Remove ListValue::Append(new {Fundamental,String}Value(...)) pattern in //chrome

chrome/browser/download/download_query_unittest.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 "chrome/browser/download/download_query.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <limits>
@@ skipping 117 matching lines @@
 template<> void DownloadQueryTest::AddFilter(
     DownloadQuery::FilterType name, const base::char16* cpp_value) {
   CHECK(query_.AddFilter(name, base::StringValue(cpp_value)));
 }
 
 template<> void DownloadQueryTest::AddFilter(
     DownloadQuery::FilterType name, std::vector<base::string16> cpp_value) {
   std::unique_ptr<base::ListValue> list(new base::ListValue());
   for (std::vector<base::string16>::const_iterator it = cpp_value.begin();
        it != cpp_value.end(); ++it) {
-    list->Append(new base::StringValue(*it));
+    list->AppendString(*it);
   }
   CHECK(query_.AddFilter(name, *list.get()));
 }
 
 template<> void DownloadQueryTest::AddFilter(
     DownloadQuery::FilterType name, std::vector<std::string> cpp_value) {
   std::unique_ptr<base::ListValue> list(new base::ListValue());
   for (std::vector<std::string>::const_iterator it = cpp_value.begin();
        it != cpp_value.end(); ++it) {
-    list->Append(new base::StringValue(*it));
+    list->AppendString(*it);
   }
   CHECK(query_.AddFilter(name, *list.get()));
 }
 
 #if defined(OS_WIN)
 template<> void DownloadQueryTest::AddFilter(
     DownloadQuery::FilterType name, std::wstring cpp_value) {
   CHECK(query_.AddFilter(name, base::StringValue(cpp_value)));
 }
 #endif
@@ skipping 451 matching lines @@
   base::Time start = base::Time::Now();
   Search();
   base::Time end = base::Time::Now();
   double nanos = (end - start).InMillisecondsF() * 1000.0 * 1000.0;
   double nanos_per_item = nanos / static_cast<double>(kNumItems);
   double nanos_per_item_per_filter = nanos_per_item
     / static_cast<double>(kNumFilters);
   std::cout << "Search took " << nanos_per_item_per_filter
             << " nanoseconds per item per filter.\n";
 }