Reland of Android: Trigger tab placeholder update when activity is paused

Reland of Android: Trigger tab placeholder update when activity is paused (patchset #1 id:1 of https://codereview.chromium.org/2306623002/ )

Reason for reland (revert-of-revert):
Now that https://codereview.chromium.org/2336043004/
has landed, we will free GL context-related ashmem after
the readback and when the app goes to the background.

Original issue's description:
> Revert of Android: Trigger tab placeholder update when activity is paused (patchset #3 id:40001 of https://codereview.chromium.org/2186453004/ )
>
> Reason for revert:
> Seeing lots of memory regression since this landed. Bisects point to this CL with high confidence. See crbug.com/641962.
>
> Original issue's description:
> > Android: Trigger tab placeholder update when activity is paused
> >
> > This makes sure we have a placeholder bitmap when we resume
> > and don't have a frame from the renderer yet.
> >
> > BUG=636630
> >
> > Committed: https://crrev.com/0a1f48d5cb6a5d263f85bc5322912b7f703c40ac
> > Cr-Commit-Position: refs/heads/master@{#414822}
>
> TBR=dtrainor@chromium.org,sievers@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=636630, 641962
>
> Committed: https://crrev.com/be54d2fa0b7a766b0391de082eebeeee53888397
> Cr-Commit-Position: refs/heads/master@{#415990}

TBR=dtrainor@chromium.org,primiano@chromium.org,mustaq@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=636630, 641962
Committed: https://crrev.com/5d34220f9b827cfd514e03ba6215286f2467f29d
Cr-Commit-Position: refs/heads/master@{#421390}

[no sievers, 2016-09-27 23:16:54]

Created Reland of Android: Trigger tab placeholder update when activity is
paused

[no sievers, 2016-09-27 23:17:27]

Description was changed from

==========
Reland of Android: Trigger tab placeholder update when activity is paused
(patchset #1 id:1 of https://codereview.chromium.org/2306623002/ )

Reason for revert:
Now that https://codereview.chromium.org/2336043004/ has landed,
we will free GL context-related ashmem after
the readback and when the app goes to the
background.

Original issue's description:
> Revert of Android: Trigger tab placeholder update when activity is paused
(patchset #3 id:40001 of https://codereview.chromium.org/2186453004/ )
> 
> Reason for revert:
> Seeing lots of memory regression since this landed. Bisects point to this CL
with high confidence. See crbug.com/641962.
> 
> Original issue's description:
> > Android: Trigger tab placeholder update when activity is paused
> >
> > This makes sure we have a placeholder bitmap when we resume
> > and don't have a frame from the renderer yet.
> >
> > BUG=636630
> >
> > Committed: https://crrev.com/0a1f48d5cb6a5d263f85bc5322912b7f703c40ac
> > Cr-Commit-Position: refs/heads/master@{#414822}
> 
> TBR=dtrainor@chromium.org,sievers@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=636630,641962
> 
> Committed: https://crrev.com/be54d2fa0b7a766b0391de082eebeeee53888397
> Cr-Commit-Position: refs/heads/master@{#415990}

TBR=dtrainor@chromium.org,primiano@chromium.org,mustaq@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=636630,641962
==========

to

==========
Reland of Android: Trigger tab placeholder update when activity is paused
(patchset #1 id:1 of https://codereview.chromium.org/2306623002/ )

Reason for revert:
Now that https://codereview.chromium.org/2336043004/
has landed, we will free GL context-related ashmem after
the readback and when the app goes to the background.

Original issue's description:
> Revert of Android: Trigger tab placeholder update when activity is paused
(patchset #3 id:40001 of https://codereview.chromium.org/2186453004/ )
> 
> Reason for revert:
> Seeing lots of memory regression since this landed. Bisects point to this CL
with high confidence. See crbug.com/641962.
> 
> Original issue's description:
> > Android: Trigger tab placeholder update when activity is paused
> >
> > This makes sure we have a placeholder bitmap when we resume
> > and don't have a frame from the renderer yet.
> >
> > BUG=636630
> >
> > Committed: https://crrev.com/0a1f48d5cb6a5d263f85bc5322912b7f703c40ac
> > Cr-Commit-Position: refs/heads/master@{#414822}
> 
> TBR=dtrainor@chromium.org,sievers@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=636630,641962
> 
> Committed: https://crrev.com/be54d2fa0b7a766b0391de082eebeeee53888397
> Cr-Commit-Position: refs/heads/master@{#415990}

TBR=dtrainor@chromium.org,primiano@chromium.org,mustaq@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=636630,641962
==========

[no sievers, 2016-09-27 23:17:51]

Description was changed from

==========
Reland of Android: Trigger tab placeholder update when activity is paused
(patchset #1 id:1 of https://codereview.chromium.org/2306623002/ )

Reason for revert:
Now that https://codereview.chromium.org/2336043004/
has landed, we will free GL context-related ashmem after
the readback and when the app goes to the background.

