chromeos: Move files in //ash/common to //ash, part 1

ash/system/web_notification/web_notification_tray_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/common/system/web_notification/web_notification_tray.h"
+#include "ash/system/web_notification/web_notification_tray.h"
 
 #include <utility>
 #include <vector>
 
 #include "ash/common/shelf/shelf_layout_manager.h"
 #include "ash/common/shelf/wm_shelf.h"
-#include "ash/common/system/status_area_widget.h"
-#include "ash/common/system/tray/system_tray.h"
-#include "ash/common/system/tray/system_tray_item.h"
-#include "ash/common/system/web_notification/ash_popup_alignment_delegate.h"
 #include "ash/common/test/test_system_tray_delegate.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/shell.h"
-#include "ash/system/chromeos/screen_layout_observer.h"
+#include "ash/system/screen_layout_observer.h"
+#include "ash/system/status_area_widget.h"
+#include "ash/system/tray/system_tray.h"
+#include "ash/system/tray/system_tray_item.h"
+#include "ash/system/web_notification/ash_popup_alignment_delegate.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/status_area_widget_test_helper.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/display/display.h"
 #include "ui/display/manager/display_manager.h"
 #include "ui/display/screen.h"
 #include "ui/events/test/event_generator.h"
 #include "ui/gfx/geometry/point.h"
@@ skipping 357 matching lines @@
   int bottom_second = GetPopupWorkAreaBottomForTray(GetSecondaryTray());
 
   // System tray is created on the primary display. The popups in the secondary
   // tray aren't affected.
   GetSystemTray()->ShowDefaultView(BUBBLE_CREATE_NEW);
   EXPECT_GT(bottom, GetPopupWorkAreaBottom());
   EXPECT_EQ(bottom_second, GetPopupWorkAreaBottomForTray(GetSecondaryTray()));
 }
 
 }  // namespace ash