Revert of Change VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING

Revert of Change VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING (patchset #6 id:100001 of https://codereview.chromium.org/2184123002/ )

Reason for revert:
This CL caused failures of WebKit Android (Nexus4). 

See crbug.com/633321 for details. 

Original issue's description:
> Change VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING
> 
> Change VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING to initially
> pause virtual time until at least one loading task has run.  This fixes
> a problem where virtual time could advance arbitrarily far before the
> first fetch occurred.
> 
> Also refactor the way virtual time is dealt with so that
> RendererSchedulerImpl and ThrottlingHelper know about it and
> Virtual Time is applied to all relevant queues.
> 
> Finally remove unused WebViewSchedulerTest.cpp
> 
> BUG=546953
> 
> Committed: https://crrev.com/1c815652bc24a83da99ca473d489accdeeafa435
> Cr-Commit-Position: refs/heads/master@{#408944}

TBR=jochen@chromium.org,skyostil@chromium.org,alexclarke@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=546953

[kolos1, 2016-08-12 12:51:29]

The CQ bit was checked by kolos@chromium.org

[kolos1, 2016-08-12 12:51:29]

Created Revert of Change VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING

[commit-bot: I haz the power, 2016-08-12 12:51:46]

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

[kolos1, 2016-08-12 12:54:06]

The CQ bit was unchecked by kolos@chromium.org

[kolos1, 2016-08-12 12:57:31]

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

[commit-bot: I haz the power, 2016-08-12 12:57:45]

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, 2016-08-12 13:00:06]

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

[commit-bot: I haz the power, 2016-08-12 13:00:07]

Dry run: Try jobs failed on following builders:
  chromium_presubmit on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)
  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_...)

[alex clarke (OOO till 29th), 2016-08-22 15:38:44]

Removing myself from the R line :)  I guess we can probably close this now.

[alex clarke (OOO till 29th), 2016-08-22 15:39:19]

Description was changed from

==========
Revert of Change VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING (patchset
#6 id:100001 of https://codereview.chromium.org/2184123002/ )

Reason for revert:
This CL caused failures of WebKit Android (Nexus4). 

See crbug.com/633321 for details. 

Original issue's description:
> Change VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING
> 
> Change VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING to initially
> pause virtual time until at least one loading task has run.  This fixes
> a problem where virtual time could advance arbitrarily far before the
> first fetch occurred.
> 
> Also refactor the way virtual time is dealt with so that
> RendererSchedulerImpl and ThrottlingHelper know about it and
> Virtual Time is applied to all relevant queues.
> 
> Finally remove unused WebViewSchedulerTest.cpp
> 
> BUG=546953
> 
> Committed: https://crrev.com/1c815652bc24a83da99ca473d489accdeeafa435
> Cr-Commit-Position: refs/heads/master@{#408944}

TBR=jochen@chromium.org,skyostil@chromium.org,alexclarke@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=546953
==========

to

==========
Revert of Change VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING (patchset
#6 id:100001 of https://codereview.chromium.org/2184123002/ )

Reason for revert:
This CL caused failures of WebKit Android (Nexus4). 

See crbug.com/633321 for details. 

Original issue's description:
> Change VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING
> 
> Change VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING to initially
> pause virtual time until at least one loading task has run.  This fixes
> a problem where virtual time could advance arbitrarily far before the
> first fetch occurred.
> 
> Also refactor the way virtual time is dealt with so that
> RendererSchedulerImpl and ThrottlingHelper know about it and
> Virtual Time is applied to all relevant queues.
> 
> Finally remove unused WebViewSchedulerTest.cpp
> 
> BUG=546953
> 
> Committed: https://crrev.com/1c815652bc24a83da99ca473d489accdeeafa435
> Cr-Commit-Position: refs/heads/master@{#408944}

TBR=jochen@chromium.org,skyostil@chromium.org,alexclarke@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=546953
==========

[alex clarke (OOO till 29th), 2016-08-22 15:39:19]

alexclarke@chromium.org changed reviewers:
- alexclarke@chromium.org