NavigationSimulator: convert tests.

Convert almost all calls to
TestRenderFrameHost::NavigateAndCommitRendererInititiated() into
NavigationSimulator::NavigateAndCommitFromDocument().

Bug: 728571
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_site_isolation
Change-Id: Ib800df29a3833dae09d59c81a5d0076dfb66b1f8
Reviewed-on: https://chromium-review.googlesource.com/608237
Reviewed-by: Camille Lamy <clamy@chromium.org>
Commit-Queue: Arthur Sonzogni <arthursonzogni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#494818}
4 files changed