Converts most of WorkspaceLayoutManager tests to use common code

ash/test/ash_test_base.cc

 // 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.
 
 #include "ash/test/ash_test_base.h"
 
 #include <string>
 #include <vector>
 
 #include "ash/common/wm/window_positioner.h"
@@ skipping 309 matching lines @@
 void AshTestBase::SetSessionStarting() {
   AshTestHelper::GetTestSessionStateDelegate()->set_session_state(
       SessionStateDelegate::SESSION_STATE_ACTIVE);
 }
 
 void AshTestBase::SetUserLoggedIn(bool user_logged_in) {
   AshTestHelper::GetTestSessionStateDelegate()->SetHasActiveUser(
       user_logged_in);
 }
 
-void AshTestBase::SetCanLockScreen(bool can_lock_screen) {
-  AshTestHelper::GetTestSessionStateDelegate()->SetCanLockScreen(
-      can_lock_screen);
-}
-
 void AshTestBase::SetShouldLockScreenBeforeSuspending(bool should_lock) {
   AshTestHelper::GetTestSessionStateDelegate()
       ->SetShouldLockScreenBeforeSuspending(should_lock);
 }
 
 void AshTestBase::SetUserAddingScreenRunning(bool user_adding_screen_running) {
   AshTestHelper::GetTestSessionStateDelegate()->SetUserAddingScreenRunning(
       user_adding_screen_running);
 }
 
@@ skipping 57 matching lines @@
 
 void AshTestBase::SwapPrimaryDisplay() {
   if (display::Screen::GetScreen()->GetNumDisplays() <= 1)
     return;
   Shell::GetInstance()->window_tree_host_manager()->SetPrimaryDisplayId(
       display_manager()->GetSecondaryDisplay().id());
 }
 
 }  // namespace test
 }  // namespace ash