Move AccessibilityDelegate ownership to ash::WmShell

ash/wm/overview/window_selector_unittest.cc

 // Copyright 2013 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 <algorithm>
 #include <vector>
 
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/accessibility_delegate.h"
 #include "ash/common/accessibility_types.h"
@@ skipping 384 matching lines @@
   expected_bounds = gfx::Rect(112, -32, 75, 32);
   expected_bounds_MD = gfx::Rect(10, -40, 280, 40);
   EXPECT_EQ((material ? expected_bounds_MD : expected_bounds).ToString(),
             text_filter->GetClientAreaBoundsInScreen().ToString());
 }
 #endif
 
 // Tests that an a11y alert is sent on entering overview mode.
 TEST_P(WindowSelectorTest, A11yAlertOnOverviewMode) {
   gfx::Rect bounds(0, 0, 400, 400);
-  AccessibilityDelegate* delegate = WmShell::Get()->GetAccessibilityDelegate();
+  AccessibilityDelegate* delegate = WmShell::Get()->accessibility_delegate();
   std::unique_ptr<aura::Window> window1(CreateWindow(bounds));
   EXPECT_NE(delegate->GetLastAccessibilityAlert(),
             A11Y_ALERT_WINDOW_OVERVIEW_MODE_ENTERED);
   ToggleOverview();
   EXPECT_EQ(delegate->GetLastAccessibilityAlert(),
             A11Y_ALERT_WINDOW_OVERVIEW_MODE_ENTERED);
 }
 
 // Tests that there are no crashes when there is not enough screen space
 // available to show all of the windows.
@@ skipping 1429 matching lines @@
       bounds.y());
   EXPECT_LE(transformed_rect.bottom(), bounds.bottom());
   EXPECT_NEAR(transformed_rect.x() - bounds.x(),
               bounds.right() - transformed_rect.right(), 1);
   EXPECT_NEAR(
       transformed_rect.y() + (int)(scale * inset) - header_height - bounds.y(),
       bounds.bottom() - transformed_rect.bottom(), 1);
 }
 
 }  // namespace ash