base::ListValue::Append cleanup: pass unique_ptr instead of the released pointer.

chrome/browser/extensions/api/tabs/tabs_event_router.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 "chrome/browser/extensions/api/tabs/tabs_event_router.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 331 matching lines @@
 
   std::unique_ptr<base::ListValue> args(new base::ListValue);
   std::unique_ptr<base::DictionaryValue> select_info(new base::DictionaryValue);
 
   select_info->Set(
       tabs_constants::kWindowIdKey,
       new FundamentalValue(
           ExtensionTabUtil::GetWindowIdOfTabStripModel(tab_strip_model)));
 
   select_info->Set(tabs_constants::kTabIdsKey, all_tabs.release());
-  args->Append(select_info.release());
+  args->Append(std::move(select_info));
 
   // The onHighlighted event replaced onHighlightChanged.
   Profile* profile = tab_strip_model->profile();
   DispatchEvent(profile, events::TABS_ON_HIGHLIGHT_CHANGED,
                 tabs::OnHighlightChanged::kEventName,
                 std::unique_ptr<base::ListValue>(args->DeepCopy()),
                 EventRouter::USER_GESTURE_UNKNOWN);
   DispatchEvent(profile, events::TABS_ON_HIGHLIGHTED,
                 tabs::OnHighlighted::kEventName, std::move(args),
                 EventRouter::USER_GESTURE_UNKNOWN);
@@ skipping 178 matching lines @@
     bool icon_url_changed,
     const gfx::Image& image) {
   if (notification_icon_type == NON_TOUCH_16_DIP && icon_url_changed) {
     favicon::ContentFaviconDriver* content_favicon_driver =
         static_cast<favicon::ContentFaviconDriver*>(favicon_driver);
     FaviconUrlUpdated(content_favicon_driver->web_contents());
   }
 }
 
 }  // namespace extensions