Store and filter the active profiles list on exit.

Ephemeral profiles might become ephemeral after they are created or their browser
windows are created and end up in the list which on next start causes Chrome to
create new empty profiles which is not wished.

BUG=302461
TEST=unit_tests

Review URL: https://codereview.chromium.org/26889003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230146 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 230146
android: Re-enable pixel test on GPU bot now that we can take screenshots

BUG=285932
TBR=navabi@chromium.org

Review URL: https://codereview.chromium.org/34953002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230147 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 230147