* Some unsized DEPTH_COMPONENT combinations were not added to the validation
   tables for the ANGLE_depth_texture extension.
 * The HALF_FLOAT_OES format was not validated in ES3 for RGB and RGBA formats
   when the OES_texture_half_float extension is supported.
 * BGRA->BGRA CopyTexImage validation was missing.

No more errors are generated within ANGLE when visiting
http://alteredqualia.com/tools/webgl-features/

BUG=605754

Change-Id: If654c34adcebb4cd3eaa994ad7e912f6ffa4df55
Reviewed-on: https://chromium-review.googlesource.com/376281Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>