For you information, I am currently working on moving redirect_chain.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/e6b67c20b5159f5fa10108b8ebccb9cf95c18479

commit e6b67c20b5159f5fa10108b8ebccb9cf95c18479
Author: arthursonzogni <arthursonzogni@chromium.org>
Date: Tue Oct 04 09:46:04 2016

Move redirect_chain from NavigationEntry to FrameNavigationEntry.

Now that we keep track of subframe navigations in FrameNavigationEntry,
this CL move the redirect_chain field from NavigationEntry to
FrameNavigationEntry.

BUG=649879
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_site_isolation

Review-Url: https://codereview.chromium.org/2368183004
Cr-Commit-Position: refs/heads/master@{#422737}

[modify] https://crrev.com/e6b67c20b5159f5fa10108b8ebccb9cf95c18479/content/browser/frame_host/frame_navigation_entry.cc
[modify] https://crrev.com/e6b67c20b5159f5fa10108b8ebccb9cf95c18479/content/browser/frame_host/frame_navigation_entry.h
[modify] https://crrev.com/e6b67c20b5159f5fa10108b8ebccb9cf95c18479/content/browser/frame_host/navigation_controller_impl.cc
[modify] https://crrev.com/e6b67c20b5159f5fa10108b8ebccb9cf95c18479/content/browser/frame_host/navigation_controller_impl_browsertest.cc
[modify] https://crrev.com/e6b67c20b5159f5fa10108b8ebccb9cf95c18479/content/browser/frame_host/navigation_entry_impl.cc
[modify] https://crrev.com/e6b67c20b5159f5fa10108b8ebccb9cf95c18479/content/browser/frame_host/navigation_entry_impl.h
[modify] https://crrev.com/e6b67c20b5159f5fa10108b8ebccb9cf95c18479/content/browser/frame_host/navigator_impl.cc
[add] https://crrev.com/e6b67c20b5159f5fa10108b8ebccb9cf95c18479/content/test/data/navigation_controller/page_with_iframe_redirect.html

This issue has been Available for over a year. If it's no longer important or seems unlikely to be fixed, please consider closing it out. If it is important, please re-triage the issue.

Sorry for the inconvenience if the bug really should have been left as Available. If you change it back, also remove the "Hotlist-Recharge-Cold" label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

This is important to do.  I'll try to find time.  (See  issue 769048 .)

 Issue 769048  has been merged into this issue.