Revert of Move CoreVideoFrameBuffer from webrtc/common_video/ to webrtc/sdk/objc/

Revert of Move CoreVideoFrameBuffer from webrtc/common_video/ to webrtc/sdk/objc/ (patchset #2 id:60001 of https://codereview.webrtc.org/2851563003/ )

Reason for revert:
Breaks downstream targets.

Original issue's description:
> Move CoreVideoFrameBuffer from webrtc/common_video/ to webrtc/sdk/objc/
> 
> CoreVideoFrameBuffer is Mac/iPhone specific and should be moved into
> the webrtc/sdk/objc/ folder.
> 
> BUG=None
> 
> Review-Url: https://codereview.webrtc.org/2851563003
> Cr-Commit-Position: refs/heads/master@{#17998}
> Committed: https://chromium.googlesource.com/external/webrtc/+/d41631aa274e926c4fba1600cbcfbc18020eb35a

TBR=kthelgason@webrtc.org,magjed@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=None

Review-Url: https://codereview.webrtc.org/2862663003
Cr-Commit-Position: refs/heads/master@{#18004}
Committed: https://chromium.googlesource.com/external/webrtc/+/c34e730896032ae730b5917306bb4f79e62d03dd

[ehmaldonado_webrtc, 2017-05-03 20:25:24]

The CQ bit was checked by ehmaldonado@webrtc.org

[ehmaldonado_webrtc, 2017-05-03 20:25:24]

Created Revert of Move CoreVideoFrameBuffer from webrtc/common_video/ to
webrtc/sdk/objc/

[commit-bot: I haz the power, 2017-05-03 20:25:34]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2017-05-03 20:25:39]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493843124058420, "parent_rev":
"642b0f8ffd269065c1f638d3c116b14e18a2eb82", "commit_rev":
"c34e730896032ae730b5917306bb4f79e62d03dd"}

[commit-bot: I haz the power, 2017-05-03 20:25:42]

Description was changed from

==========
Revert of Move CoreVideoFrameBuffer from webrtc/common_video/ to
webrtc/sdk/objc/ (patchset #2 id:60001 of
https://codereview.webrtc.org/2851563003/ )

Reason for revert:
Breaks downstream targets.

Original issue's description:
> Move CoreVideoFrameBuffer from webrtc/common_video/ to webrtc/sdk/objc/
> 
> CoreVideoFrameBuffer is Mac/iPhone specific and should be moved into
> the webrtc/sdk/objc/ folder.
> 
> BUG=None
> 
> Review-Url: https://codereview.webrtc.org/2851563003
> Cr-Commit-Position: refs/heads/master@{#17998}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/d41631aa274e926c4fba1600c...

TBR=kthelgason@webrtc.org,magjed@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=None
==========

to

==========
Revert of Move CoreVideoFrameBuffer from webrtc/common_video/ to
webrtc/sdk/objc/ (patchset #2 id:60001 of
https://codereview.webrtc.org/2851563003/ )

Reason for revert:
Breaks downstream targets.

Original issue's description:
> Move CoreVideoFrameBuffer from webrtc/common_video/ to webrtc/sdk/objc/
> 
> CoreVideoFrameBuffer is Mac/iPhone specific and should be moved into
> the webrtc/sdk/objc/ folder.
> 
> BUG=None
> 
> Review-Url: https://codereview.webrtc.org/2851563003
> Cr-Commit-Position: refs/heads/master@{#17998}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/d41631aa274e926c4fba1600c...

TBR=kthelgason@webrtc.org,magjed@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=None

Review-Url: https://codereview.webrtc.org/2862663003
Cr-Commit-Position: refs/heads/master@{#18004}
Committed:
https://chromium.googlesource.com/external/webrtc/+/c34e730896032ae730b591730...
==========

[commit-bot: I haz the power, 2017-05-03 20:25:43]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/c34e730896032ae730b591730...

[magjed_webrtc, 2017-05-04 07:52:10]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.webrtc.org/2860033002/ by magjed@webrtc.org.

The reason for reverting is: Keep header file for backwards compatibility.