Reland of Default enable main frame before activation and remove finch experiment.

Reland of Default enable main frame before activation and remove finch experiment. (patchset #1 id:1 of https://codereview.chromium.org/2170233002/ )

Reason for revert:
Relanding after fixing android webview issues

Original issue's description:
> Revert of Default enable main frame before activation and remove finch experiment. (patchset #1 id:1 of https://codereview.chromium.org/2159103008/ )
>
> Reason for revert:
> Speculative revert for failing WebView tests on Lollipop:
>
> https://build.chromium.org/p/chromium.android/builders/Lollipop%20Phone%20Tester/builds/5794
> https://build.chromium.org/p/chromium.android/builders/Lollipop%20Tablet%20Tester/builds/4054
>
> Both phone and tablet started failing and this is the most "suspicious" change.  boliu@ can help investigate further assuming this holds true.
>
> Original issue's description:
> > Default enable main frame before activation and remove finch experiment.
> >
> > The finch experiment hasn't revealed any regressions other than in page
> > load times which has been deemed a blink scheduler issue (see
> > crbug.com/614482).
> >
> > R=piman@chromium.org,rkaplow@chromium.org
> > BUG=612596
> >
> > Committed: https://crrev.com/45041a7e286c665ab14d8ae0b182e1c11cef65ed
> > Cr-Commit-Position: refs/heads/master@{#406916}
>
> TBR=piman@chromium.org,rkaplow@chromium.org,sunnyps@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=612596
>
> Committed: https://crrev.com/2863590ee8e57543f646f4308130765afb02bd44
> Cr-Commit-Position: refs/heads/master@{#407003}

TBR=piman@chromium.org,rkaplow@chromium.org,tedchoc@chromium.org
BUG=612596
Committed: https://crrev.com/398642c9f408c394cd87564780b64602e8d310f9
Cr-Commit-Position: refs/heads/master@{#416402}

[sunnyps, 2016-07-28 01:56:11]

Created Reland of Default enable main frame before activation and remove finch
experiment.

[sunnyps, 2016-07-28 01:58:52]

The CQ bit was checked by sunnyps@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-07-28 01:59:17]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[sunnyps, 2016-07-28 02:02:44]

Description was changed from

==========
Reland of Default enable main frame before activation and remove finch
experiment. (patchset #1 id:1 of https://codereview.chromium.org/2170233002/ )

Reason for revert:
Relanding after fixing android webview issues

Original issue's description:
> Revert of Default enable main frame before activation and remove finch
experiment. (patchset #1 id:1 of https://codereview.chromium.org/2159103008/ )
> 
> Reason for revert:
> Speculative revert for failing WebView tests on Lollipop:
> 
>
https://build.chromium.org/p/chromium.android/builders/Lollipop%20Phone%20Tes...
>
https://build.chromium.org/p/chromium.android/builders/Lollipop%20Tablet%20Te...
> 
> Both phone and tablet started failing and this is the most "suspicious"
change.  boliu@ can help investigate further assuming this holds true.
> 
> Original issue's description:
> > Default enable main frame before activation and remove finch experiment.
> >
> > The finch experiment hasn't revealed any regressions other than in page
> > load times which has been deemed a blink scheduler issue (see
> > crbug.com/614482).
> >
> > R=piman@chromium.org,rkaplow@chromium.org
> > BUG=612596
> >
> > Committed: https://crrev.com/45041a7e286c665ab14d8ae0b182e1c11cef65ed
> > Cr-Commit-Position: refs/heads/master@{#406916}
> 
> TBR=piman@chromium.org,rkaplow@chromium.org,sunnyps@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=612596
> 
> Committed: https://crrev.com/2863590ee8e57543f646f4308130765afb02bd44
> Cr-Commit-Position: refs/heads/master@{#407003}

TBR=piman@chromium.org,rkaplow@chromium.org,tedchoc@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=612596
==========

to

==========
Reland of Default enable main frame before activation and remove finch
experiment. (patchset #1 id:1 of https://codereview.chromium.org/2170233002/ )

