Uses windows native color chooser instead of aura's.

      BUG=295835, 295832
R=msw@chromium.org, pkasting@chromium.org, erg@chromium.org
TEST=none

Review URL: https://codereview.chromium.org/30293002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234781 0039d316-1c4b-4281-b951-d872f2087c98