[rAC, OSX] Use new layout for the details section.

Adjusted layout to reflect latest mocks.

NOTRY=true
BUG=286518

Review URL: https://codereview.chromium.org/24640004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225843 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 225843