Reason for revert:
Relanding after fixing android webview issues

Original issue's description:
> Revert of Default enable main frame before activation and remove finch
experiment. (patchset #1 id:1 of https://codereview.chromium.org/2159103008/ )
>
> Reason for revert:
> Speculative revert for failing WebView tests on Lollipop:
>
>
https://build.chromium.org/p/chromium.android/builders/Lollipop%20Phone%20Tes...
>
https://build.chromium.org/p/chromium.android/builders/Lollipop%20Tablet%20Te...
>
> Both phone and tablet started failing and this is the most "suspicious"
change.  boliu@ can help investigate further assuming this holds true.
>
> Original issue's description:
> > Default enable main frame before activation and remove finch experiment.
> >
> > The finch experiment hasn't revealed any regressions other than in page
> > load times which has been deemed a blink scheduler issue (see
> > crbug.com/614482).
> >
> > R=piman@chromium.org,rkaplow@chromium.org
> > BUG=612596
> >
> > Committed: https://crrev.com/45041a7e286c665ab14d8ae0b182e1c11cef65ed
> > Cr-Commit-Position: refs/heads/master@{#406916}
>
> TBR=piman@chromium.org,rkaplow@chromium.org,sunnyps@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=612596
>
> Committed: https://crrev.com/2863590ee8e57543f646f4308130765afb02bd44
> Cr-Commit-Position: refs/heads/master@{#407003}

TBR=piman@chromium.org,rkaplow@chromium.org,tedchoc@chromium.org
BUG=612596
==========

[sunnyps, 2016-07-28 02:03:11]

The CQ bit was checked by sunnyps@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-07-28 02:03:35]

Dry run: 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, 2016-07-28 02:13:03]

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

[commit-bot: I haz the power, 2016-07-28 02:13:04]

Dry run: Try jobs failed on following builders:
  mac_chromium_compile_dbg_ng on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_comp...)

[sunnyps, 2016-07-28 02:24:11]

The CQ bit was checked by sunnyps@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-07-28 02:24:33]

Dry run: 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, 2016-07-28 03:22:26]

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

[commit-bot: I haz the power, 2016-07-28 03:22:27]

Dry run: This issue passed the CQ dry run.

[piman, 2016-07-28 06:06:51]

lgtm

[rkaplow, 2016-07-28 15:27:24]

lgtm

[sunnyps, 2016-08-09 02:05:45]

The CQ bit was checked by sunnyps@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-08-09 02:06:06]

Dry run: 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, 2016-08-09 02:19:04]

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

[commit-bot: I haz the power, 2016-08-09 02:19:05]

Dry run: Try jobs failed on following builders:
  android_compile_dbg on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/android_comp...)
  linux_chromium_asan_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_chromeos_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_compile_dbg_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[sunnyps, 2016-08-09 03:20:54]

The CQ bit was checked by sunnyps@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-08-09 03:21:11]

Dry run: 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, 2016-08-09 04:25:33]

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

[commit-bot: I haz the power, 2016-08-09 04:25:34]

Dry run: This issue passed the CQ dry run.

[vmiura, 2016-08-18 17:20:57]

Is this good to go?

[sunnyps, 2016-08-18 17:25:19]

On 2016/08/18 at 17:20:57, vmiura wrote:
> Is this good to go?

I wanted to look at cluster telemetry data before doing this. I have results
from a CT run (repaint on nexus5) which showed large regressions on some pages
but wasn't able to look into it deeply because of pixel wrangling / bugs that
came up last week.

[sunnyps, 2016-09-02 01:14:16]

The CQ bit was checked by sunnyps@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-09-02 01:14:45]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[sunnyps, 2016-09-02 01:15:15]

The CQ bit was unchecked by sunnyps@chromium.org

[sunnyps, 2016-09-02 01:15:15]

The CQ bit was checked by sunnyps@chromium.org

[sunnyps, 2016-09-02 01:15:15]

The patchset sent to the CQ was uploaded after l-g-t-m from
rkaplow@chromium.org, piman@chromium.org
Link to the patchset: https://codereview.chromium.org/2184243003/#ps290001
(title: "rebase")

[commit-bot: I haz the power, 2016-09-02 01:15:32]

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, 2016-09-02 01:17:47]

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

[commit-bot: I haz the power, 2016-09-02 01:17:48]

Try jobs failed on following builders:
  cast_shell_linux on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/cast_shell_linu...)
  linux_chromium_chromeos_ozone_rel_ng on master.tryserver.chromium.linux
(JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  mac_chromium_compile_dbg_ng on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_comp...)
  mac_chromium_rel_ng on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[sunnyps, 2016-09-02 22:04:10]

