Reland of move WorkerBackingThread::scriptCount

Reland of move WorkerBackingThread::scriptCount (patchset #1 id:1 of https://codereview.chromium.org/2066403003/ )

Reason for revert:
The reverted CL was not the cause of the failure, so I'm reverting the revert.

Original issue's description:
> Revert of Remove WorkerBackingThread::scriptCount (patchset #3 id:80001 of https://codereview.chromium.org/2053273002/ )
>
> Reason for revert:
> Two compositorworker tests have failed flakily after this change:
>
> https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20ASAN/builds/24612
>
> https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20ASAN/builds/24613
>
> Original issue's description:
> > Remove WorkerBackingThread::scriptCount
> >
> > This CL removes scriptCount from WorkerBackingThread. The count was
> > needed for compositor workers, but we don't need it any more because
> > of compositor workers' design change.
> >
> > Before this change, compositor workers are exempted from
> > TerminateExecution call because multiple workers can share the same
> > backing thread, but with this change TerminateExecution can be
> > called for a compositor worker when it doesn't start the shutdown
> > sequence in a timely manner.
> >
> > BUG=487050
> >
> > Committed: https://crrev.com/17686215e73797de165dd749f8f77d1388f1ede6
> > Cr-Commit-Position: refs/heads/master@{#400102}
>
> TBR=nhiroki@chromium.org,flackr@chromium.org,yhirano@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=487050
>
> Committed: https://crrev.com/bba247eab1816bc571d46f41de6346c3b7fbbfa6
> Cr-Commit-Position: refs/heads/master@{#400133}

TBR=nhiroki@chromium.org,flackr@chromium.org,yhirano@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
BUG=487050
Committed: https://crrev.com/cb73cd4e09dd03434c0d837aefa3dcf7ef2137e9
Cr-Commit-Position: refs/heads/master@{#400413}

[Henrik Grunell, 2016-06-17 10:02:17]

Created Reland of move WorkerBackingThread::scriptCount

[Henrik Grunell, 2016-06-17 10:04:01]

Description was changed from

==========
Reland of move WorkerBackingThread::scriptCount (patchset #1 id:1 of
https://codereview.chromium.org/2066403003/ )

Reason for revert:
The reverted CL was not the cause of the failure, so I'm reverting the revert.

Original issue's description:
> Revert of Remove WorkerBackingThread::scriptCount (patchset #3 id:80001 of
https://codereview.chromium.org/2053273002/ )
> 
> Reason for revert:
> Two compositorworker tests have failed flakily after this change:
> 
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20ASAN/b...
> 
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20ASAN/b...
> 
> Original issue's description:
> > Remove WorkerBackingThread::scriptCount
> >
> > This CL removes scriptCount from WorkerBackingThread. The count was
> > needed for compositor workers, but we don't need it any more because
> > of compositor workers' design change.
> >
> > Before this change, compositor workers are exempted from
> > TerminateExecution call because multiple workers can share the same
> > backing thread, but with this change TerminateExecution can be
> > called for a compositor worker when it doesn't start the shutdown
> > sequence in a timely manner.
> >
> > BUG=487050
> >
> > Committed: https://crrev.com/17686215e73797de165dd749f8f77d1388f1ede6
> > Cr-Commit-Position: refs/heads/master@{#400102}
> 
> TBR=nhiroki@chromium.org,flackr@chromium.org,yhirano@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=487050
> 
> Committed: https://crrev.com/bba247eab1816bc571d46f41de6346c3b7fbbfa6
> Cr-Commit-Position: refs/heads/master@{#400133}

TBR=nhiroki@chromium.org,flackr@chromium.org,yhirano@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=487050
==========

to

==========
Reland of move WorkerBackingThread::scriptCount (patchset #1 id:1 of
https://codereview.chromium.org/2066403003/ )

Reason for revert:
The reverted CL was not the cause of the failure, so I'm reverting the revert.

