Introduce profile for lock screen apps

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 a71b4b6a0058b219be5fc1decc083f15de5421cc..2c302ba00b879db713f38b2496371ac24734aa35 100644
--- a/chrome/browser/chromeos/profiles/profile_helper.h
+++ b/chrome/browser/chromeos/profiles/profile_helper.h
@@ -106,6 +106,19 @@ class ProfileHelper
   // signin Profile.
   static bool IsSigninProfile(const Profile* profile);
 
+  // Returns the path used for the lock screen apps profile - profile used
+  // for launching platform apps that can display windows on top of the lock
+  // screen.
+  static base::FilePath GetLockScreenAppProfilePath();
+
+  // Returns the name used for the lock screen app profile.
+  static std::string GetLockScreenAppProfileName();
+
+  // Returns whether |profile| is the lock screen app profile - the profile used
+  // for launching platform apps that can display a window on top of the lock
+  // screen.
+  static bool IsLockScreenAppProfile(const Profile* profile);
+
   // Returns true when |profile| corresponds to owner's profile.
   static bool IsOwnerProfile(const Profile* profile);