Original issue's description:
> Revert of Android: Trigger tab placeholder update when activity is paused
(patchset #3 id:40001 of https://codereview.chromium.org/2186453004/ )
> 
> Reason for revert:
> Seeing lots of memory regression since this landed. Bisects point to this CL
with high confidence. See crbug.com/641962.
> 
> Original issue's description:
> > Android: Trigger tab placeholder update when activity is paused
> >
> > This makes sure we have a placeholder bitmap when we resume
> > and don't have a frame from the renderer yet.
> >
> > BUG=636630
> >
> > Committed: https://crrev.com/0a1f48d5cb6a5d263f85bc5322912b7f703c40ac
> > Cr-Commit-Position: refs/heads/master@{#414822}
> 
> TBR=dtrainor@chromium.org,sievers@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=636630,641962
> 
> Committed: https://crrev.com/be54d2fa0b7a766b0391de082eebeeee53888397
> Cr-Commit-Position: refs/heads/master@{#415990}

TBR=dtrainor@chromium.org,primiano@chromium.org,mustaq@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=636630,641962
==========

to

==========
Reland of Android: Trigger tab placeholder update when activity is paused
(patchset #1 id:1 of https://codereview.chromium.org/2306623002/ )

Reason for reland (revert-of-revert):
Now that https://codereview.chromium.org/2336043004/
has landed, we will free GL context-related ashmem after
the readback and when the app goes to the background.

Original issue's description:
> Revert of Android: Trigger tab placeholder update when activity is paused
(patchset #3 id:40001 of https://codereview.chromium.org/2186453004/ )
> 
> Reason for revert:
> Seeing lots of memory regression since this landed. Bisects point to this CL
with high confidence. See crbug.com/641962.
> 
> Original issue's description:
> > Android: Trigger tab placeholder update when activity is paused
> >
> > This makes sure we have a placeholder bitmap when we resume
> > and don't have a frame from the renderer yet.
> >
> > BUG=636630
> >
> > Committed: https://crrev.com/0a1f48d5cb6a5d263f85bc5322912b7f703c40ac
> > Cr-Commit-Position: refs/heads/master@{#414822}
> 
> TBR=dtrainor@chromium.org,sievers@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=636630,641962
> 
> Committed: https://crrev.com/be54d2fa0b7a766b0391de082eebeeee53888397
> Cr-Commit-Position: refs/heads/master@{#415990}

TBR=dtrainor@chromium.org,primiano@chromium.org,mustaq@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=636630,641962
==========

[no sievers, 2016-09-27 23:18:06]

The CQ bit was checked by sievers@chromium.org

[commit-bot: I haz the power, 2016-09-27 23:18:19]

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, 2016-09-27 23:59:57]

Description was changed from

==========
Reland of Android: Trigger tab placeholder update when activity is paused
(patchset #1 id:1 of https://codereview.chromium.org/2306623002/ )

Reason for reland (revert-of-revert):
Now that https://codereview.chromium.org/2336043004/
has landed, we will free GL context-related ashmem after
the readback and when the app goes to the background.

Original issue's description:
> Revert of Android: Trigger tab placeholder update when activity is paused
(patchset #3 id:40001 of https://codereview.chromium.org/2186453004/ )
> 
> Reason for revert:
> Seeing lots of memory regression since this landed. Bisects point to this CL
with high confidence. See crbug.com/641962.
> 
> Original issue's description:
> > Android: Trigger tab placeholder update when activity is paused
> >
> > This makes sure we have a placeholder bitmap when we resume
> > and don't have a frame from the renderer yet.
> >
> > BUG=636630
> >
> > Committed: https://crrev.com/0a1f48d5cb6a5d263f85bc5322912b7f703c40ac
> > Cr-Commit-Position: refs/heads/master@{#414822}
> 
> TBR=dtrainor@chromium.org,sievers@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=636630,641962
> 
> Committed: https://crrev.com/be54d2fa0b7a766b0391de082eebeeee53888397
> Cr-Commit-Position: refs/heads/master@{#415990}

TBR=dtrainor@chromium.org,primiano@chromium.org,mustaq@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=636630,641962
==========

to

==========
Reland of Android: Trigger tab placeholder update when activity is paused
(patchset #1 id:1 of https://codereview.chromium.org/2306623002/ )

Reason for reland (revert-of-revert):
Now that https://codereview.chromium.org/2336043004/
has landed, we will free GL context-related ashmem after
the readback and when the app goes to the background.

