Remove all references to NavigationLoaderOnUI in chrome/ and android_webview/

Next CL will remove references in content/

Bug: 824840
Change-Id: Ia002662d91d397b26cd2877dd4da30b6343d2e80
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1731919
Reviewed-by: John Abd-El-Malek <jam@chromium.org>
Commit-Queue: Clark DuVall <cduvall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683458}
10 files changed