TEST Check that PageTransition keeps bf flag

TEST Check that PageTransition keeps bf flag

BUG=
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_site_isolation

[clamy, 2017-06-19 16:35:28]

Description was changed from

==========
TEST Check that PageTransition keeps bf flag

BUG=
==========

to

==========
TEST Check that PageTransition keeps bf flag

BUG=
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_site_isolation
==========

[clamy, 2017-06-19 16:35:43]

The CQ bit was checked by clamy@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-06-19 16:35:56]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-06-19 16:53:30]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-06-19 16:53:31]

Dry run: Try jobs failed on following builders:
  linux_chromium_headless_rel on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[nasko, 2017-06-23 13:40:38]

nasko@chromium.org changed reviewers:
+ nasko@chromium.org

[nasko, 2017-06-23 13:40:39]

https://codereview.chromium.org/2951483002/diff/1/content/browser/frame_host/...
File content/browser/frame_host/navigation_handle_impl.cc (right):

https://codereview.chromium.org/2951483002/diff/1/content/browser/frame_host/...
content/browser/frame_host/navigation_handle_impl.cc:747: params.transition &
ui::PAGE_TRANSITION_FORWARD_BACK);
One of the cases where this is hit is for history navigation to a NavEntry
result from pushState. The handle starts with empty page transition, we don't
have a network request to update it, then at commit time we get a back/forward
transition, which doesn't match the empty transition.

[clamy, 2017-06-23 13:42:26]

Thanks! So that's not the case we're looking for, where the bf transition is
dropped at commit time. I'm going to upload a new version of the patch to check
for this specifically.