Revert of [DevTools] Show icon in top toolbar when Node target is available

Revert of [DevTools] Show icon in top toolbar when Node target is available (patchset #3 id:40001 of https://codereview.chromium.org/2890973002/ )

Reason for revert:
See issue 727517

Original issue's description:
> [DevTools] Show icon in top toolbar when Node target is available
> 
> Clicking on it opens dedicated Node frontend.
> 
> BUG=706916
> 
> Review-Url: https://codereview.chromium.org/2890973002
> Cr-Commit-Position: refs/heads/master@{#472739}
> Committed: https://chromium.googlesource.com/chromium/src/+/ad3ffab411cc396ffb20c1d35dcff6de038f14b4

TBR=pfeldman@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=706916
Review-Url: https://codereview.chromium.org/2932703002
Cr-Commit-Position: refs/heads/master@{#478017}
Committed: https://chromium.googlesource.com/chromium/src/+/24309d877571d159bc14f871671ff0630d6f8d32

[dgozman, 2017-06-08 15:16:14]

The CQ bit was checked by dgozman@chromium.org

[dgozman, 2017-06-08 15:16:14]

Created Revert of [DevTools] Show icon in top toolbar when Node target is
available

[commit-bot: I haz the power, 2017-06-08 15:16:34]

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, 2017-06-08 17:48:52]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1496934974078380, "parent_rev":
"8b9c7a26c3db8781e2d504d118882ef5ba8eb1ba", "commit_rev":
"24309d877571d159bc14f871671ff0630d6f8d32"}

[commit-bot: I haz the power, 2017-06-08 17:49:05]

Description was changed from

==========
Revert of [DevTools] Show icon in top toolbar when Node target is available
(patchset #3 id:40001 of https://codereview.chromium.org/2890973002/ )

Reason for revert:
See issue 727517

Original issue's description:
> [DevTools] Show icon in top toolbar when Node target is available
> 
> Clicking on it opens dedicated Node frontend.
> 
> BUG=706916
> 
> Review-Url: https://codereview.chromium.org/2890973002
> Cr-Commit-Position: refs/heads/master@{#472739}
> Committed:
https://chromium.googlesource.com/chromium/src/+/ad3ffab411cc396ffb20c1d35dcf...

TBR=pfeldman@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=706916
==========

to

==========
Revert of [DevTools] Show icon in top toolbar when Node target is available
(patchset #3 id:40001 of https://codereview.chromium.org/2890973002/ )

Reason for revert:
See issue 727517

Original issue's description:
> [DevTools] Show icon in top toolbar when Node target is available
> 
> Clicking on it opens dedicated Node frontend.
> 
> BUG=706916
> 
> Review-Url: https://codereview.chromium.org/2890973002
> Cr-Commit-Position: refs/heads/master@{#472739}
> Committed:
https://chromium.googlesource.com/chromium/src/+/ad3ffab411cc396ffb20c1d35dcf...

TBR=pfeldman@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=706916

Review-Url: https://codereview.chromium.org/2932703002
Cr-Commit-Position: refs/heads/master@{#478017}
Committed:
https://chromium.googlesource.com/chromium/src/+/24309d877571d159bc14f871671f...
==========

[commit-bot: I haz the power, 2017-06-08 17:49:06]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/24309d877571d159bc14f871671f...

[dgozman, 2017-06-15 20:27:49]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2939173002/ by dgozman@chromium.org.

The reason for reverting is: Fixed the original crash cause.