This change adds WebGL support in mandoline. It also adds GL
chromium_framebuffer_multisample extension which is need by
WebGL.

TODO:
  * Pass attributes to GPU when create WebGL context.
  * Get GPU info and fill it into glinfo.

TEST= mandoline --enable-webgl http://learningwebgl.com/lessons/lesson03/index.html
BUG=525159
NOPRESUBMIT=true

Committed: https://crrev.com/ab7a90daddbe7d44558d8703b12204570ae98431
Cr-Commit-Position: refs/heads/master@{#349206}

Review URL: https://codereview.chromium.org/1338433002

Cr-Commit-Position: refs/heads/master@{#349242}


CrOS-Libchrome-Original-Commit: 6bd2a1feef1e8dba69070989a553ca022540384f
3 files changed
tree: 29a31bdfe451de4048d45c6755d60b8ce67f99e8
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/