ash: Change auto to not deduce raw pointers.

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/accelerators/accelerator_controller.h"
 #include "ash/accelerators/accelerator_table.h"
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/ash_switches.h"
@@ skipping 1136 matching lines @@
   UpdateDisplay("0+0-200x200,+200+0-100x100");
   EXPECT_EQ(2U, shell->display_manager()->GetNumDisplays());
 
   WindowTreeHostManager* window_tree_host_manager =
       shell->window_tree_host_manager();
   aura::Window::Windows root_windows =
       window_tree_host_manager->GetAllRootWindows();
   EXPECT_EQ(root_windows.size(), 2U);
 
   std::vector<ShelfWidget*> shelf_widgets;
-  for (auto& root_window : root_windows) {
+  for (auto* root_window : root_windows) {
     ShelfLayoutManager* shelf =
         GetRootWindowController(root_window)->GetShelfLayoutManager();
     shelf_widgets.push_back(shelf->shelf_widget());
 
     // For disabling the dimming animation to work, the animation must be
     // disabled prior to creating the dimmer.
     shelf_widgets.back()->DisableDimmingAnimationsForTest();
 
     // Create a maximized window to create the dimmer.
     views::Widget* widget = new views::Widget;
@@ skipping 1097 matching lines @@
                                              ->shelf_widget()
                                              ->status_area_widget();
   EXPECT_TRUE(status_area_widget->IsVisible());
   // Shelf should be in the first display's area.
   gfx::Rect status_area_bounds(status_area_widget->GetWindowBoundsInScreen());
   EXPECT_TRUE(gfx::Rect(0, 0, 500, 400).Contains(status_area_bounds));
   EXPECT_EQ(gfx::Point(500, 400), status_area_bounds.bottom_right());
 }
 
 }  // namespace ash