Revert of NQE: Record the main frame metrics at transaction start

Revert of NQE: Record the main frame metrics at transaction start (patchset #2 id:60001 of https://codereview.chromium.org/2695783003/ )

Reason for revert:
Caused perf regression. See https://bugs.chromium.org/p/chromium/issues/detail?id=692933

Original issue's description:
> NQE: Record the main frame metrics at transaction start
> 
> In network quality estimator (NQE), record the main frame metrics at the 
> beginning of transaction start, instead of when the response headers have
> been received for the main frame.
> 
> BUG=691798
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_cronet_tester
> 
> Review-Url: https://codereview.chromium.org/2695783003
> Cr-Commit-Position: refs/heads/master@{#450536}
> Committed: https://chromium.googlesource.com/chromium/src/+/0be260cab40bb7162d01d99afb1144abdd2469c2

TBR=ryansturm@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=691798, 692933
Review-Url: https://codereview.chromium.org/2690303011
Cr-Commit-Position: refs/heads/master@{#451106}
Committed: https://chromium.googlesource.com/chromium/src/+/c82d9e4024d4ada2d0a0677c2ced1f1147dddb7c

[tbansal1, 2017-02-16 19:51:10]

The CQ bit was checked by tbansal@chromium.org

[tbansal1, 2017-02-16 19:51:10]

Created Revert of NQE: Record the main frame metrics at transaction start

[tbansal1, 2017-02-16 19:51:22]

Description was changed from

==========
Revert of NQE: Record the main frame metrics at transaction start (patchset #2
id:60001 of https://codereview.chromium.org/2695783003/ )

Reason for revert:
Caused perf regression. See
https://bugs.chromium.org/p/chromium/issues/detail?id=692933

Original issue's description:
> NQE: Record the main frame metrics at transaction start
> 
> In network quality estimator (NQE), record the main frame metrics at the 
> beginning of transaction start, instead of when the response headers have
> been received for the main frame.
> 
> BUG=691798
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_cronet_tester
> 
> Review-Url: https://codereview.chromium.org/2695783003
> Cr-Commit-Position: refs/heads/master@{#450536}
> Committed:
https://chromium.googlesource.com/chromium/src/+/0be260cab40bb7162d01d99afb11...

TBR=ryansturm@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=691798
==========

to

==========
Revert of NQE: Record the main frame metrics at transaction start (patchset #2
id:60001 of https://codereview.chromium.org/2695783003/ )

Reason for revert:
Caused perf regression. See
https://bugs.chromium.org/p/chromium/issues/detail?id=692933

Original issue's description:
> NQE: Record the main frame metrics at transaction start
> 
> In network quality estimator (NQE), record the main frame metrics at the 
> beginning of transaction start, instead of when the response headers have
> been received for the main frame.
> 
> BUG=691798
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_cronet_tester
> 
> Review-Url: https://codereview.chromium.org/2695783003
> Cr-Commit-Position: refs/heads/master@{#450536}
> Committed:
https://chromium.googlesource.com/chromium/src/+/0be260cab40bb7162d01d99afb11...

TBR=ryansturm@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=691798, 692933
==========

[commit-bot: I haz the power, 2017-02-16 19:52:43]

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, 2017-02-16 21:44:03]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1487274670267010, "parent_rev":
"0b130fdcf80dfaaeff366efc964678f3415750ca", "commit_rev":
"c82d9e4024d4ada2d0a0677c2ced1f1147dddb7c"}

[commit-bot: I haz the power, 2017-02-16 21:45:01]

Description was changed from

==========
Revert of NQE: Record the main frame metrics at transaction start (patchset #2
id:60001 of https://codereview.chromium.org/2695783003/ )

Reason for revert:
Caused perf regression. See
https://bugs.chromium.org/p/chromium/issues/detail?id=692933

Original issue's description:
> NQE: Record the main frame metrics at transaction start
> 
> In network quality estimator (NQE), record the main frame metrics at the 
> beginning of transaction start, instead of when the response headers have
> been received for the main frame.
> 
> BUG=691798
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_cronet_tester
> 
> Review-Url: https://codereview.chromium.org/2695783003
> Cr-Commit-Position: refs/heads/master@{#450536}
> Committed:
https://chromium.googlesource.com/chromium/src/+/0be260cab40bb7162d01d99afb11...

TBR=ryansturm@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=691798, 692933
==========

to

==========
Revert of NQE: Record the main frame metrics at transaction start (patchset #2
id:60001 of https://codereview.chromium.org/2695783003/ )

Reason for revert:
Caused perf regression. See
https://bugs.chromium.org/p/chromium/issues/detail?id=692933

Original issue's description:
> NQE: Record the main frame metrics at transaction start
> 
> In network quality estimator (NQE), record the main frame metrics at the 
> beginning of transaction start, instead of when the response headers have
> been received for the main frame.
> 
> BUG=691798
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_cronet_tester
> 
> Review-Url: https://codereview.chromium.org/2695783003
> Cr-Commit-Position: refs/heads/master@{#450536}
> Committed:
https://chromium.googlesource.com/chromium/src/+/0be260cab40bb7162d01d99afb11...

TBR=ryansturm@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=691798, 692933

Review-Url: https://codereview.chromium.org/2690303011
Cr-Commit-Position: refs/heads/master@{#451106}
Committed:
https://chromium.googlesource.com/chromium/src/+/c82d9e4024d4ada2d0a0677c2ced...
==========

[commit-bot: I haz the power, 2017-02-16 21:45:05]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/c82d9e4024d4ada2d0a0677c2ced...