GitLab

This change converts PrerenderCanceler mojom interface client in
components to use BrowserInterfaceBroker.
Since PrerenderContents is a WebContentsObserver, a static helper
function is used to register its binder.

Bug: 936482
Change-Id: I9e8e72a5802dce3cb4a3b88bfdcacdea6e10bf28
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1895108
Commit-Queue: Miyoung Shin <myid.shin@igalia.com>
Reviewed-by: Tarun Bansal <tbansal@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Avi Drissman <avi@chromium.org>
Reviewed-by: Sam McNally <sammc@chromium.org>
Reviewed-by: Oksana Zhuravlova <oksamyt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#713322}