The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/3d114b2f8fd65dc1ef19355e40de8443c7bc2776

commit 3d114b2f8fd65dc1ef19355e40de8443c7bc2776
Author: Daniel Hintze <hintzed@google.com>
Date: Tue Jul 25 12:53:36 2017

Exposing MakeRequestId in ResourceDispatcher

Moving CORS from blink to content/renderer requires the new
CORSURLLoader to be able to conduct a second request when performing a
preflight request is required. We need a second unique request id for
this request. Since the URLLoaderFactory interface only takes a single
request id, this CL exposes access to the id source in
ResourceDispatcher.

Moving CORS from blink to content/renderer:
(https://chromium-review.googlesource.com/c/558226/)

Bug:  748481 

Change-Id: I6f8d14bdd4051652891e78f6a30465f9ba81fb80
Reviewed-on: https://chromium-review.googlesource.com/584610
Commit-Queue: Daniel Hintze <hintzed@google.com>
Reviewed-by: Takeshi Yoshino <tyoshino@chromium.org>
Reviewed-by: Yutaka Hirano <yhirano@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Reviewed-by: Mike West <mkwst@chromium.org>
Cr-Commit-Position: refs/heads/master@{#489283}
[modify] https://crrev.com/3d114b2f8fd65dc1ef19355e40de8443c7bc2776/content/child/resource_dispatcher.cc
[modify] https://crrev.com/3d114b2f8fd65dc1ef19355e40de8443c7bc2776/content/child/resource_dispatcher.h
[modify] https://crrev.com/3d114b2f8fd65dc1ef19355e40de8443c7bc2776/content/child/resource_dispatcher_unittest.cc

tyoshino@: If there is no further update to be done on this issue,please close this issue since fix has been landed.

Thank you!

Oh, yea. It's been done by the commit by Daniel in the comment 1.

Closing.