Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/ash/launcher/launcher_item_controller.cc

Index: chrome/browser/ui/ash/launcher/launcher_item_controller.cc
diff --git a/chrome/browser/ui/ash/launcher/launcher_item_controller.cc b/chrome/browser/ui/ash/launcher/launcher_item_controller.cc
index 8ab4eead0e00d912ef332e71390a3ff8c9ecebe6..c6c35dd429bb7420fb9a4790aa22a79b098520b7 100644
--- a/chrome/browser/ui/ash/launcher/launcher_item_controller.cc
+++ b/chrome/browser/ui/ash/launcher/launcher_item_controller.cc
@@ -44,7 +44,8 @@ base::string16 LauncherItemController::GetAppTitle() const {
       ArcAppListPrefs::Get(launcher_controller_->profile());
   DCHECK(arc_prefs);
   if (arc_prefs->IsRegistered(app_id_)) {
-    scoped_ptr<ArcAppListPrefs::AppInfo> app_info = arc_prefs->GetApp(app_id_);
+    std::unique_ptr<ArcAppListPrefs::AppInfo> app_info =
+        arc_prefs->GetApp(app_id_);
     DCHECK(app_info.get());
     if (app_info)
       title = base::UTF8ToUTF16(app_info->name);