Revert 231381 "Return matching plug-ins in the sorted order (by ..."

> Return matching plug-ins in the sorted order (by version number).
> 
> In case there are multiple plug-ins in one group (multiple versions
> of Flash plug-in for example), returning sorted list that has highest
> version first makes sure that Chrome won't try to load outdated
> version and end up blocking it in the end.
> 
> BUG=13892
> 
> Review URL: https://codereview.chromium.org/26541011

TBR=rchlodnicki@opera.com

Review URL: https://codereview.chromium.org/49783002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@231401 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 231401