Revert of Introduce an IsMutable method on VideoFrameBuffer.

Revert of Introduce an IsMutable method on VideoFrameBuffer. (patchset #1 id:1 of https://codereview.webrtc.org/1881933004/ )

Reason for revert:
This is breaking all FYI bots.
The new virtual method is not implemented on the Chromium side yet.

Original issue's description:
> Introduce an IsMutable method on VideoFrameBuffer.
>
> Unlike HasOneRef, it can be overridden to always return false in
> immutable subclasses.
>
> I'm also investigating overiding it in PooledI420Buffer, to directly
> inherit I420Buffer but ignore the reference from the pool. Still
> unclear if that will work out.
>
> BUG=webrtc:5682
>
> Committed: https://crrev.com/6bd10f2c1ac912cbe5addd880e559d59274c60e6
> Cr-Commit-Position: refs/heads/master@{#12365}

TBR=magjed@webrtc.org,perkj@webrtc.org,pbos@webrtc.org,nisse@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:5682
Committed: https://crrev.com/dad23d06aa1c679fc2dbbabeab64f293e886b8e3
Cr-Commit-Position: refs/heads/master@{#12366}

[guidou, 2016-04-14 16:34:39]

Created Revert of Introduce an IsMutable method on VideoFrameBuffer.

[commit-bot: I haz the power, 2016-04-14 16:34:46]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1885943004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1885943004/1

[commit-bot: I haz the power, 2016-04-14 16:34:59]

Description was changed from

==========
Revert of Introduce an IsMutable method on VideoFrameBuffer. (patchset #1 id:1
of https://codereview.webrtc.org/1881933004/ )

Reason for revert:
This is breaking all FYI bots.
The new virtual method is not implemented on the Chromium side yet.

Original issue's description:
> Introduce an IsMutable method on VideoFrameBuffer.
> 
> Unlike HasOneRef, it can be overridden to always return false in
> immutable subclasses.
> 
> I'm also investigating overiding it in PooledI420Buffer, to directly
> inherit I420Buffer but ignore the reference from the pool. Still
> unclear if that will work out.
> 
> BUG=webrtc:5682
> 
> Committed: https://crrev.com/6bd10f2c1ac912cbe5addd880e559d59274c60e6
> Cr-Commit-Position: refs/heads/master@{#12365}

TBR=magjed@webrtc.org,perkj@webrtc.org,pbos@webrtc.org,nisse@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:5682
==========

to

==========
Revert of Introduce an IsMutable method on VideoFrameBuffer. (patchset #1 id:1
of https://codereview.webrtc.org/1881933004/ )

Reason for revert:
This is breaking all FYI bots.
The new virtual method is not implemented on the Chromium side yet.

Original issue's description:
> Introduce an IsMutable method on VideoFrameBuffer.
> 
> Unlike HasOneRef, it can be overridden to always return false in
> immutable subclasses.
> 
> I'm also investigating overiding it in PooledI420Buffer, to directly
> inherit I420Buffer but ignore the reference from the pool. Still
> unclear if that will work out.
> 
> BUG=webrtc:5682
> 
> Committed: https://crrev.com/6bd10f2c1ac912cbe5addd880e559d59274c60e6
> Cr-Commit-Position: refs/heads/master@{#12365}

TBR=magjed@webrtc.org,perkj@webrtc.org,pbos@webrtc.org,nisse@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:5682
==========

[commit-bot: I haz the power, 2016-04-14 16:35:00]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-14 16:35:09]

Description was changed from

==========
Revert of Introduce an IsMutable method on VideoFrameBuffer. (patchset #1 id:1
of https://codereview.webrtc.org/1881933004/ )

Reason for revert:
This is breaking all FYI bots.
The new virtual method is not implemented on the Chromium side yet.

Original issue's description:
> Introduce an IsMutable method on VideoFrameBuffer.
> 
> Unlike HasOneRef, it can be overridden to always return false in
> immutable subclasses.
> 
> I'm also investigating overiding it in PooledI420Buffer, to directly
> inherit I420Buffer but ignore the reference from the pool. Still
> unclear if that will work out.
> 
> BUG=webrtc:5682
> 
> Committed: https://crrev.com/6bd10f2c1ac912cbe5addd880e559d59274c60e6
> Cr-Commit-Position: refs/heads/master@{#12365}

TBR=magjed@webrtc.org,perkj@webrtc.org,pbos@webrtc.org,nisse@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:5682
==========

to

==========
Revert of Introduce an IsMutable method on VideoFrameBuffer. (patchset #1 id:1
of https://codereview.webrtc.org/1881933004/ )

Reason for revert:
This is breaking all FYI bots.
The new virtual method is not implemented on the Chromium side yet.

Original issue's description:
> Introduce an IsMutable method on VideoFrameBuffer.
>
> Unlike HasOneRef, it can be overridden to always return false in
> immutable subclasses.
>
> I'm also investigating overiding it in PooledI420Buffer, to directly
> inherit I420Buffer but ignore the reference from the pool. Still
> unclear if that will work out.
>
> BUG=webrtc:5682
>
> Committed: https://crrev.com/6bd10f2c1ac912cbe5addd880e559d59274c60e6
> Cr-Commit-Position: refs/heads/master@{#12365}

TBR=magjed@webrtc.org,perkj@webrtc.org,pbos@webrtc.org,nisse@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:5682

Committed: https://crrev.com/dad23d06aa1c679fc2dbbabeab64f293e886b8e3
Cr-Commit-Position: refs/heads/master@{#12366}
==========

[commit-bot: I haz the power, 2016-04-14 16:35:10]

Patchset 1 (id:??) landed as
https://crrev.com/dad23d06aa1c679fc2dbbabeab64f293e886b8e3
Cr-Commit-Position: refs/heads/master@{#12366}