Makes the launcher auto-hide for maximized windows. This turned out to

ash/shell_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/ash_switches.h"
 #include "ash/launcher/launcher.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/root_window_layout_manager.h"
@@ skipping 318 matching lines @@
 
   // Create a normal window.  It is not maximized.
   views::Widget::InitParams widget_params(
       views::Widget::InitParams::TYPE_WINDOW);
   widget_params.bounds.SetRect(11, 22, 300, 400);
   views::Widget* widget = CreateTestWindow(widget_params);
   widget->Show();
   EXPECT_FALSE(widget->IsMaximized());
 
   // Shelf defaults to visible.
-  EXPECT_TRUE(Shell::GetInstance()->shelf()->visible());
+  EXPECT_EQ(internal::ShelfLayoutManager::VISIBLE,
+            Shell::GetInstance()->shelf()->visibility_state());
 
   // Fullscreen window hides it.
   widget->SetFullscreen(true);
-  EXPECT_FALSE(Shell::GetInstance()->shelf()->visible());
+  EXPECT_EQ(internal::ShelfLayoutManager::HIDDEN,
+            Shell::GetInstance()->shelf()->visibility_state());
 
   // Restoring the window restores it.
   widget->Restore();
-  EXPECT_TRUE(Shell::GetInstance()->shelf()->visible());
+  EXPECT_EQ(internal::ShelfLayoutManager::VISIBLE,
+            Shell::GetInstance()->shelf()->visibility_state());
 
   // Clean up.
   widget->Close();
 }
 
 }  // namespace ash