Disallow Easy Unlock in secondary user profiles.

chrome/browser/chromeos/profiles/profile_helper.h

Index: chrome/browser/chromeos/profiles/profile_helper.h
diff --git a/chrome/browser/chromeos/profiles/profile_helper.h b/chrome/browser/chromeos/profiles/profile_helper.h
index fa541bbe4f143ff87869af07977e05c458156001..f3afc62d6d0f6e1e965410a7f2d571b9df4c96ea 100644
--- a/chrome/browser/chromeos/profiles/profile_helper.h
+++ b/chrome/browser/chromeos/profiles/profile_helper.h
@@ -85,6 +85,10 @@ class ProfileHelper : public BrowsingDataRemover::Observer,
   // Returns true when |profile| corresponds to owner's profile.
   static bool IsOwnerProfile(Profile* profile);
 
+  // Returns true when |profile| corresponds to the primary user profile
+  // of the current session.
+  static bool IsPrimaryProfile(Profile* profile);
+
   // Initialize a bunch of services that are tied to a browser profile.
   // TODO(dzhioev): Investigate whether or not this method is needed.
   void ProfileStartup(Profile* profile, bool process_startup);