Revert of DevTools: launch What's New from experiments

Revert of DevTools: launch What's New from experiments (patchset #1 id:1 of https://codereview.chromium.org/2749423003/ )

Reason for revert:
It needs more UX work.

Original issue's description:
> DevTools: launch What's New from experiments
> 
> This is intended to gather feedback in Canary and then
> we'll add another set of release notes before the next branch point.
> 
> BUG=682879
> 
> Review-Url: https://codereview.chromium.org/2749423003
> Cr-Commit-Position: refs/heads/master@{#457598}
> Committed: https://chromium.googlesource.com/chromium/src/+/9f061aa07fd7c89d8f1b0c3ddedc158c60939220

TBR=chenwilliam@chromium.org
NOTRY=true
BUG=682879
Review-Url: https://codereview.chromium.org/2759223002
Cr-Commit-Position: refs/heads/master@{#458182}
Committed: https://chromium.googlesource.com/chromium/src/+/7966f4f285614fc7792618dbdac7243677380657

[alph, 2017-03-20 18:46:36]

The CQ bit was checked by alph@chromium.org

[alph, 2017-03-20 18:46:36]

Created Revert of DevTools: launch What's New from experiments

[commit-bot: I haz the power, 2017-03-20 18:47:11]

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, 2017-03-20 19:21:26]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-03-20 19:21:27]

Try jobs failed on following builders:
  android_arm64_dbg_recipe on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/android_arm6...)

[alph, 2017-03-20 20:50:47]

Description was changed from

==========
Revert of DevTools: launch What's New from experiments (patchset #1 id:1 of
https://codereview.chromium.org/2749423003/ )

Reason for revert:
It needs more UX work.

Original issue's description:
> DevTools: launch What's New from experiments
> 
> This is intended to gather feedback in Canary and then
> we'll add another set of release notes before the next branch point.
> 
> BUG=682879
> 
> Review-Url: https://codereview.chromium.org/2749423003
> Cr-Commit-Position: refs/heads/master@{#457598}
> Committed:
https://chromium.googlesource.com/chromium/src/+/9f061aa07fd7c89d8f1b0c3ddedc...

TBR=chenwilliam@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=682879
==========

to

==========
Revert of DevTools: launch What's New from experiments (patchset #1 id:1 of
https://codereview.chromium.org/2749423003/ )

Reason for revert:
It needs more UX work.

Original issue's description:
> DevTools: launch What's New from experiments
> 
> This is intended to gather feedback in Canary and then
> we'll add another set of release notes before the next branch point.
> 
> BUG=682879
> 
> Review-Url: https://codereview.chromium.org/2749423003
> Cr-Commit-Position: refs/heads/master@{#457598}
> Committed:
https://chromium.googlesource.com/chromium/src/+/9f061aa07fd7c89d8f1b0c3ddedc...

TBR=chenwilliam@chromium.org
NOTRY=true
BUG=682879
==========

[alph, 2017-03-20 20:50:55]

The CQ bit was checked by alph@chromium.org

[commit-bot: I haz the power, 2017-03-20 20:52:04]

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, 2017-03-20 21:08:39]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1490043055050540, "parent_rev":
"d5240cc0a6bd41103e36d53cd56de9994bec89d4", "commit_rev":
"7966f4f285614fc7792618dbdac7243677380657"}

[commit-bot: I haz the power, 2017-03-20 21:09:26]

Description was changed from

==========
Revert of DevTools: launch What's New from experiments (patchset #1 id:1 of
https://codereview.chromium.org/2749423003/ )

Reason for revert:
It needs more UX work.

Original issue's description:
> DevTools: launch What's New from experiments
> 
> This is intended to gather feedback in Canary and then
> we'll add another set of release notes before the next branch point.
> 
> BUG=682879
> 
> Review-Url: https://codereview.chromium.org/2749423003
> Cr-Commit-Position: refs/heads/master@{#457598}
> Committed:
https://chromium.googlesource.com/chromium/src/+/9f061aa07fd7c89d8f1b0c3ddedc...

TBR=chenwilliam@chromium.org
NOTRY=true
BUG=682879
==========

to

==========
Revert of DevTools: launch What's New from experiments (patchset #1 id:1 of
https://codereview.chromium.org/2749423003/ )

Reason for revert:
It needs more UX work.

Original issue's description:
> DevTools: launch What's New from experiments
> 
> This is intended to gather feedback in Canary and then
> we'll add another set of release notes before the next branch point.
> 
> BUG=682879
> 
> Review-Url: https://codereview.chromium.org/2749423003
> Cr-Commit-Position: refs/heads/master@{#457598}
> Committed:
https://chromium.googlesource.com/chromium/src/+/9f061aa07fd7c89d8f1b0c3ddedc...

TBR=chenwilliam@chromium.org
NOTRY=true
BUG=682879

Review-Url: https://codereview.chromium.org/2759223002
Cr-Commit-Position: refs/heads/master@{#458182}
Committed:
https://chromium.googlesource.com/chromium/src/+/7966f4f285614fc7792618dbdac7...
==========

[commit-bot: I haz the power, 2017-03-20 21:09:27]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/7966f4f285614fc7792618dbdac7...