Clean up SessionStateDelegate in chrome

components/session_manager/core/session_manager.h

Index: components/session_manager/core/session_manager.h
diff --git a/components/session_manager/core/session_manager.h b/components/session_manager/core/session_manager.h
index f2ddb202198f0b70b4688438638c2174d1a8d766..06814976f203a761bd5c634424798faedc3f6f4a 100644
--- a/components/session_manager/core/session_manager.h
+++ b/components/session_manager/core/session_manager.h
@@ -5,6 +5,8 @@
 #ifndef COMPONENTS_SESSION_MANAGER_CORE_SESSION_MANAGER_H_
 #define COMPONENTS_SESSION_MANAGER_CORE_SESSION_MANAGER_H_
 
+#include <stdint.h>
+
 #include <vector>
 
 #include "base/macros.h"
@@ -39,7 +41,7 @@ class SESSION_EXPORT SessionManager {
   // Returns true if we're logged in and browser has been started i.e.
   // browser_creator.LaunchBrowser(...) was called after sign in
   // or restart after crash.
-  virtual bool IsSessionStarted() const;
+  bool IsSessionStarted() const;
 
   // Called when browser session is started i.e. after
   // browser_creator.LaunchBrowser(...) was called after user sign in.
@@ -49,6 +51,13 @@ class SESSION_EXPORT SessionManager {
   // before the session has been started.
   virtual void SessionStarted();
 
+  // Convenience wrapps of session state.
+  bool IsInSecondaryLoginScreen() const;
+  bool IsScreenLocked() const;
+
+  // Returns the maximum number of allowed user sessions.
+  uint32_t GetMaximumNumberOfUserSessions() const;
+
   void AddObserver(SessionManagerObserver* observer);
   void RemoveObserver(SessionManagerObserver* observer);