ash: Use SessionController instead of SessionStateDelegate

ash/test/ash_test_base.h

 // Copyright (c) 2012 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_TEST_ASH_TEST_BASE_H_
 #define ASH_TEST_ASH_TEST_BASE_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 39 matching lines @@
 namespace ash {
 class AshTestImplAura;
 class SystemTray;
 class WmShelf;
 
 namespace test {
 
 class AshTestEnvironment;
 class AshTestHelper;
 class TestScreenshotDelegate;
+class TestSessionControllerClient;
 class TestSystemTrayDelegate;
 
 class AshTestBase : public testing::Test {
  public:
   AshTestBase();
   ~AshTestBase() override;
 
   // testing::Test:
   void SetUp() override;
   void TearDown() override;
@@ skipping 69 matching lines @@
   static display::Display::Rotation GetCurrentInternalDisplayRotation();
 
   void set_start_session(bool start_session) { start_session_ = start_session; }
 
   AshTestHelper* ash_test_helper() { return ash_test_helper_.get(); }
 
   void RunAllPendingInMessageLoop();
 
   TestScreenshotDelegate* GetScreenshotDelegate();
 
+  TestSessionControllerClient* GetSessionControllerClient();
+
   TestSystemTrayDelegate* GetSystemTrayDelegate();
 
   // Utility methods to emulate user logged in or not, session started or not
   // and user able to lock screen or not cases.
   void SetSessionStarted(bool session_started);
-  // Sets the SessionState to active, marking the begining of transitioning to
-  // a user session. The session is considered blocked until SetSessionStarted
-  // is called.
-  void SetSessionStarting();

[xiyuan, 2017/03/17 07:08:16]

No one calls this.

   void SetUserLoggedIn(bool user_logged_in);
+  void SetCanLockScreen(bool can_lock);
   void SetShouldLockScreenAutomatically(bool should_lock);
   void SetUserAddingScreenRunning(bool user_adding_screen_running);
 
   // Methods to emulate blocking and unblocking user session with given
   // |block_reason|.
   void BlockUserSession(UserSessionBlockReason block_reason);
   void UnblockUserSession();
 
   void DisableIME();
 
@@ skipping 22 matching lines @@
   ~NoSessionAshTestBase() override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NoSessionAshTestBase);
 };
 
 }  // namespace test
 }  // namespace ash
 
 #endif  // ASH_TEST_ASH_TEST_BASE_H_