Remove use of deprecated base::ListValue::Append(Value*) overload in //chrome/browser/ui/ash

chrome/browser/ui/ash/chrome_launcher_prefs.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_ASH_CHROME_LAUNCHER_PREFS_H_
 #define CHROME_BROWSER_UI_ASH_CHROME_LAUNCHER_PREFS_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 36 matching lines @@
 extern const char kShelfAutoHideBehaviorNever[];
 
 // Values used for prefs::kShelfAlignment.
 extern const char kShelfAlignmentBottom[];
 extern const char kShelfAlignmentLeft[];
 extern const char kShelfAlignmentRight[];
 
 void RegisterChromeLauncherUserPrefs(
     user_prefs::PrefRegistrySyncable* registry);
 
-base::DictionaryValue* CreateAppDict(const std::string& app_id);
+std::unique_ptr<base::DictionaryValue> CreateAppDict(const std::string& app_id);
 
 // Get or set the shelf auto hide behavior preference for a particular display.
 ShelfAutoHideBehavior GetShelfAutoHideBehaviorPref(PrefService* prefs,
                                                    int64_t display_id);
 void SetShelfAutoHideBehaviorPref(PrefService* prefs,
                                   int64_t display_id,
                                   ShelfAutoHideBehavior behavior);
 
 // Get or set the shelf alignment preference for a particular display.
 ShelfAlignment GetShelfAlignmentPref(PrefService* prefs, int64_t display_id);
@@ skipping 40 matching lines @@
   // Profile prefs. Not owned.
   syncable_prefs::PrefServiceSyncable* prefs_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeLauncherPrefsObserver);
 };
 
 }  // namespace launcher
 }  // namespace ash
 
 #endif  // CHROME_BROWSER_UI_ASH_CHROME_LAUNCHER_PREFS_H_