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

chrome/browser/ui/app_list/search/extension_app_result.cc

Index: chrome/browser/ui/app_list/search/extension_app_result.cc
diff --git a/chrome/browser/ui/app_list/search/extension_app_result.cc b/chrome/browser/ui/app_list/search/extension_app_result.cc
index 781b24217cbd73c09ec7e7ce8965a8f84f42cf53..964980d7a93012ca3b9e39026438e819d56333c5 100644
--- a/chrome/browser/ui/app_list/search/extension_app_result.cc
+++ b/chrome/browser/ui/app_list/search/extension_app_result.cc
@@ -85,8 +85,8 @@ void ExtensionAppResult::Open(int event_flags) {
       event_flags);
 }
 
-scoped_ptr<SearchResult> ExtensionAppResult::Duplicate() const {
-  scoped_ptr<SearchResult> copy(
+std::unique_ptr<SearchResult> ExtensionAppResult::Duplicate() const {
+  std::unique_ptr<SearchResult> copy(
       new ExtensionAppResult(profile(), app_id(), controller(),
                              display_type() == DISPLAY_RECOMMENDATION));
   copy->set_title(title());