Replace NavigationItemCommitted with DidFinishNavigation in WebTestWithWebState.

NavigationItemCommitted is deprecated and should be removed.
DidFinishNavigation is more general purpose method, which is called when
navigation is committed, replaced or aborted.

Bug: 781534
Change-Id: I77d79970548e4d5291b9953c09490fddb50c6d72
Reviewed-on: https://chromium-review.googlesource.com/c/1406076
Reviewed-by: Danyao Wang <danyao@chromium.org>
Commit-Queue: Eugene But <eugenebut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#622074}
1 file changed