GitLab

- The image format used wasn't supported with the memory buffer framework
- The glClear on the init path causes an INVALID_FRAMEBUFFER_OPERATION error
  when executed with no framebuffer, as in the surfaceless case

BUG=380861

Review URL: https://codereview.chromium.org/592933003

Cr-Commit-Position: refs/heads/master@{#297003}