Implement a policy to autologin a public account.

chrome/browser/chromeos/login/mock_user_manager.h

Index: chrome/browser/chromeos/login/mock_user_manager.h
diff --git a/chrome/browser/chromeos/login/mock_user_manager.h b/chrome/browser/chromeos/login/mock_user_manager.h
index cde30d5ac0fdea4c721f9d5bbfbbe4dc2b76498a..e0b19203018f1a91d18147d1ab040cefea3c6fd4 100644
--- a/chrome/browser/chromeos/login/mock_user_manager.h
+++ b/chrome/browser/chromeos/login/mock_user_manager.h
@@ -89,6 +89,9 @@ class MockUserManager : public UserManager {
   // Sets a new User instance.
   void SetLoggedInUser(const std::string& email);
 
+  // Creates a new public account user.

[bartfab (slow), 2013/02/25 16:51:23]

Nit: Since we are switching over to the term "public session", IMHO, we should
be using "public session" in all new code.

[dconnelly, 2013/02/26 18:04:15]

Done.

+  User* CreatePublicAccountUser(const std::string& email);
+
   User* user_;
   scoped_ptr<MockUserImageManager> user_image_manager_;
   scoped_ptr<UserFlow> user_flow_;