Revert of GLContextGLX: try all GL versions from the highest.

Revert of GLContextGLX: try all GL versions from the highest. (patchset #2 id:20001 of https://codereview.chromium.org/2098613004/ )

Reason for revert:
Causes failures on the GPU FYI Linux Intel bot.

Original issue's description:
> GLContextGLX: try all GL versions from the highest.
>
> Also try all ES versions from the highest. This change will allow
> Chrome to create a GL context higher than 3.0 on Mesa and will in turn
> allow WebGL2 to run on Intel Linux when using the native GL driver.
>
> This patch is a direct port of the logic in ANGLE's DisplayGLX
>
> This is a reland of 3464004765597c914d8499ee9792cf81e106a4ae trying a
> compatibility context first instead of a core context. (for non-Mesa
> drivers)
>
> BUG=598902
>
> Review-Url: https://codereview.chromium.org/1999543003
> Committed: https://crrev.com/3d090e4477520e14b782d2398e4a143982e189d4
> Cr-Original-Commit-Position: refs/heads/master@{#396243}
> Cr-Commit-Position: refs/heads/master@{#402291}

TBR=kbr@chromium.org,piman@chromium.org,zmo@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=598902
Committed: https://crrev.com/b81ae31679859a887730a28a50228e416056ee78
Cr-Commit-Position: refs/heads/master@{#402461}

[Corentin Wallez, 2016-06-28 14:23:28]

The CQ bit was checked by cwallez@chromium.org

[Corentin Wallez, 2016-06-28 14:23:29]

Created Revert of GLContextGLX: try all GL versions from the highest.

[commit-bot: I haz the power, 2016-06-28 14:23:53]

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, 2016-06-28 14:24:33]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-28 14:26:54]

Description was changed from

==========
Revert of GLContextGLX: try all GL versions from the highest. (patchset #2
id:20001 of https://codereview.chromium.org/2098613004/ )

Reason for revert:
Causes failures on the GPU FYI Linux Intel bot.

Original issue's description:
> GLContextGLX: try all GL versions from the highest.
> 
> Also try all ES versions from the highest. This change will allow
> Chrome to create a GL context higher than 3.0 on Mesa and will in turn
> allow WebGL2 to run on Intel Linux when using the native GL driver.
> 
> This patch is a direct port of the logic in ANGLE's DisplayGLX
> 
> This is a reland of 3464004765597c914d8499ee9792cf81e106a4ae trying a
> compatibility context first instead of a core context. (for non-Mesa
> drivers)
> 
> BUG=598902
> 
> Review-Url: https://codereview.chromium.org/1999543003
> Committed: https://crrev.com/3d090e4477520e14b782d2398e4a143982e189d4
> Cr-Original-Commit-Position: refs/heads/master@{#396243}
> Cr-Commit-Position: refs/heads/master@{#402291}

TBR=kbr@chromium.org,piman@chromium.org,zmo@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=598902
==========

to

==========
Revert of GLContextGLX: try all GL versions from the highest. (patchset #2
id:20001 of https://codereview.chromium.org/2098613004/ )

Reason for revert:
Causes failures on the GPU FYI Linux Intel bot.

Original issue's description:
> GLContextGLX: try all GL versions from the highest.
>
> Also try all ES versions from the highest. This change will allow
> Chrome to create a GL context higher than 3.0 on Mesa and will in turn
> allow WebGL2 to run on Intel Linux when using the native GL driver.
>
> This patch is a direct port of the logic in ANGLE's DisplayGLX
>
> This is a reland of 3464004765597c914d8499ee9792cf81e106a4ae trying a
> compatibility context first instead of a core context. (for non-Mesa
> drivers)
>
> BUG=598902
>
> Review-Url: https://codereview.chromium.org/1999543003
> Committed: https://crrev.com/3d090e4477520e14b782d2398e4a143982e189d4
> Cr-Original-Commit-Position: refs/heads/master@{#396243}
> Cr-Commit-Position: refs/heads/master@{#402291}

TBR=kbr@chromium.org,piman@chromium.org,zmo@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=598902

Committed: https://crrev.com/b81ae31679859a887730a28a50228e416056ee78
Cr-Commit-Position: refs/heads/master@{#402461}
==========

[commit-bot: I haz the power, 2016-06-28 14:26:55]

Patchset 1 (id:??) landed as
https://crrev.com/b81ae31679859a887730a28a50228e416056ee78
Cr-Commit-Position: refs/heads/master@{#402461}