The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/6c41874caefd3b6aabc2cb6645b833c60bc5e8bf

commit 6c41874caefd3b6aabc2cb6645b833c60bc5e8bf
Author: Kunihiko Sakamoto <ksakamoto@chromium.org>
Date: Mon Jun 26 03:23:00 2017

Revert "Remove usage of FILE thread from devtools_http_handler"

This reverts commit 878caac25f40c8d3ab7c853315bab0708882ed28.

Reason for revert: Speculative revert for DevToolsHttpHandlerTest.* failure on Win7 Tests (dbg)(1). See  crbug.com/736681 .

Original change's description:
> Remove usage of FILE thread from devtools_http_handler
> 
> - do not use FILE thread to start the handler thread, this doesn't block
>     abd should be fine on UI;
> - make ownership transfer for objects passed between threads more
>     explicit by passing unique_ptr<> instead of raw pointers;
> - delete thread on an arbitrary thread from pool, not on FILE thread.
> 
> Bug:  689520 
> Change-Id: I81fcbc5038a306453ba620bbe66287900153dcc8
> Reviewed-on: https://chromium-review.googlesource.com/544225
> Commit-Queue: Andrey Kosyakov <caseq@chromium.org>
> Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#482066}

TBR=dgozman@chromium.org,caseq@chromium.org,pfeldman@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug:  689520 ,  736681 
Change-Id: I444218567f46eb853599b5468f26b351e6782175
Reviewed-on: https://chromium-review.googlesource.com/547117
Reviewed-by: Kunihiko Sakamoto <ksakamoto@chromium.org>
Commit-Queue: Kunihiko Sakamoto <ksakamoto@chromium.org>
Cr-Commit-Position: refs/heads/master@{#482190}
[modify] https://crrev.com/6c41874caefd3b6aabc2cb6645b833c60bc5e8bf/content/browser/devtools/devtools_http_handler.cc
[modify] https://crrev.com/6c41874caefd3b6aabc2cb6645b833c60bc5e8bf/content/browser/devtools/devtools_http_handler.h
[modify] https://crrev.com/6c41874caefd3b6aabc2cb6645b833c60bc5e8bf/content/browser/devtools/devtools_http_handler_unittest.cc

The revert seems to have fixed the problem.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/9755ea989cd70104a067207e3d524a19ebd6cfd9

commit 9755ea989cd70104a067207e3d524a19ebd6cfd9
Author: Andrey Kosyakov <caseq@chromium.org>
Date: Mon Jun 26 18:50:13 2017

Revert "Remove usage of FILE thread from devtools_http_handler"

This reverts commit 878caac25f40c8d3ab7c853315bab0708882ed28.

Reason for revert: Speculative revert for DevToolsHttpHandlerTest.* failure on Win7 Tests (dbg)(1). See  crbug.com/736681 .

Original change's description:
> Remove usage of FILE thread from devtools_http_handler
>
> - do not use FILE thread to start the handler thread, this doesn't block
>     abd should be fine on UI;
> - make ownership transfer for objects passed between threads more
>     explicit by passing unique_ptr<> instead of raw pointers;
> - delete thread on an arbitrary thread from pool, not on FILE thread.
>
> Bug:  689520 
> Change-Id: I81fcbc5038a306453ba620bbe66287900153dcc8
> Reviewed-on: https://chromium-review.googlesource.com/544225
> Commit-Queue: Andrey Kosyakov <caseq@chromium.org>
> Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#482066}

TBR=caseq@chromium.org, dgozman@chromium.org, ksakamoto@chromium.org, pfeldman@chromium.org


(cherry picked from commit 6c41874caefd3b6aabc2cb6645b833c60bc5e8bf)

Bug:  689520 ,  736681 
Change-Id: I444218567f46eb853599b5468f26b351e6782175
Reviewed-on: https://chromium-review.googlesource.com/547117
Reviewed-by: Kunihiko Sakamoto <ksakamoto@chromium.org>
Commit-Queue: Kunihiko Sakamoto <ksakamoto@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#482190}
Reviewed-on: https://chromium-review.googlesource.com/549078
Reviewed-by: Andrey Kosyakov <caseq@chromium.org>
Cr-Commit-Position: refs/branch-heads/3141@{#5}
Cr-Branched-From: 180095eb1bca7df1cdcb02547340499c2ee3af6e-refs/heads/master@{#482153}
[modify] https://crrev.com/9755ea989cd70104a067207e3d524a19ebd6cfd9/content/browser/devtools/devtools_http_handler.cc
[modify] https://crrev.com/9755ea989cd70104a067207e3d524a19ebd6cfd9/content/browser/devtools/devtools_http_handler.h
[modify] https://crrev.com/9755ea989cd70104a067207e3d524a19ebd6cfd9/content/browser/devtools/devtools_http_handler_unittest.cc