Refactor ShouldLockScreenBeforeSuspending to ShouldLockScreenAutomatically

ash/common/session/session_state_delegate.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ASH_COMMON_SESSION_SESSION_STATE_DELEGATE_H_
 #define ASH_COMMON_SESSION_SESSION_STATE_DELEGATE_H_
 
 #include "ash/ash_export.h"
 #include "ash/common/session/session_types.h"
 #include "components/session_manager/session_manager_types.h"
@@ skipping 47 matching lines @@
   // available. Only once this method starts returning |true| is the browser
   // startup complete and both profile and UI are fully available.
   virtual bool IsActiveUserSessionStarted() const = 0;
 
   // Returns true if the screen can be locked.
   virtual bool CanLockScreen() const = 0;
 
   // Returns true if the screen is currently locked.
   virtual bool IsScreenLocked() const = 0;
 
-  // Returns true if the screen should be locked when the system is about to
-  // suspend.
-  virtual bool ShouldLockScreenBeforeSuspending() const = 0;
+  // Returns true if the screen should be locked automatically.

[Daniel Erat, 2016/10/21 22:48:51]

how about adding something like "... when the screen is turned off or the system
is suspended." at the end?

[Qiang(Joe) Xu, 2016/10/24 17:53:55]

Done.

+  virtual bool ShouldLockScreenAutomatically() const = 0;
 
   // Locks the screen. The locking happens asynchronously.
   virtual void LockScreen() = 0;
 
   // Unlocks the screen.
   virtual void UnlockScreen() = 0;
 
   // Returns |true| if user session blocked by some overlying UI. It can be
   // login screen, lock screen or screen for adding users into multi-profile
   // session.
@@ skipping 27 matching lines @@
   // Adds or removes sessions state observer.
   virtual void AddSessionStateObserver(SessionStateObserver* observer) = 0;
   virtual void RemoveSessionStateObserver(SessionStateObserver* observer) = 0;
 
   bool IsInSecondaryLoginScreen() const;
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SESSION_SESSION_STATE_DELEGATE_H_