Revert of Chromium plumbing for Screen Orientation API orientationchange events.

Revert of Chromium plumbing for Screen Orientation API orientationchange events. (https://codereview.chromium.org/164913004/)

Reason for revert:
SEE: https://code.google.com/p/chromium/issues/detail?id=346595

Original issue's description:
> Chromium plumbing for Screen Orientation API orientationchange events.
> 
> This is using RenderViewObserver::OrientationChangeEvent and dispatch
> the information down to the renderer. More will come with locking
> and unlocking abilities.
> 
> BUG=162827
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=253029

TBR=jochen@chromium.org,cdn@chromium.org,mlamouri@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=162827
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=253077

[acleung1, 2014-02-25 04:01:46]

Created Revert of Chromium plumbing for Screen Orientation API orientationchange
events.

[commit-bot: I haz the power, 2014-02-25 04:07:33]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-02-25 04:07:33]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer or
a lowly provisional committer, _not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[Dan Beam, 2014-02-25 04:28:40]

lgtm

[Dan Beam, 2014-02-25 04:28:50]

The CQ bit was checked by dbeam@chromium.org

[commit-bot: I haz the power, 2014-02-25 04:34:28]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/acleung@chromium.org/177293003/1

[commit-bot: I haz the power, 2014-02-25 04:39:51]

Change committed as 253077