Rewrite simple uses of base::ListValue::Append() taking a raw pointer var.

extensions/browser/api/web_request/upload_data_presenter.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.
 
 #include "extensions/browser/api/web_request/upload_data_presenter.h"
 
 #include <utility>
 
 #include "base/files/file_path.h"
 #include "base/strings/string_util.h"
@@ skipping 28 matching lines @@
 
 }  // namespace
 
 namespace extensions {
 
 namespace subtle {
 
 void AppendKeyValuePair(const char* key,
                         base::Value* value,
                         base::ListValue* list) {
-  base::DictionaryValue* dictionary = new base::DictionaryValue;
+  std::unique_ptr<base::DictionaryValue> dictionary(new base::DictionaryValue);
   dictionary->SetWithoutPathExpansion(key, value);
-  list->Append(dictionary);
+  list->Append(std::move(dictionary));
 }
 
 }  // namespace subtle
 
 UploadDataPresenter::~UploadDataPresenter() {}
 
 RawDataPresenter::RawDataPresenter()
   : success_(true),
     list_(new base::ListValue) {
 }
@@ skipping 94 matching lines @@
     dictionary_(success_ ? new base::DictionaryValue() : NULL) {
 }
 
 void ParsedDataPresenter::Abort() {
   success_ = false;
   dictionary_.reset();
   parser_.reset();
 }
 
 }  // namespace extensions