Reland 240037 ash: Remove GetDefaultProfile from EventRewriter

- Use GetActiveUserProfile to use current user's pref for event filtering;
- Make UserManager::GetProfileByUser only return a fully loaded user
  profile;

BUG=322682

Review URL: https://codereview.chromium.org/103913008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240890 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240890
update armv6 floating point defaults

Update the armv6 floating point defaults as suggested in
http://crbug.com/234135

BUG=234135

Review URL: https://codereview.chromium.org/104403004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240891 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240891