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

chrome/browser/extensions/convert_web_app.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/extensions/convert_web_app.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <cmath>
 #include <limits>
+#include <memory>
 #include <string>
+#include <utility>
 #include <vector>
 
 #include "base/base64.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/logging.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/strings/stringprintf.h"
@@ skipping 95 matching lines @@
   root->Set(keys::kIcons, icons);
   base::ListValue* linked_icons = new base::ListValue();
   root->Set(keys::kLinkedAppIcons, linked_icons);
   for (const auto& icon : web_app.icons) {
     std::string size = base::StringPrintf("%i", icon.width);
     std::string icon_path = base::StringPrintf("%s/%s.png", kIconsDirName,
                                                size.c_str());
     icons->SetString(size, icon_path);
 
     if (icon.url.is_valid()) {
-      base::DictionaryValue* linked_icon = new base::DictionaryValue();
+      std::unique_ptr<base::DictionaryValue> linked_icon(
+          new base::DictionaryValue());
       linked_icon->SetString(keys::kLinkedAppIconURL, icon.url.spec());
       linked_icon->SetInteger(keys::kLinkedAppIconSize, icon.width);
-      linked_icons->Append(linked_icon);
+      linked_icons->Append(std::move(linked_icon));
     }
   }
 
   // Write the manifest.
   base::FilePath manifest_path = temp_dir.path().Append(kManifestFilename);
   JSONFileValueSerializer serializer(manifest_path);
   if (!serializer.Serialize(*root)) {
     LOG(ERROR) << "Could not serialize manifest.";
     return NULL;
   }
@@ skipping 38 matching lines @@
   if (!extension.get()) {
     LOG(ERROR) << error;
     return NULL;
   }
 
   temp_dir.Take();  // The caller takes ownership of the directory.
   return extension;
 }
 
 }  // namespace extensions