Changed reference resolving to happen post-render.
Also updated api schemas to reflect the change from $ref:api.node to $(ref:api.node)

NOTRY=true

Review URL: https://codereview.chromium.org/132953002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248805 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248805