Revert of Enable OrientationEvent only for android. (https://codereview.chromium.org/131913003/)

Reason for revert:
Causes crashes on Android on loading a web page, more details in https://code.google.com/p/chromium/issues/detail?id=335258 

Original issue's description:
> Enable OrientationEvent only for android.
> 
> BUG=181136, 331337
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=245210

TBR=darin@chromium.org,mahesh.kk@samsung.com
NOTREECHECKS=true
NOTRY=true
BUG=181136, 331337

Review URL: https://codereview.chromium.org/130053005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245310 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 245310