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

chrome/browser/supervised_user/experimental/supervised_user_async_url_checker_unittest.cc

 // Copyright 2014 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 "chrome/browser/supervised_user/experimental/supervised_user_async_url_checker.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
+#include <utility>
 
 #include "base/callback.h"
 #include "base/json/json_writer.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "net/base/net_errors.h"
 #include "net/url_request/test_url_fetcher_factory.h"
 #include "net/url_request/url_request_test_util.h"
@@ skipping 16 matching lines @@
   "http://www.randomsite4.com",
   "http://www.randomsite5.com",
   "http://www.randomsite6.com",
   "http://www.randomsite7.com",
   "http://www.randomsite8.com",
   "http://www.randomsite9.com",
 };
 
 std::string BuildResponse(bool is_porn) {
   base::DictionaryValue dict;
-  base::DictionaryValue* classification_dict = new base::DictionaryValue;
+  std::unique_ptr<base::DictionaryValue> classification_dict(
+      new base::DictionaryValue);
   if (is_porn)
     classification_dict->SetBoolean("pornography", is_porn);
   base::ListValue* classifications_list = new base::ListValue;
-  classifications_list->Append(classification_dict);
+  classifications_list->Append(std::move(classification_dict));
   dict.SetWithoutPathExpansion("classifications", classifications_list);
   std::string result;
   base::JSONWriter::Write(dict, &result);
   return result;
 }
 
 }  // namespace
 
 class SupervisedUserAsyncURLCheckerTest : public testing::Test {
  public:
@@ skipping 150 matching lines @@
   ASSERT_FALSE(CheckURL(url));
   EXPECT_CALL(*this, OnCheckDone(url, SupervisedUserURLFilter::ALLOW, false));
   SendValidResponse(false);
 
   // Since the cache timeout is zero, the cache entry should be invalidated
   // immediately.
   ASSERT_FALSE(CheckURL(url));
   EXPECT_CALL(*this, OnCheckDone(url, SupervisedUserURLFilter::BLOCK, false));
   SendValidResponse(true);
 }