Revert of Change base::Value::ListStorage to std::vector<base::Value>

chrome/browser/media_galleries/media_galleries_preferences_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.
 
 // MediaGalleriesPreferences unit tests.
 
 #include "chrome/browser/media_galleries/media_galleries_preferences.h"
 
 #include <stdint.h>
 
@@ skipping 173 matching lines @@
     PrefService* prefs = profile_->GetPrefs();
     std::unique_ptr<ListPrefUpdate> update(
         new ListPrefUpdate(prefs, prefs::kMediaGalleriesRememberedGalleries));
     base::ListValue* list = update->Get();
 
     for (base::ListValue::iterator iter = list->begin();
          iter != list->end();
          ++iter) {
       base::DictionaryValue* dict;
 
-      if (iter->GetAsDictionary(&dict)) {
+      if ((*iter)->GetAsDictionary(&dict)) {
         // Setting the prefs version to 2 which is the version before
         // default_gallery_type was added.
         dict->SetInteger(kMediaGalleriesPrefsVersionKey, 2);
         dict->Remove(kMediaGalleriesDefaultGalleryTypeKey, NULL);
       }
     }
     update.reset();
   }
 
   void Verify() {
@@ skipping 1322 matching lines @@
                MediaGalleryPrefInfo::DefaultGalleryType::kNotDefault) {
       found_user_added = true;
     }
   }
 
   EXPECT_TRUE(found_music);
   EXPECT_TRUE(found_pictures);
   EXPECT_TRUE(found_videos);
   EXPECT_TRUE(found_user_added);
 }