Move display preference code from ash/display/ to ui/display/manager/.

ui/display/manager/display_pref_util.h

 // Copyright (c) 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_DISPLAY_DISPLAY_PREF_UTIL_H
-#define ASH_DISPLAY_DISPLAY_PREF_UTIL_H
+#ifndef UI_DISPLAY_MANAGER_DISPLAY_PREF_UTIL_H
+#define UI_DISPLAY_MANAGER_DISPLAY_PREF_UTIL_H
 
 #include <map>
 #include <string>
 
 #include "base/strings/string_piece.h"
 
-namespace ash {
+namespace display {
 
 // Utility templates to create enum to string map and
 // a function to find an enum value from a string.
 template <typename T>
 std::map<T, std::string>* CreateToStringMap(T k1,
                                             const std::string& v1,
                                             T k2,
                                             const std::string& v2,
                                             T k3,
                                             const std::string& v3,
@@ skipping 28 matching lines @@
   typename std::map<T, std::string>::const_iterator iter = map->begin();
   for (; iter != map->end(); ++iter) {
     if (iter->second == value) {
       *key = iter->first;
       return true;
     }
   }
   return false;
 }
 
-}  // namespace ash
+}  // namespace display
 
-#endif  // ASH_DISPLAY_DISPLAY_PREF_UTIL_H
+#endif  // UI_DISPLAY_MANAGER_DISPLAY_PREF_UTIL_H