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

ash/system/tray/hover_highlight_view.h

 // 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.
 
-#ifndef ASH_COMMON_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_
-#define ASH_COMMON_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_
+#ifndef ASH_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_
+#define ASH_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_
 
-#include "ash/common/system/tray/actionable_view.h"
-#include "ash/common/system/tray/tray_popup_item_style.h"
+#include "ash/system/tray/actionable_view.h"
+#include "ash/system/tray/tray_popup_item_style.h"
 #include "base/macros.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/text_constants.h"
 
 namespace views {
 class ImageView;
 class Label;
 class BoxLayout;
 }
 
@@ skipping 165 matching lines @@
   bool expandable_ = false;
   int custom_height_ = 0;  // Not used in material design.
   AccessibilityState accessibility_state_ = AccessibilityState::DEFAULT;
   base::string16 tooltip_;
 
   DISALLOW_COPY_AND_ASSIGN(HoverHighlightView);
 };
 
 }  // namespace ash
 
-#endif  // ASH_COMMON_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_
+#endif  // ASH_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_