arc: Make Play Store item persistance in shelf.

chrome/browser/chromeos/arc/arc_auth_service.h

Index: chrome/browser/chromeos/arc/arc_auth_service.h
diff --git a/chrome/browser/chromeos/arc/arc_auth_service.h b/chrome/browser/chromeos/arc/arc_auth_service.h
index 3691ac3a88112f456c3fe6f310e885a825da23a1..354f12f18ac1ca6ab253578076e1e14af2fdbf85 100644
--- a/chrome/browser/chromeos/arc/arc_auth_service.h
+++ b/chrome/browser/chromeos/arc/arc_auth_service.h
@@ -98,6 +98,12 @@ class ArcAuthService : public ArcService,
 
   static void EnableCheckAndroidManagementForTesting();
 
+  // Returns true if Arc is allowed to run for the given profile.
+  static bool IsAllowedForProfile(const Profile* profile);
+
+  // Returns true if Arc is allowed to run for the current session.
+  bool IsAllowed() const;
+
   void OnPrimaryUserProfilePrepared(Profile* profile);
   void Shutdown();
 
@@ -134,6 +140,7 @@ class ArcAuthService : public ArcService,
   // Called from Arc support platform app when user cancels signing.
   void CancelAuthCode();
 
+  bool IsArcEnabled();
   void EnableArc();
   void DisableArc();