Revert of Enable creation of offscreen contexts which own their backing surface.

Revert of Enable creation of offscreen contexts which own their backing surface. (patchset #12 id:220001 of https://codereview.chromium.org/2586803003/ )

Reason for revert:
Causes out-of-order frames and tearing in WebVR.

Original issue's description:
> Enable creation of offscreen contexts which own their backing surface.
> 
> This is adapted from bajones's patch from issue 2461803002 at patchset 1
> (http://crrev.com/2461803002#ps1)
> 
> Uses the own_offscreen_surface flag with WebGL contexts when WebVR is enabled,
> to allow the surface to be swapped out with a compatible one if used for VR
> presentation.
> 
> Includes support for canvas attributes such as "antialias", and adds a "low
> priority" GL context option so that postprocessing such as in WebVR frame
> submit at normal priority won't get blocked on the next frame being drawn.
> 
> BUG=655722
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
> 
> Review-Url: https://codereview.chromium.org/2586803003
> Cr-Commit-Position: refs/heads/master@{#442448}
> Committed: https://chromium.googlesource.com/chromium/src/+/46b9f6aaaf5851014c2474365734e71ffe9367a0

TBR=aelias@chromium.org,bajones@chromium.org,dcheng@chromium.org,jbauman@chromium.org,klausw@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=655722
Review-Url: https://codereview.chromium.org/2628963002
Cr-Commit-Position: refs/heads/master@{#443039}
Committed: https://chromium.googlesource.com/chromium/src/+/a08094dee4ad5de452d011f1bdd9714815739348

[mthiesse, 2017-01-11 19:48:46]

The CQ bit was checked by mthiesse@chromium.org

[mthiesse, 2017-01-11 19:48:47]

Created Revert of Enable creation of offscreen contexts which own their backing
surface.

[commit-bot: I haz the power, 2017-01-11 19:49:32]

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

[klausw, 2017-01-11 20:07:31]

On 2017/01/11 19:48:47, mthiesse wrote:
> Created Revert of Enable creation of offscreen contexts which own their
backing
> surface.

Sadly LGTM. Looks like we can't use this approach through the current compositor
path.

[commit-bot: I haz the power, 2017-01-11 20:09:34]

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

[commit-bot: I haz the power, 2017-01-11 20:09:36]

Try jobs failed on following builders:
  linux_android_rel_ng on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/linux_androi...)

[mthiesse, 2017-01-11 20:18:23]

The CQ bit was checked by mthiesse@chromium.org

[commit-bot: I haz the power, 2017-01-11 20:19:09]

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, 2017-01-11 20:28:59]

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

[commit-bot: I haz the power, 2017-01-11 20:29:00]

Try jobs failed on following builders:
  android_clang_dbg_recipe on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/android_clan...)

[mthiesse, 2017-01-11 20:45:02]

The CQ bit was checked by mthiesse@chromium.org

[commit-bot: I haz the power, 2017-01-11 20:45:46]

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, 2017-01-11 22:59:57]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484167502068500, "parent_rev":
"e0ba8c7a2c6f419d37532d31c79d2eaf62723ce8", "commit_rev":
"a08094dee4ad5de452d011f1bdd9714815739348"}

[commit-bot: I haz the power, 2017-01-11 23:00:27]

Description was changed from

==========
Revert of Enable creation of offscreen contexts which own their backing surface.
(patchset #12 id:220001 of https://codereview.chromium.org/2586803003/ )

Reason for revert:
Causes out-of-order frames and tearing in WebVR.

Original issue's description:
> Enable creation of offscreen contexts which own their backing surface.
> 
> This is adapted from bajones's patch from issue 2461803002 at patchset 1
> (http://crrev.com/2461803002#ps1)
> 
> Uses the own_offscreen_surface flag with WebGL contexts when WebVR is enabled,
> to allow the surface to be swapped out with a compatible one if used for VR
> presentation.
> 
> Includes support for canvas attributes such as "antialias", and adds a "low
> priority" GL context option so that postprocessing such as in WebVR frame
> submit at normal priority won't get blocked on the next frame being drawn.
> 
> BUG=655722
>
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
> 
> Review-Url: https://codereview.chromium.org/2586803003
> Cr-Commit-Position: refs/heads/master@{#442448}
> Committed:
https://chromium.googlesource.com/chromium/src/+/46b9f6aaaf5851014c2474365734...

TBR=aelias@chromium.org,bajones@chromium.org,dcheng@chromium.org,jbauman@chro...
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=655722
==========

to

==========
Revert of Enable creation of offscreen contexts which own their backing surface.
(patchset #12 id:220001 of https://codereview.chromium.org/2586803003/ )

Reason for revert:
Causes out-of-order frames and tearing in WebVR.

Original issue's description:
> Enable creation of offscreen contexts which own their backing surface.
> 
> This is adapted from bajones's patch from issue 2461803002 at patchset 1
> (http://crrev.com/2461803002#ps1)
> 
> Uses the own_offscreen_surface flag with WebGL contexts when WebVR is enabled,
> to allow the surface to be swapped out with a compatible one if used for VR
> presentation.
> 
> Includes support for canvas attributes such as "antialias", and adds a "low
> priority" GL context option so that postprocessing such as in WebVR frame
> submit at normal priority won't get blocked on the next frame being drawn.
> 
> BUG=655722
>
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
> 
> Review-Url: https://codereview.chromium.org/2586803003
> Cr-Commit-Position: refs/heads/master@{#442448}
> Committed:
https://chromium.googlesource.com/chromium/src/+/46b9f6aaaf5851014c2474365734...

TBR=aelias@chromium.org,bajones@chromium.org,dcheng@chromium.org,jbauman@chro...
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=655722

Review-Url: https://codereview.chromium.org/2628963002
Cr-Commit-Position: refs/heads/master@{#443039}
Committed:
https://chromium.googlesource.com/chromium/src/+/a08094dee4ad5de452d011f1bdd9...
==========

[commit-bot: I haz the power, 2017-01-11 23:00:35]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/a08094dee4ad5de452d011f1bdd9...