This reverts commit 20bf7034.

Broke GL2ExtensionTests_compressed_etc1_rgb8_texture_input_run on win bots

Change-Id: I2b48aac1512d916671d41e03f0409c404d6d7c88
Reviewed-on: https://chromium-review.googlesource.com/299429Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Tested-by: Zhenyao Mo <zmo@chromium.org>