Original issue's description:
> Revert of Android: Trigger tab placeholder update when activity is paused
(patchset #3 id:40001 of https://codereview.chromium.org/2186453004/ )
> 
> Reason for revert:
> Seeing lots of memory regression since this landed. Bisects point to this CL
with high confidence. See crbug.com/641962.
> 
> Original issue's description:
> > Android: Trigger tab placeholder update when activity is paused
> >
> > This makes sure we have a placeholder bitmap when we resume
> > and don't have a frame from the renderer yet.
> >
> > BUG=636630
> >
> > Committed: https://crrev.com/0a1f48d5cb6a5d263f85bc5322912b7f703c40ac
> > Cr-Commit-Position: refs/heads/master@{#414822}
> 
> TBR=dtrainor@chromium.org,sievers@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=636630,641962
> 
> Committed: https://crrev.com/be54d2fa0b7a766b0391de082eebeeee53888397
> Cr-Commit-Position: refs/heads/master@{#415990}

TBR=dtrainor@chromium.org,primiano@chromium.org,mustaq@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=636630,641962
==========

[commit-bot: I haz the power, 2016-09-27 23:59:58]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-28 00:01:18]

Description was changed from

==========
Reland of Android: Trigger tab placeholder update when activity is paused
(patchset #1 id:1 of https://codereview.chromium.org/2306623002/ )

Reason for reland (revert-of-revert):
Now that https://codereview.chromium.org/2336043004/
has landed, we will free GL context-related ashmem after
the readback and when the app goes to the background.

Original issue's description:
> Revert of Android: Trigger tab placeholder update when activity is paused
(patchset #3 id:40001 of https://codereview.chromium.org/2186453004/ )
> 
> Reason for revert:
> Seeing lots of memory regression since this landed. Bisects point to this CL
with high confidence. See crbug.com/641962.
> 
> Original issue's description:
> > Android: Trigger tab placeholder update when activity is paused
> >
> > This makes sure we have a placeholder bitmap when we resume
> > and don't have a frame from the renderer yet.
> >
> > BUG=636630
> >
> > Committed: https://crrev.com/0a1f48d5cb6a5d263f85bc5322912b7f703c40ac
> > Cr-Commit-Position: refs/heads/master@{#414822}
> 
> TBR=dtrainor@chromium.org,sievers@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=636630,641962
> 
> Committed: https://crrev.com/be54d2fa0b7a766b0391de082eebeeee53888397
> Cr-Commit-Position: refs/heads/master@{#415990}

TBR=dtrainor@chromium.org,primiano@chromium.org,mustaq@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=636630,641962
==========

to

==========
Reland of Android: Trigger tab placeholder update when activity is paused
(patchset #1 id:1 of https://codereview.chromium.org/2306623002/ )

Reason for reland (revert-of-revert):
Now that https://codereview.chromium.org/2336043004/
has landed, we will free GL context-related ashmem after
the readback and when the app goes to the background.

Original issue's description:
> Revert of Android: Trigger tab placeholder update when activity is paused
(patchset #3 id:40001 of https://codereview.chromium.org/2186453004/ )
>
> Reason for revert:
> Seeing lots of memory regression since this landed. Bisects point to this CL
with high confidence. See crbug.com/641962.
>
> Original issue's description:
> > Android: Trigger tab placeholder update when activity is paused
> >
> > This makes sure we have a placeholder bitmap when we resume
> > and don't have a frame from the renderer yet.
> >
> > BUG=636630
> >
> > Committed: https://crrev.com/0a1f48d5cb6a5d263f85bc5322912b7f703c40ac
> > Cr-Commit-Position: refs/heads/master@{#414822}
>
> TBR=dtrainor@chromium.org,sievers@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=636630,641962
>
> Committed: https://crrev.com/be54d2fa0b7a766b0391de082eebeeee53888397
> Cr-Commit-Position: refs/heads/master@{#415990}

TBR=dtrainor@chromium.org,primiano@chromium.org,mustaq@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=636630,641962

Committed: https://crrev.com/5d34220f9b827cfd514e03ba6215286f2467f29d
Cr-Commit-Position: refs/heads/master@{#421390}
==========

[commit-bot: I haz the power, 2016-09-28 00:01:19]

Patchset 1 (id:??) landed as
https://crrev.com/5d34220f9b827cfd514e03ba6215286f2467f29d
Cr-Commit-Position: refs/heads/master@{#421390}