Original issue's description:
> Revert of Remove WorkerBackingThread::scriptCount (patchset #3 id:80001 of
https://codereview.chromium.org/2053273002/ )
> 
> Reason for revert:
> Two compositorworker tests have failed flakily after this change:
> 
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20ASAN/b...
> 
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20ASAN/b...
> 
> Original issue's description:
> > Remove WorkerBackingThread::scriptCount
> >
> > This CL removes scriptCount from WorkerBackingThread. The count was
> > needed for compositor workers, but we don't need it any more because
> > of compositor workers' design change.
> >
> > Before this change, compositor workers are exempted from
> > TerminateExecution call because multiple workers can share the same
> > backing thread, but with this change TerminateExecution can be
> > called for a compositor worker when it doesn't start the shutdown
> > sequence in a timely manner.
> >
> > BUG=487050
> >
> > Committed: https://crrev.com/17686215e73797de165dd749f8f77d1388f1ede6
> > Cr-Commit-Position: refs/heads/master@{#400102}
> 
> TBR=nhiroki@chromium.org,flackr@chromium.org,yhirano@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=487050
> 
> Committed: https://crrev.com/bba247eab1816bc571d46f41de6346c3b7fbbfa6
> Cr-Commit-Position: refs/heads/master@{#400133}

TBR=nhiroki@chromium.org,flackr@chromium.org,yhirano@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
BUG=487050
==========

[Henrik Grunell, 2016-06-17 10:04:27]

The CQ bit was checked by grunell@chromium.org

[commit-bot: I haz the power, 2016-06-17 10:04:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2075003003/1

[commit-bot: I haz the power, 2016-06-17 11:30:10]

Description was changed from

==========
Reland of move WorkerBackingThread::scriptCount (patchset #1 id:1 of
https://codereview.chromium.org/2066403003/ )

Reason for revert:
The reverted CL was not the cause of the failure, so I'm reverting the revert.

Original issue's description:
> Revert of Remove WorkerBackingThread::scriptCount (patchset #3 id:80001 of
https://codereview.chromium.org/2053273002/ )
> 
> Reason for revert:
> Two compositorworker tests have failed flakily after this change:
> 
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20ASAN/b...
> 
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20ASAN/b...
> 
> Original issue's description:
> > Remove WorkerBackingThread::scriptCount
> >
> > This CL removes scriptCount from WorkerBackingThread. The count was
> > needed for compositor workers, but we don't need it any more because
> > of compositor workers' design change.
> >
> > Before this change, compositor workers are exempted from
> > TerminateExecution call because multiple workers can share the same
> > backing thread, but with this change TerminateExecution can be
> > called for a compositor worker when it doesn't start the shutdown
> > sequence in a timely manner.
> >
> > BUG=487050
> >
> > Committed: https://crrev.com/17686215e73797de165dd749f8f77d1388f1ede6
> > Cr-Commit-Position: refs/heads/master@{#400102}
> 
> TBR=nhiroki@chromium.org,flackr@chromium.org,yhirano@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=487050
> 
> Committed: https://crrev.com/bba247eab1816bc571d46f41de6346c3b7fbbfa6
> Cr-Commit-Position: refs/heads/master@{#400133}

TBR=nhiroki@chromium.org,flackr@chromium.org,yhirano@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
BUG=487050
==========

to

==========
Reland of move WorkerBackingThread::scriptCount (patchset #1 id:1 of
https://codereview.chromium.org/2066403003/ )

Reason for revert:
The reverted CL was not the cause of the failure, so I'm reverting the revert.

Original issue's description:
> Revert of Remove WorkerBackingThread::scriptCount (patchset #3 id:80001 of
https://codereview.chromium.org/2053273002/ )
> 
> Reason for revert:
> Two compositorworker tests have failed flakily after this change:
> 
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20ASAN/b...
> 
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20ASAN/b...
> 
> Original issue's description:
> > Remove WorkerBackingThread::scriptCount
> >
> > This CL removes scriptCount from WorkerBackingThread. The count was
> > needed for compositor workers, but we don't need it any more because
> > of compositor workers' design change.
> >
> > Before this change, compositor workers are exempted from
> > TerminateExecution call because multiple workers can share the same
> > backing thread, but with this change TerminateExecution can be
> > called for a compositor worker when it doesn't start the shutdown
> > sequence in a timely manner.
> >
> > BUG=487050
> >
> > Committed: https://crrev.com/17686215e73797de165dd749f8f77d1388f1ede6
> > Cr-Commit-Position: refs/heads/master@{#400102}
> 
> TBR=nhiroki@chromium.org,flackr@chromium.org,yhirano@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=487050
> 
> Committed: https://crrev.com/bba247eab1816bc571d46f41de6346c3b7fbbfa6
> Cr-Commit-Position: refs/heads/master@{#400133}

