Revert of Reland "Add base::TimeDelta::Max()" (https://codereview.chromium.org/183763011/)

Reason for revert:
http/tests/media/video-cookie.html is asserting on debug bots

Original issue's description:
> Reland "Add base::TimeDelta::Max()"
> 
> Media was exposing max timedeltas to JSON, which wasn't working with
> infinity.
> 
> R=scherkus@chromium.org
> TBR=ajwong@chromium.org,jar@chromium.org,jamesr@chomium.org,acolwell@chromium.org,nick@chromium.org
> BUG=None
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=254717

TBR=ajwong@chromium.org,jar@chromium.org,scherkus@chromium.org,jamesr@chomium.org,acolwell@chromium.org,nick@chromium.org,gavinp@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=None

Review URL: https://codereview.chromium.org/179813009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254743 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254743