Remove ToolbarModel from TabModel.

BUG=331129

Review URL: https://codereview.chromium.org/120583003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@242949 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 242949
[rac] Parse postal code formats and required fields in libaddressinput.

This patch makes the Rule object parse postal code format and required
fields. This data will be used in validation logic.

BUG=327046

Review URL: https://codereview.chromium.org/106763007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@242951 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 242951