Revert of [gn] Experiment: Reset -O3 to -O2.

Revert of [gn] Experiment: Reset -O3 to -O2. (patchset #1 id:1 of https://codereview.chromium.org/2135313002/ )

Reason for revert:
Data collected

Original issue's description:
> [gn] Experiment: Reset -O3 to -O2.
>
> Temporary commit to see performance data. Will be reverted
> shortly after.
>
> BUG=chromium:622332
> TBR=vogelheim, jochen
> NOTRY=true
>
> Committed: https://crrev.com/bbb61d8aea732457e1d5a0c9abdd79eacf1622ae
> Cr-Commit-Position: refs/heads/master@{#37667}

TBR=vogelheim@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:622332
Committed: https://crrev.com/ce5265016bfb25d0f0eb9e6a4dfb390cd6dbc8ac
Cr-Commit-Position: refs/heads/master@{#37690}

[Michael Achenbach, 2016-07-12 18:18:31]

The CQ bit was checked by machenbach@chromium.org

[Michael Achenbach, 2016-07-12 18:18:31]

Created Revert of [gn] Experiment: Reset -O3 to -O2.

[commit-bot: I haz the power, 2016-07-12 18:18:39]

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, 2016-07-12 18:18:49]

Description was changed from

==========
Revert of [gn] Experiment: Reset -O3 to -O2. (patchset #1 id:1 of
https://codereview.chromium.org/2135313002/ )

Reason for revert:
Data collected


Original issue's description:
> [gn] Experiment: Reset -O3 to -O2.
> 
> Temporary commit to see performance data. Will be reverted
> shortly after.
> 
> BUG=chromium:622332
> TBR=vogelheim, jochen
> NOTRY=true
> 
> Committed: https://crrev.com/bbb61d8aea732457e1d5a0c9abdd79eacf1622ae
> Cr-Commit-Position: refs/heads/master@{#37667}

TBR=vogelheim@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:622332
==========

to

==========
Revert of [gn] Experiment: Reset -O3 to -O2. (patchset #1 id:1 of
https://codereview.chromium.org/2135313002/ )

Reason for revert:
Data collected


Original issue's description:
> [gn] Experiment: Reset -O3 to -O2.
> 
> Temporary commit to see performance data. Will be reverted
> shortly after.
> 
> BUG=chromium:622332
> TBR=vogelheim, jochen
> NOTRY=true
> 
> Committed: https://crrev.com/bbb61d8aea732457e1d5a0c9abdd79eacf1622ae
> Cr-Commit-Position: refs/heads/master@{#37667}

TBR=vogelheim@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:622332
==========

[commit-bot: I haz the power, 2016-07-12 18:18:50]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-12 18:21:49]

Description was changed from

==========
Revert of [gn] Experiment: Reset -O3 to -O2. (patchset #1 id:1 of
https://codereview.chromium.org/2135313002/ )

Reason for revert:
Data collected


Original issue's description:
> [gn] Experiment: Reset -O3 to -O2.
> 
> Temporary commit to see performance data. Will be reverted
> shortly after.
> 
> BUG=chromium:622332
> TBR=vogelheim, jochen
> NOTRY=true
> 
> Committed: https://crrev.com/bbb61d8aea732457e1d5a0c9abdd79eacf1622ae
> Cr-Commit-Position: refs/heads/master@{#37667}

TBR=vogelheim@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:622332
==========

to

==========
Revert of [gn] Experiment: Reset -O3 to -O2. (patchset #1 id:1 of
https://codereview.chromium.org/2135313002/ )

Reason for revert:
Data collected

Original issue's description:
> [gn] Experiment: Reset -O3 to -O2.
>
> Temporary commit to see performance data. Will be reverted
> shortly after.
>
> BUG=chromium:622332
> TBR=vogelheim, jochen
> NOTRY=true
>
> Committed: https://crrev.com/bbb61d8aea732457e1d5a0c9abdd79eacf1622ae
> Cr-Commit-Position: refs/heads/master@{#37667}

TBR=vogelheim@chromium.org,jochen@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:622332

Committed: https://crrev.com/ce5265016bfb25d0f0eb9e6a4dfb390cd6dbc8ac
Cr-Commit-Position: refs/heads/master@{#37690}
==========

[commit-bot: I haz the power, 2016-07-12 18:21:50]

Patchset 1 (id:??) landed as
https://crrev.com/ce5265016bfb25d0f0eb9e6a4dfb390cd6dbc8ac
Cr-Commit-Position: refs/heads/master@{#37690}