Use MD-ash's auto hide behavior for arc++ windows.

ash/shelf/shelf_layout_manager_unittest.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/shelf/shelf_layout_manager.h"
 
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/accelerators/accelerator_controller.h"
 #include "ash/common/accelerators/accelerator_table.h"
 #include "ash/common/ash_switches.h"
@@ skipping 506 matching lines @@
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->GetAutoHideState());
   EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS, shelf->auto_hide_behavior());
   EXPECT_EQ(GetShelfWidget()->GetDimmerBoundsForTest(), gfx::Rect());
   EXPECT_EQ(bounds_noshelf.ToString(), window->bounds().ToString());
   EXPECT_EQ(shelf_hidden.ToString(),
             GetShelfWidget()->GetWindowBoundsInScreen().ToString());
 
   // Put |widget| into fullscreen. Set the shelf to be auto hidden when |widget|
   // is fullscreen. (eg browser immersive fullscreen).
   widget->SetFullscreen(true);
-  wm::GetWindowState(window)->set_hide_shelf_when_fullscreen(false);
+  wm::GetWindowState(window)->set_shelf_mode_in_fullscreen(
+      ash::wm::WindowState::SHELF_AUTO_HIDE_VISIBLE);
   layout_manager->UpdateVisibilityState();
 
   gfx::Rect bounds_fullscreen = window->bounds();
   EXPECT_TRUE(widget->IsFullscreen());
 
   // Shelf hints are removed in immersive full screen mode in MD; and some shelf
   // hints are shown in non-MD mode.
   if (ash::MaterialDesignController::IsShelfMaterial())
     EXPECT_EQ(bounds_noshelf.ToString(), bounds_fullscreen.ToString());
   else
@@ skipping 17 matching lines @@
       below_start, end, kTimeDelta, kNumScrollSteps,
       base::Bind(&ShelfDragCallback::ProcessScroll,
                  base::Unretained(&handler)));
   EXPECT_EQ(SHELF_AUTO_HIDE, shelf->GetVisibilityState());
   EXPECT_EQ(SHELF_AUTO_HIDE_HIDDEN, shelf->GetAutoHideState());
   EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS, shelf->auto_hide_behavior());
   EXPECT_EQ(shelf_hidden.ToString(),
             GetShelfWidget()->GetWindowBoundsInScreen().ToString());
   EXPECT_EQ(bounds_fullscreen.ToString(), window->bounds().ToString());
 
+  // Set the shelf to be auto hide and invisible when |widget| is fullscreen.
+  // (arc immersive fullscreen with no system UI option).
+  wm::GetWindowState(window)->set_shelf_mode_in_fullscreen(
+      ash::wm::WindowState::SHELF_AUTO_HIDE_INVISIBLE);
+  layout_manager->UpdateVisibilityState();
+  EXPECT_EQ(SHELF_AUTO_HIDE, shelf->GetVisibilityState());
+  EXPECT_TRUE(widget->IsFullscreen());
+  EXPECT_EQ(display::Screen::GetScreen()->GetPrimaryDisplay().bounds(),
+            display::Screen::GetScreen()->GetPrimaryDisplay().work_area());
+
+  // Switcvh from invisible to visible autodhide.

[tdanderson, 2016/08/15 19:51:37]

nit: 'Switch', "autohide'

+  wm::GetWindowState(window)->set_shelf_mode_in_fullscreen(
+      ash::wm::WindowState::SHELF_AUTO_HIDE_VISIBLE);
+  layout_manager->UpdateVisibilityState();
+  EXPECT_EQ(SHELF_AUTO_HIDE, shelf->GetVisibilityState());
+  EXPECT_TRUE(widget->IsFullscreen());
+  EXPECT_NE(display::Screen::GetScreen()->GetPrimaryDisplay().bounds(),
+            display::Screen::GetScreen()->GetPrimaryDisplay().work_area());
+
+  // Switcvh from invisible to visible autodhide.

[tdanderson, 2016/08/15 19:51:37]

nit: 'Switch'

+  wm::GetWindowState(window)->set_shelf_mode_in_fullscreen(
+      ash::wm::WindowState::SHELF_AUTO_HIDE_INVISIBLE);
+  layout_manager->UpdateVisibilityState();
+  EXPECT_EQ(SHELF_AUTO_HIDE, shelf->GetVisibilityState());
+  EXPECT_TRUE(widget->IsFullscreen());
+  EXPECT_EQ(display::Screen::GetScreen()->GetPrimaryDisplay().bounds(),
+            display::Screen::GetScreen()->GetPrimaryDisplay().work_area());
+
   // Set the shelf to be hidden when |widget| is fullscreen. (eg tab fullscreen
   // with or without immersive browser fullscreen).
-  wm::GetWindowState(window)->set_hide_shelf_when_fullscreen(true);
+  wm::GetWindowState(window)->set_shelf_mode_in_fullscreen(
+      ash::wm::WindowState::SHELF_HIDDEN);
+
   layout_manager->UpdateVisibilityState();
   EXPECT_EQ(SHELF_HIDDEN, shelf->GetVisibilityState());
   EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS, shelf->auto_hide_behavior());
 
   // Swipe-up. This should not change anything.
   end = start - delta;
   generator.GestureScrollSequenceWithCallback(
       below_start, end, kTimeDelta, kNumScrollSteps,
       base::Bind(&ShelfDragCallback::ProcessScroll,
                  base::Unretained(&handler)));
@@ skipping 1460 matching lines @@
 
   // Open keyboard in sticky mode.
   kb_controller->ShowKeyboard(true);
   layout_manager->OnKeyboardBoundsChanging(keyboard_bounds());
 
   // Work area should be changed.
   EXPECT_NE(orig_work_area,
             display::Screen::GetScreen()->GetPrimaryDisplay().work_area());
 }
 
-}  // namespace ash
+}  // namespace ash