The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/65a832dab02d49730c965026b8f5e891e01f2f86

commit 65a832dab02d49730c965026b8f5e891e01f2f86
Author: Christos Froussios <cfroussios@chromium.org>
Date: Wed Sep 06 12:50:24 2017

Mark flaky virtual/mojo-loading/http/tests/security/xss-DENIED-iframe-src-alias.html

It is flaky on Win7 dbg

Bug:  762486 
Change-Id: Ib17fe4e7dc48e53f69873394c2cfab984d5c9e9a
No-Try: true
No-Presubmit: true
Reviewed-on: https://chromium-review.googlesource.com/652451
Reviewed-by: Christos Froussios <cfroussios@chromium.org>
Commit-Queue: Christos Froussios <cfroussios@chromium.org>
Cr-Commit-Position: refs/heads/master@{#499943}
[modify] https://crrev.com/65a832dab02d49730c965026b8f5e891e01f2f86/third_party/WebKit/LayoutTests/TestExpectations

virtual/mojo-loading -> Blink>Loader

It is flaky on Mac, Windows and Linux.
The original test is also flaky.

https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=webkit_layout_tests&tests=http%2Ftests%2Fsecurity%2Fxss-DENIED-iframe-src-alias.html

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/305e93de44a2b72804a3e63ee58dd47f6220a859

commit 305e93de44a2b72804a3e63ee58dd47f6220a859
Author: Yutaka Hirano <yhirano@chromium.org>
Date: Thu Oct 05 09:01:27 2017

Mark http/tests/security/xss-DENIED-iframe-src-alias.html as flaky

TBR=jochen@chromium.org

No-Try: True
Bug:  762486 
Change-Id: I5634090ba14770a5f4b2fcfdfdfbc5c800ce6b5a
Reviewed-on: https://chromium-review.googlesource.com/702078
Reviewed-by: Yutaka Hirano <yhirano@chromium.org>
Commit-Queue: Yutaka Hirano <yhirano@chromium.org>
Cr-Commit-Position: refs/heads/master@{#506684}
[modify] https://crrev.com/305e93de44a2b72804a3e63ee58dd47f6220a859/third_party/WebKit/LayoutTests/TestExpectations

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/eead2db83129c330873b7828c362d9b1ad14d27a

commit eead2db83129c330873b7828c362d9b1ad14d27a
Author: Jochen Eisinger <jochen@chromium.org>
Date: Fri Nov 10 01:55:33 2017

Deflake xss-DENIED-iframe-src-alias.html

R=mkwst@chromium.org
BUG= 762486 

Change-Id: Idcde7a59825da89ed89b3408bfd6b78d2fe25885
Reviewed-on: https://chromium-review.googlesource.com/755133
Reviewed-by: Pavel Feldman <pfeldman@chromium.org>
Commit-Queue: Jochen Eisinger <jochen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#515415}
[modify] https://crrev.com/eead2db83129c330873b7828c362d9b1ad14d27a/third_party/WebKit/LayoutTests/TestExpectations
[modify] https://crrev.com/eead2db83129c330873b7828c362d9b1ad14d27a/third_party/WebKit/LayoutTests/http/tests/security/xss-DENIED-iframe-src-alias-expected.txt
[modify] https://crrev.com/eead2db83129c330873b7828c362d9b1ad14d27a/third_party/WebKit/LayoutTests/http/tests/security/xss-DENIED-iframe-src-alias.html