Eliminate ash::internal namespace

ash/wm/immersive_fullscreen_controller_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 "ash/wm/immersive_fullscreen_controller.h"
 
 #include "ash/display/display_manager.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_types.h"
@@ skipping 1000 matching lines @@
   EXPECT_FALSE(controller()->IsRevealed());
   bubble_widget8->Close();
 }
 
 #endif  // defined(OS_WIN)
 
 // Test that the shelf is set to auto hide as long as the window is in
 // immersive fullscreen and that the shelf's state before entering immersive
 // fullscreen is restored upon exiting immersive fullscreen.
 TEST_F(ImmersiveFullscreenControllerTest, Shelf) {
-  ash::internal::ShelfLayoutManager* shelf =
+  ash::ShelfLayoutManager* shelf =
       ash::Shell::GetPrimaryRootWindowController()->GetShelfLayoutManager();
 
   // Shelf is visible by default.
   window()->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_NORMAL);
   ASSERT_FALSE(controller()->IsEnabled());
   ASSERT_EQ(ash::SHELF_VISIBLE, shelf->visibility_state());
 
   // Entering immersive fullscreen sets the shelf to auto hide.
   window()->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_FULLSCREEN);
   SetEnabled(true);
@@ skipping 17 matching lines @@
   // Disabling immersive fullscreen maintains the user's auto-hide selection.
   SetEnabled(false);
   window()->SetProperty(aura::client::kShowStateKey,
                         ui::SHOW_STATE_NORMAL);
   EXPECT_EQ(ash::SHELF_AUTO_HIDE, shelf->visibility_state());
 }
 
 }  // namespase ash
 
 #endif  // defined(OS_CHROMEOS)