[Easy Unlock] Update handling of the trial easy unlock/signin run

chrome/browser/signin/easy_unlock_service.h

Index: chrome/browser/signin/easy_unlock_service.h
diff --git a/chrome/browser/signin/easy_unlock_service.h b/chrome/browser/signin/easy_unlock_service.h
index c9064a6854555c6e052da65a52b251881e587cd0..b378bfc984c6f12c6e721866aa201d93aae48b50 100644
--- a/chrome/browser/signin/easy_unlock_service.h
+++ b/chrome/browser/signin/easy_unlock_service.h
@@ -64,7 +64,7 @@ class EasyUnlockService : public KeyedService {
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
   // Removes the hardlock state for the given user.
-  static void RemoveHardlockStateForUser(const std::string& user_id);
+  static void ResetLocalStateForUser(const std::string& user_id);
 
   // Returns the EasyUnlockService type.
   virtual Type GetType() const = 0;
@@ -141,6 +141,10 @@ class EasyUnlockService : public KeyedService {
   // hardlock state if the two do not match.
   void CheckCryptohomeKeysAndMaybeHardlock();
 
+  // Marks the Easy Unlock screen lock state as the one associated with the
+  // trial run initiated by Easy Unlock app.
+  void SetTrialRun();
+
   void AddObserver(EasyUnlockServiceObserver* observer);
   void RemoveObserver(EasyUnlockServiceObserver* observer);