Convert Pass()→std::move() on Windows

chrome/browser/ui/views/frame/browser_window_property_manager_win.cc

Index: chrome/browser/ui/views/frame/browser_window_property_manager_win.cc
diff --git a/chrome/browser/ui/views/frame/browser_window_property_manager_win.cc b/chrome/browser/ui/views/frame/browser_window_property_manager_win.cc
index 42f7804538c89d90841d61a14ac0c253d6303904..99c5e0a53d502ecffa29d4d167cf7bec873b74d8 100644
--- a/chrome/browser/ui/views/frame/browser_window_property_manager_win.cc
+++ b/chrome/browser/ui/views/frame/browser_window_property_manager_win.cc
@@ -104,12 +104,12 @@ scoped_ptr<BrowserWindowPropertyManager>
         BrowserView* view, HWND hwnd) {
   if (base::win::GetVersion() < base::win::VERSION_WIN7 ||
       view->browser()->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH)
-    return scoped_ptr<BrowserWindowPropertyManager>();
+    return nullptr;
 
   scoped_ptr<BrowserWindowPropertyManager> browser_window_property_manager(
       new BrowserWindowPropertyManager(view, hwnd));
   browser_window_property_manager->UpdateWindowProperties();
-  return browser_window_property_manager.Pass();
+  return browser_window_property_manager;
 }
 
 void BrowserWindowPropertyManager::OnProfileIconVersionChange() {