Remove GL_CHROMIUM_iosurface extension

It has not been used in a long time. IOSurface-backed textures are
created via GpuMemoryBuffer and GLImage infrastructure.

BUG=
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
NOPRESUBMIT=true

Review-Url: https://codereview.chromium.org/2021413003
Cr-Commit-Position: refs/heads/master@{#397257}


CrOS-Libchrome-Original-Commit: a55c2859597c6377c6b1d01dfc7cf14d87fed81b
2 files changed
tree: 04b3f65f67b6ddc46df20514da2f1f295a50b620
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/