Remove pre-refresh code in browser frame.

Bug: none
Change-Id: I1968359861e40606e6c7336ad7a80371224da76e
Reviewed-on: https://chromium-review.googlesource.com/1255632
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Reviewed-by: Bret Sepulveda <bsep@chromium.org>
Cr-Commit-Position: refs/heads/master@{#596278}
22 files changed