Switch //components away from base::ListValue::Append(Value*) overload.

components/spellcheck/browser/spellcheck_action.cc

 // 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.
 
 #include "components/spellcheck/browser/spellcheck_action.h"
 
 #include "base/logging.h"
 #include "base/values.h"
 
 SpellcheckAction::SpellcheckAction() : type_(TYPE_PENDING), index_(-1) {}
@@ skipping 21 matching lines @@
       break;
     case TYPE_PENDING_IGNORE:
       type_ = TYPE_IGNORE;
       break;
     default:
       DCHECK(IsFinal());
       break;
   }
 }
 
-base::DictionaryValue* SpellcheckAction::Serialize() const {
-  base::DictionaryValue* result = new base::DictionaryValue;
+std::unique_ptr<base::DictionaryValue> SpellcheckAction::Serialize() const {
+  std::unique_ptr<base::DictionaryValue> result(new base::DictionaryValue);
   switch (type_) {
     case TYPE_SELECT:
       result->SetString("actionType", "SELECT");
       result->SetInteger("actionTargetIndex", index_);
       break;
     case TYPE_ADD_TO_DICT:
       result->SetString("actionType", "ADD_TO_DICT");
       break;
     case TYPE_IGNORE:
       result->SetString("actionType", "IGNORE");
@@ skipping 11 matching lines @@
     case TYPE_PENDING:
     case TYPE_PENDING_IGNORE:
       result->SetString("actionType", "PENDING");
       break;
     default:
       NOTREACHED();
       break;
   }
   return result;
 }