exo: Use WMHelper to access ash accessibility related features.

components/exo/shell_surface_unittest.cc

 // 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.
 
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/accessibility_delegate.h"
 #include "ash/common/shell_window_ids.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm/wm_event.h"
 #include "ash/common/wm_shell.h"
@@ skipping 708 matching lines @@
                         ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
   gfx::Point pt2(250, 250);
   ui::MouseEvent ev_in(ui::ET_MOUSE_PRESSED, pt2, pt2, ui::EventTimeForNow(),
                        ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
 
   EXPECT_FALSE(targeter->SubtreeShouldBeExploredForEvent(shell_window, ev_out));
 
   // Enable spoken feedback.
   ash::WmShell::Get()->accessibility_delegate()->ToggleSpokenFeedback(
       ash::A11Y_NOTIFICATION_NONE);
-  shell_surface.OnAccessibilityModeChanged(ash::A11Y_NOTIFICATION_NONE);
+  shell_surface.OnAccessibilityModeChanged();
 
   EXPECT_EQ(display::Screen::GetScreen()->GetPrimaryDisplay().bounds(),
             shell_surface.shadow_underlay()->bounds());
   EXPECT_TRUE(shell_surface.shadow_underlay()->IsVisible());
   EXPECT_NE(shell_surface.GetWidget()->GetWindowBoundsInScreen(),
             shell_surface.shadow_underlay()->bounds());
 
   // Test event capture
   EXPECT_TRUE(targeter->SubtreeShouldBeExploredForEvent(shell_window, ev_out));
   EXPECT_EQ(shell_surface.shadow_underlay(),
@@ skipping 15 matching lines @@
   // spoken-feedback was already on, so underlay should fill screen
   EXPECT_EQ(display::Screen::GetScreen()->GetPrimaryDisplay().bounds(),
             shell_surface2.shadow_underlay()->bounds());
 
   // De-activated shell-surface should NOT have fullscreen underlay
   EXPECT_EQ(shadow_bounds, shell_surface.shadow_underlay()->bounds());
 
   // Disable spoken feedback. Shadow underlay is restored.
   ash::WmShell::Get()->accessibility_delegate()->ToggleSpokenFeedback(
       ash::A11Y_NOTIFICATION_NONE);
-  shell_surface.OnAccessibilityModeChanged(ash::A11Y_NOTIFICATION_NONE);
-  shell_surface2.OnAccessibilityModeChanged(ash::A11Y_NOTIFICATION_NONE);
+  shell_surface.OnAccessibilityModeChanged();
+  shell_surface2.OnAccessibilityModeChanged();
 
   EXPECT_TRUE(shell_surface.shadow_underlay()->IsVisible());
   EXPECT_EQ(shadow_bounds, shell_surface.shadow_underlay()->bounds());
   EXPECT_EQ(shadow_bounds, shell_surface2.shadow_underlay()->bounds());
 }
 
 }  // namespace
 }  // namespace exo