GitLab

Updated GLImageDXGISwapChain to use EGL Images instead
of pbuffer surfaces, to avoid creating render target view
for front buffer.

Bug: 939655
Change-Id: Iec80f399724ee0509dd95d126c0d3dbb883bb87c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1663014Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Reviewed-by: Sunny Sachanandani <sunnyps@chromium.org>
Commit-Queue: Ashitha Santhosh <ashithasantosh@google.com>
Cr-Commit-Position: refs/heads/master@{#671369}