commit adca986a53b31b6da4cb22f8e755f6856daea89a
author creis <creis@chromium.org> Fri Jun 16 19:12:11 2017
committer Commit Bot <commit-bot@chromium.org> Fri Jun 16 19:12:11 2017
tree b45ae3637fa0828d7ee9528e0d6c2976cc1f8175
parent 999b0f4564e26b2ee69ff18595fb953c5acfa1f0

Don't show current RenderWidgetHostView while interstitial is showing.

Also moves interstitial page tracking from RenderFrameHostManager to
WebContents, since interstitial pages are not frame-specific. This was
necessary for subframes to detect if an interstitial page is showing.

BUG=729105
TEST=See comment 13 of bug for repro steps
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_site_isolation

Review-Url: https://codereview.chromium.org/2938313002
Cr-Commit-Position: refs/heads/master@{#480117}