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

components/spellcheck/browser/spellcheck_action.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 COMPONENTS_SPELLCHECK_BROWSER_SPELLCHECK_ACTION_H_
 #define COMPONENTS_SPELLCHECK_BROWSER_SPELLCHECK_ACTION_H_
 
+#include <memory>
+
 #include "base/strings/string16.h"
 
 namespace base {
 class DictionaryValue;
 }
 
 // User's action on a misspelled word.
 class SpellcheckAction {
  public:
   // Type of spellcheck action.
@@ skipping 33 matching lines @@
 
   // Returns true if the action is final and should be sent to the feedback
   // server. Otherwise returns false.
   bool IsFinal() const;
 
   // Makes this action final and ready to be sent to the feedback server. The
   // method is idempotent. Finalizing an action that is already final does
   // nothing.
   void Finalize();
 
-  // Serializes the data in this object into a dictionary value. The caller owns
-  // the result.
-  base::DictionaryValue* Serialize() const;
+  // Serializes the data in this object into a dictionary value.
+  std::unique_ptr<base::DictionaryValue> Serialize() const;
 
   void set_type(SpellcheckActionType type) { type_ = type; }
   void set_index(int index) { index_ = index; }
   void set_value(const base::string16& value) { value_ = value; }
 
   SpellcheckActionType type() const { return type_; }
 
  private:
   // User action.
   SpellcheckActionType type_;
 
   // The index for the user action, if applicable.
   int index_;
 
   // The value for the user action, if applicable.
   base::string16 value_;
 };
 
 #endif  // COMPONENTS_SPELLCHECK_BROWSER_SPELLCHECK_ACTION_H_