[cogl] (3 commits) Non-fast-forward update to branch wip/rib/frame-synchronization

[Robert Bragg <rbragg src gnome org>]

The branch 'wip/rib/frame-synchronization' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 http://live.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  d8926ed... Prefer OML_sync_control over SGI_video_sync when waiting fo
  75a2037... onscreen: Add CoglFrameInfo and _add_frame_callback() api
  30b2bb3... Add cogl_clock_get_time()

Commits added to the branch:

  aba4bda... Prefer OML_sync_control over SGI_video_sync when waiting fo
  2621839... onscreen: Add CoglFrameInfo and _add_frame_callback() api
  5162a61... Add cogl_clock_get_time()