Revert auto-hide-invisible mode for ARC++

ash/common/wm/immersive_context_ash.cc

 // Copyright 2016 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/common/wm/immersive_context_ash.h"
 
 #include "ash/common/shelf/wm_shelf.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm_lookup.h"
 #include "ash/common/wm_shell.h"
@@ skipping 14 matching lines @@
   WmWindow* window = WmLookup::Get()->GetWindowForWidget(controller->widget());
   window->InstallResizeHandleWindowTargeter(controller);
 }
 
 void ImmersiveContextAsh::OnEnteringOrExitingImmersive(
     ImmersiveFullscreenController* controller,
     bool entering) {
   WmWindow* window = WmLookup::Get()->GetWindowForWidget(controller->widget());
   wm::WindowState* window_state = window->GetWindowState();
   // Auto hide the shelf in immersive fullscreen instead of hiding it.
-  window_state->set_shelf_mode_in_fullscreen(
-      entering ? ash::wm::WindowState::SHELF_AUTO_HIDE_VISIBLE
-               : ash::wm::WindowState::SHELF_HIDDEN);
-
+  window_state->set_hide_shelf_when_fullscreen(!entering);
   // Update the window's immersive mode state for the window manager.
   window_state->set_in_immersive_fullscreen(entering);
 
   for (WmWindow* root_window : WmShell::Get()->GetAllRootWindows())
     WmShelf::ForWindow(root_window)->UpdateVisibilityState();
 }
 
 gfx::Rect ImmersiveContextAsh::GetDisplayBoundsInScreen(views::Widget* widget) {
   WmWindow* window = WmLookup::Get()->GetWindowForWidget(widget);
   return window->GetDisplayNearestWindow().bounds();
@@ skipping 11 matching lines @@
 
 bool ImmersiveContextAsh::DoesAnyWindowHaveCapture() {
   return WmShell::Get()->GetCaptureWindow() != nullptr;
 }
 
 bool ImmersiveContextAsh::IsMouseEventsEnabled() {
   return WmShell::Get()->IsMouseEventsEnabled();
 }
 
 }  // namespace ash