Moves RootWindowControllerCommon and LayoutManager to common

ash/system/web_notification/ash_popup_alignment_delegate_unittest.cc

 // Copyright 2014 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/system/web_notification/ash_popup_alignment_delegate.h"
 
 #include <utility>
 #include <vector>
 
+#include "ash/common/shell_window_ids.h"
 #include "ash/display/display_manager.h"
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/screen_util.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_types.h"
 #include "ash/shell.h"
-#include "ash/shell_window_ids.h"
 #include "ash/test/ash_test_base.h"
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
 #include "ui/display/screen.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/keyboard/keyboard_switches.h"
 #include "ui/keyboard/keyboard_util.h"
 #include "ui/message_center/message_center_style.h"
 
 namespace ash {
@@ skipping 291 matching lines @@
   SetKeyboardBounds(keyboard_bounds);
   int keyboard_baseline = alignment_delegate()->GetBaseLine();
   EXPECT_NE(baseline, keyboard_baseline);
   EXPECT_GT(keyboard_bounds.y(), keyboard_baseline);
 
   SetKeyboardBounds(gfx::Rect());
   EXPECT_EQ(baseline, alignment_delegate()->GetBaseLine());
 }
 
 }  // namespace ash