Enable RTCVideoDecoder SW H264 fallback only when it is available

Enable RTCVideoDecoder SW H264 fallback only when it is available

Extensions have HW H264 encode enabled in 51. However SW implementations
of H264 isn't enabled by default. So, we need to be careful about SW fallback
as we cannot do it when it isn't available.

BUG=615513
Review-Url: https://codereview.chromium.org/2024303003
Cr-Commit-Position: refs/heads/master@{#397856}
(cherry picked from commit 177cc1d1d66346ea9e2e85ecb3d6812e13b11907)

NOTRY=true
NOPRESUBMIT=true
TBR=mcasas@chromium.org

[emircan, 2016-06-06 20:44:44]

Description was changed from

==========
Enable RTCVideoDecoder SW H264 fallback only when it is available

Extensions have HW H264 encode enabled in 51. However SW implementations
of H264 isn't enabled by default. So, we need to be careful about SW fallback
as we cannot do it when it isn't available.

BUG=615513

Review-Url: https://codereview.chromium.org/2024303003
Cr-Commit-Position: refs/heads/master@{#397856}
(cherry picked from commit 177cc1d1d66346ea9e2e85ecb3d6812e13b11907)
==========

to

==========
Enable RTCVideoDecoder SW H264 fallback only when it is available

Extensions have HW H264 encode enabled in 51. However SW implementations
of H264 isn't enabled by default. So, we need to be careful about SW fallback
as we cannot do it when it isn't available.

BUG=615513

Review-Url: https://codereview.chromium.org/2024303003
Cr-Commit-Position: refs/heads/master@{#397856}
(cherry picked from commit 177cc1d1d66346ea9e2e85ecb3d6812e13b11907)

NOTRY=true
NOPRESUBMIT=true
TBR=mcasas@chromium.org
==========

[emircan, 2016-06-06 20:44:56]

The CQ bit was checked by emircan@chromium.org

[commit-bot: I haz the power, 2016-06-06 20:45:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2044643002/20001

[commit-bot: I haz the power, 2016-06-06 20:47:07]

Description was changed from

==========
Enable RTCVideoDecoder SW H264 fallback only when it is available

Extensions have HW H264 encode enabled in 51. However SW implementations
of H264 isn't enabled by default. So, we need to be careful about SW fallback
as we cannot do it when it isn't available.

BUG=615513

Review-Url: https://codereview.chromium.org/2024303003
Cr-Commit-Position: refs/heads/master@{#397856}
(cherry picked from commit 177cc1d1d66346ea9e2e85ecb3d6812e13b11907)

NOTRY=true
NOPRESUBMIT=true
TBR=mcasas@chromium.org
==========

to

==========
Enable RTCVideoDecoder SW H264 fallback only when it is available

Extensions have HW H264 encode enabled in 51. However SW implementations
of H264 isn't enabled by default. So, we need to be careful about SW fallback
as we cannot do it when it isn't available.

BUG=615513

Review-Url: https://codereview.chromium.org/2024303003
Cr-Commit-Position: refs/heads/master@{#397856}
(cherry picked from commit 177cc1d1d66346ea9e2e85ecb3d6812e13b11907)

NOTRY=true
NOPRESUBMIT=true
TBR=mcasas@chromium.org
==========

[commit-bot: I haz the power, 2016-06-06 20:47:13]

Committed patchset #2 (id:20001)