GitLab

Non CRWNativeContent NTP pages do not load instantly, and instead
load similarly to web view page loads.  Add logic to wait for the
webState to finish loading and the NTP animation to complete.

Bug: 783192
Change-Id: If3d47e7467c2831697ae8baf9fd8f6755aa535af
Reviewed-on: https://chromium-review.googlesource.com/c/1324229Reviewed-by: Peter Lee <pkl@chromium.org>
Reviewed-by: Eugene But <eugenebut@chromium.org>
Commit-Queue: Justin Cohen <justincohen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#607338}