Remove linked_ptr from chrome/browser/ui/.

BUG=556939

Change-Id: I0bb5e64f47203e3f71f0bf8eef8eaa6c449ad7b0
Reviewed-on: https://chromium-review.googlesource.com/c/1357552
Commit-Queue: Sidney San Martín <sdy@chromium.org>
Reviewed-by: Sidney San Martín <sdy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#613111}
2 files changed