Revert of Use microsecond timestamp in cricket::VideoFrame.

Revert of Use microsecond timestamp in cricket::VideoFrame. (patchset #13 id:240001 of https://codereview.webrtc.org/1865283002/ )

Reason for revert:
This CL breaks Chrome FYI bots compile: https://build.chromium.org/p/chromium.webrtc.fyi/builders/Linux%20Builder/builds/4942/steps/compile/logs/stdio

Original issue's description:
> Use microsecond timestamp in cricket::VideoFrame.
>
> BUG=webrtc:5740
>
> Committed: https://crrev.com/f30ba114bb33dd1d8643bc640dda2e0c86dbbd32
> Cr-Commit-Position: refs/heads/master@{#12348}

TBR=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:5740
Committed: https://crrev.com/09eabcb4fbf78aa8eb817c2b566b8984a199f965
Cr-Commit-Position: refs/heads/master@{#12350}

[niklas.enbom, 2016-04-13 17:45:37]

Created Revert of Use microsecond timestamp in cricket::VideoFrame.

[commit-bot: I haz the power, 2016-04-13 17:45:41]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1884863004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1884863004/1

[commit-bot: I haz the power, 2016-04-13 17:45:52]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-13 17:45:55]

Description was changed from

==========
Revert of Use microsecond timestamp in cricket::VideoFrame. (patchset #13
id:240001 of https://codereview.webrtc.org/1865283002/ )

Reason for revert:
This CL breaks Chrome FYI bots compile:
https://build.chromium.org/p/chromium.webrtc.fyi/builders/Linux%20Builder/bui...


Original issue's description:
> Use microsecond timestamp in cricket::VideoFrame.
> 
> BUG=webrtc:5740
> 
> Committed: https://crrev.com/f30ba114bb33dd1d8643bc640dda2e0c86dbbd32
> Cr-Commit-Position: refs/heads/master@{#12348}

TBR=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:5740
==========

to

==========
Revert of Use microsecond timestamp in cricket::VideoFrame. (patchset #13
id:240001 of https://codereview.webrtc.org/1865283002/ )

Reason for revert:
This CL breaks Chrome FYI bots compile:
https://build.chromium.org/p/chromium.webrtc.fyi/builders/Linux%20Builder/bui...

Original issue's description:
> Use microsecond timestamp in cricket::VideoFrame.
>
> BUG=webrtc:5740
>
> Committed: https://crrev.com/f30ba114bb33dd1d8643bc640dda2e0c86dbbd32
> Cr-Commit-Position: refs/heads/master@{#12348}

TBR=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:5740

Committed: https://crrev.com/09eabcb4fbf78aa8eb817c2b566b8984a199f965
Cr-Commit-Position: refs/heads/master@{#12350}
==========

[commit-bot: I haz the power, 2016-04-13 17:45:56]

Patchset 1 (id:??) landed as
https://crrev.com/09eabcb4fbf78aa8eb817c2b566b8984a199f965
Cr-Commit-Position: refs/heads/master@{#12350}