TBR=nhiroki@chromium.org,flackr@chromium.org,yhirano@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
BUG=487050
==========

[commit-bot: I haz the power, 2016-06-17 11:30:11]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-17 11:31:48]

Description was changed from

==========
Reland of move WorkerBackingThread::scriptCount (patchset #1 id:1 of
https://codereview.chromium.org/2066403003/ )

Reason for revert:
The reverted CL was not the cause of the failure, so I'm reverting the revert.

Original issue's description:
> Revert of Remove WorkerBackingThread::scriptCount (patchset #3 id:80001 of
https://codereview.chromium.org/2053273002/ )
> 
> Reason for revert:
> Two compositorworker tests have failed flakily after this change:
> 
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20ASAN/b...
> 
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20ASAN/b...
> 
> Original issue's description:
> > Remove WorkerBackingThread::scriptCount
> >
> > This CL removes scriptCount from WorkerBackingThread. The count was
> > needed for compositor workers, but we don't need it any more because
> > of compositor workers' design change.
> >
> > Before this change, compositor workers are exempted from
> > TerminateExecution call because multiple workers can share the same
> > backing thread, but with this change TerminateExecution can be
> > called for a compositor worker when it doesn't start the shutdown
> > sequence in a timely manner.
> >
> > BUG=487050
> >
> > Committed: https://crrev.com/17686215e73797de165dd749f8f77d1388f1ede6
> > Cr-Commit-Position: refs/heads/master@{#400102}
> 
> TBR=nhiroki@chromium.org,flackr@chromium.org,yhirano@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=487050
> 
> Committed: https://crrev.com/bba247eab1816bc571d46f41de6346c3b7fbbfa6
> Cr-Commit-Position: refs/heads/master@{#400133}

TBR=nhiroki@chromium.org,flackr@chromium.org,yhirano@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
BUG=487050
==========

to

==========
Reland of move WorkerBackingThread::scriptCount (patchset #1 id:1 of
https://codereview.chromium.org/2066403003/ )

Reason for revert:
The reverted CL was not the cause of the failure, so I'm reverting the revert.

Original issue's description:
> Revert of Remove WorkerBackingThread::scriptCount (patchset #3 id:80001 of
https://codereview.chromium.org/2053273002/ )
>
> Reason for revert:
> Two compositorworker tests have failed flakily after this change:
>
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20ASAN/b...
>
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20ASAN/b...
>
> Original issue's description:
> > Remove WorkerBackingThread::scriptCount
> >
> > This CL removes scriptCount from WorkerBackingThread. The count was
> > needed for compositor workers, but we don't need it any more because
> > of compositor workers' design change.
> >
> > Before this change, compositor workers are exempted from
> > TerminateExecution call because multiple workers can share the same
> > backing thread, but with this change TerminateExecution can be
> > called for a compositor worker when it doesn't start the shutdown
> > sequence in a timely manner.
> >
> > BUG=487050
> >
> > Committed: https://crrev.com/17686215e73797de165dd749f8f77d1388f1ede6
> > Cr-Commit-Position: refs/heads/master@{#400102}
>
> TBR=nhiroki@chromium.org,flackr@chromium.org,yhirano@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=487050
>
> Committed: https://crrev.com/bba247eab1816bc571d46f41de6346c3b7fbbfa6
> Cr-Commit-Position: refs/heads/master@{#400133}

TBR=nhiroki@chromium.org,flackr@chromium.org,yhirano@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
BUG=487050

Committed: https://crrev.com/cb73cd4e09dd03434c0d837aefa3dcf7ef2137e9
Cr-Commit-Position: refs/heads/master@{#400413}
==========

[commit-bot: I haz the power, 2016-06-17 11:31:49]

Patchset 1 (id:??) landed as
https://crrev.com/cb73cd4e09dd03434c0d837aefa3dcf7ef2137e9
Cr-Commit-Position: refs/heads/master@{#400413}