GVDA, vdatest: Enable V4L2SliceVideoDecodeAccelerator.

GVDA, vdatest: Enable V4L2SliceVideoDecodeAccelerator.

Instantiate V4L2SVDA in GVDA and vdatest to be used if the hardware
cannot support the current frame-based API and try to use slice-based API
instead.

BUG=chrome-os-partner:33728
TEST=vdatest,veatest,apprtc,video playback

Committed: https://crrev.com/daa138be4bc9374516fa0f779cc5e5fb8c38fbe4
Cr-Commit-Position: refs/heads/master@{#311465}

[Pawel Osciak, 2015-01-12 03:36:20]

posciak@chromium.org changed reviewers:
+ henryhsu@chromium.org, kcwu@chromium.org, wuchengli@chromium.org

[Pawel Osciak, 2015-01-12 03:36:25]

ptal

[Pawel Osciak, 2015-01-12 03:36:25]

ptal

[wuchengli, 2015-01-12 06:05:55]

LGTM.

https://codereview.chromium.org/808973004/diff/1/content/common/gpu/media/vid...
File content/common/gpu/media/video_decode_accelerator_unittest.cc (right):

https://codereview.chromium.org/808973004/diff/1/content/common/gpu/media/vid...
content/common/gpu/media/video_decode_accelerator_unittest.cc:461:
GLRenderingVDAClient::CreateV4L2SliceVDA() {
We have more duplication like this in GVDA and VDA test. If we have more VDA in
the future, we should merge VDA creation functions in GVDA and vda test. Also
GVEA and vea test. We don't need to do it in this CL.

[Pawel Osciak, 2015-01-14 10:49:55]

The CQ bit was checked by posciak@chromium.org

[commit-bot: I haz the power, 2015-01-14 10:50:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/808973004/1

[Pawel Osciak, 2015-01-14 11:37:04]

The CQ bit was unchecked by posciak@chromium.org

[Pawel Osciak, 2015-01-14 12:59:09]

The CQ bit was checked by posciak@chromium.org

[commit-bot: I haz the power, 2015-01-14 13:00:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/808973004/1

[commit-bot: I haz the power, 2015-01-14 13:00:53]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-01-14 13:02:57]

Patchset 1 (id:??) landed as
https://crrev.com/daa138be4bc9374516fa0f779cc5e5fb8c38fbe4
Cr-Commit-Position: refs/heads/master@{#311465}

[Ken Rockot(use gerrit already), 2015-01-14 22:50:07]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/848233002/ by rockot@chromium.org.

The reason for reverting is: Dependent on
https://codereview.chromium.org/852103002/ which was reverted due to arm
breakage.