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

components/url_matcher/url_matcher_factory_unittest.cc

 // Copyright 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/url_matcher/url_matcher_factory.h"
 
 #include <stddef.h>
 
+#include <memory>
+#include <utility>
+
 #include "base/format_macros.h"
 #include "base/macros.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "components/url_matcher/url_matcher_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
 namespace url_matcher {
 
@@ skipping 23 matching lines @@
 
   // Valid values:
   // {
   //   "port_range": [80, [1000, 1010]],
   //   "schemes": ["http"],
   //   "hostSuffix": "example.com"
   //   "hostPrefix": "www"
   // }
 
   // Port range: Allow 80;1000-1010.
-  base::ListValue* port_range = new base::ListValue();
+  std::unique_ptr<base::ListValue> port_range(new base::ListValue());
   port_range->AppendInteger(1000);
   port_range->AppendInteger(1010);
   base::ListValue* port_ranges = new base::ListValue();
   port_ranges->AppendInteger(80);
-  port_ranges->Append(port_range);
+  port_ranges->Append(std::move(port_range));
 
   base::ListValue* scheme_list = new base::ListValue();
   scheme_list->AppendString("http");
 
   base::DictionaryValue valid_condition;
   valid_condition.SetString(keys::kHostSuffixKey, "example.com");
   valid_condition.SetString(keys::kHostPrefixKey, "www");
   valid_condition.Set(keys::kPortsKey, port_ranges);
   valid_condition.Set(keys::kSchemesKey, scheme_list);
 
@@ skipping 264 matching lines @@
                          kIsUrlCaseSensitive, kIsUrlLowerCaseEnforced, url),
   };
 
   for (size_t i = 0; i < arraysize(case_tests); ++i) {
     SCOPED_TRACE(base::StringPrintf("Iteration: %" PRIuS, i));
     case_tests[i].Test();
   }
 }
 
 }  // namespace url_matcher