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This is a reland of 46c9a968. Original
is in patch set 1. Disable gpu backing in D3D9 to handle the failure case.

Original change's description:
> Support imageBitmap generated from video by GPU resource
>
> This patch replaces the backed resource of imageBimap generated from
> video element to GPU resource.
>
> The old path has been used as fallback path.
>
> BUG=1098445

Bug: 1105923, 1098445
Change-Id: I08606e3a9c91b5ecc5e91359689680a0c3981f57
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2304209Reviewed-by: Khushal <khushalsagar@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Shaobo Yan <shaobo.yan@intel.com>
Cr-Commit-Position: refs/heads/master@{#790244}