The CQ bit was checked by sunnyps@chromium.org

[sunnyps, 2016-09-02 22:04:11]

The patchset sent to the CQ was uploaded after l-g-t-m from
rkaplow@chromium.org, piman@chromium.org
Link to the patchset: https://codereview.chromium.org/2184243003/#ps310001
(title: "rebase")

[commit-bot: I haz the power, 2016-09-02 22:04:48]

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, 2016-09-03 00:05:16]

Committed patchset #8 (id:310001)

[commit-bot: I haz the power, 2016-09-03 00:08:38]

Description was changed from

==========
Reland of Default enable main frame before activation and remove finch
experiment. (patchset #1 id:1 of https://codereview.chromium.org/2170233002/ )

Reason for revert:
Relanding after fixing android webview issues

Original issue's description:
> Revert of Default enable main frame before activation and remove finch
experiment. (patchset #1 id:1 of https://codereview.chromium.org/2159103008/ )
>
> Reason for revert:
> Speculative revert for failing WebView tests on Lollipop:
>
>
https://build.chromium.org/p/chromium.android/builders/Lollipop%20Phone%20Tes...
>
https://build.chromium.org/p/chromium.android/builders/Lollipop%20Tablet%20Te...
>
> Both phone and tablet started failing and this is the most "suspicious"
change.  boliu@ can help investigate further assuming this holds true.
>
> Original issue's description:
> > Default enable main frame before activation and remove finch experiment.
> >
> > The finch experiment hasn't revealed any regressions other than in page
> > load times which has been deemed a blink scheduler issue (see
> > crbug.com/614482).
> >
> > R=piman@chromium.org,rkaplow@chromium.org
> > BUG=612596
> >
> > Committed: https://crrev.com/45041a7e286c665ab14d8ae0b182e1c11cef65ed
> > Cr-Commit-Position: refs/heads/master@{#406916}
>
> TBR=piman@chromium.org,rkaplow@chromium.org,sunnyps@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=612596
>
> Committed: https://crrev.com/2863590ee8e57543f646f4308130765afb02bd44
> Cr-Commit-Position: refs/heads/master@{#407003}

TBR=piman@chromium.org,rkaplow@chromium.org,tedchoc@chromium.org
BUG=612596
==========

to

==========
Reland of Default enable main frame before activation and remove finch
experiment. (patchset #1 id:1 of https://codereview.chromium.org/2170233002/ )

Reason for revert:
Relanding after fixing android webview issues

Original issue's description:
> Revert of Default enable main frame before activation and remove finch
experiment. (patchset #1 id:1 of https://codereview.chromium.org/2159103008/ )
>
> Reason for revert:
> Speculative revert for failing WebView tests on Lollipop:
>
>
https://build.chromium.org/p/chromium.android/builders/Lollipop%20Phone%20Tes...
>
https://build.chromium.org/p/chromium.android/builders/Lollipop%20Tablet%20Te...
>
> Both phone and tablet started failing and this is the most "suspicious"
change.  boliu@ can help investigate further assuming this holds true.
>
> Original issue's description:
> > Default enable main frame before activation and remove finch experiment.
> >
> > The finch experiment hasn't revealed any regressions other than in page
> > load times which has been deemed a blink scheduler issue (see
> > crbug.com/614482).
> >
> > R=piman@chromium.org,rkaplow@chromium.org
> > BUG=612596
> >
> > Committed: https://crrev.com/45041a7e286c665ab14d8ae0b182e1c11cef65ed
> > Cr-Commit-Position: refs/heads/master@{#406916}
>
> TBR=piman@chromium.org,rkaplow@chromium.org,sunnyps@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=612596
>
> Committed: https://crrev.com/2863590ee8e57543f646f4308130765afb02bd44
> Cr-Commit-Position: refs/heads/master@{#407003}

TBR=piman@chromium.org,rkaplow@chromium.org,tedchoc@chromium.org
BUG=612596

Committed: https://crrev.com/398642c9f408c394cd87564780b64602e8d310f9
Cr-Commit-Position: refs/heads/master@{#416402}
==========

[commit-bot: I haz the power, 2016-09-03 00:08:39]

Patchset 8 (id:??) landed as
https://crrev.com/398642c9f408c394cd87564780b64602e8d310f9
Cr-Commit-Position: refs/heads/master@{#416402}