PlzNavigate: Refactoring unit tests to use NavigationSimulator

Removed (almost) all usage of WebContentsTester::TestDidNavigate in
safe_browsing_blocking_page_unittest.cc.

Bug: 728571
Change-Id: Id16f7f26c7f88fcfe5bf41c8c8de9f8fb0580353
Reviewed-on: https://chromium-review.googlesource.com/640693
Reviewed-by: Camille Lamy <clamy@chromium.org>
Reviewed-by: Adrienne Porter Felt <felt@chromium.org>
Commit-Queue: Arthur Hemery <ahemery@chromium.org>
Cr-Commit-Position: refs/heads/master@{#498768}
1 file changed