Add future sync point methods to ContextSupport.

Add future sync point methods to ContextSupport.

This way they can be used by the compositor or another consumer.

BUG=365454
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=283372

[piman, 2014-07-11 22:24:32]

lgtm

https://codereview.chromium.org/362863002/diff/20001/gpu/GLES2/extensions/CHR...
File gpu/GLES2/extensions/CHROMIUM/CHROMIUM_sync_point.txt (right):

https://codereview.chromium.org/362863002/diff/20001/gpu/GLES2/extensions/CHR...
gpu/GLES2/extensions/CHROMIUM/CHROMIUM_sync_point.txt:59: a context is
"trusted", which is defined by the implementation.
nit: could we add a static query, or an extension string (e.g.
CHROMIUM_sync_point_trusted) so that the client can test it?

https://codereview.chromium.org/362863002/diff/20001/gpu/command_buffer/clien...
File gpu/command_buffer/client/gles2_implementation.cc (right):

https://codereview.chromium.org/362863002/diff/20001/gpu/command_buffer/clien...
gpu/command_buffer/client/gles2_implementation.cc:3996: GPU_CLIENT_LOG("[" <<
GetLogPrefix() << "] glInsertFutureSyncPointCHROMIUM");
nit: can we add a DCHECK(capabilities_.future_sync_points)

https://codereview.chromium.org/362863002/diff/20001/gpu/command_buffer/clien...
gpu/command_buffer/client/gles2_implementation.cc:4004: << sync_point << ")");
nit: DCHECK here too.

[jbauman, 2014-07-15 20:57:12]

The CQ bit was checked by jbauman@chromium.org

[commit-bot: I haz the power, 2014-07-15 21:01:13]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/jbauman@chromium.org/362863002/40001

[commit-bot: I haz the power, 2014-07-16 01:29:41]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  android_dbg_triggered_tests on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/android_dbg_triggered...)

[commit-bot: I haz the power, 2014-07-16 01:52:41]

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

[commit-bot: I haz the power, 2014-07-16 01:52:42]

Try jobs failed on following builders:
  android_dbg_triggered_tests on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/android_dbg_triggered...)

[jbauman, 2014-07-16 05:59:23]

The CQ bit was checked by jbauman@chromium.org

[commit-bot: I haz the power, 2014-07-16 06:00:26]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/jbauman@chromium.org/362863002/40001

[commit-bot: I haz the power, 2014-07-16 06:06:31]

Change committed as 283372