Replace Pass() with std::move in ui/ozone

ui/ozone/platform/drm/gpu/screen_manager.cc

Index: ui/ozone/platform/drm/gpu/screen_manager.cc
diff --git a/ui/ozone/platform/drm/gpu/screen_manager.cc b/ui/ozone/platform/drm/gpu/screen_manager.cc
index 52959847af076e46e0e00e51e1caa6542b419935..6a221bd20e3cb0cde2480ba6aef95772dc914272 100644
--- a/ui/ozone/platform/drm/gpu/screen_manager.cc
+++ b/ui/ozone/platform/drm/gpu/screen_manager.cc
@@ -216,7 +216,7 @@ HardwareDisplayController* ScreenManager::GetDisplayController(
 void ScreenManager::AddWindow(gfx::AcceleratedWidget widget,
                               scoped_ptr<DrmWindow> window) {
   std::pair<WidgetToWindowMap::iterator, bool> result =
-      window_map_.add(widget, window.Pass());
+      window_map_.add(widget, std::move(window));
   DCHECK(result.second) << "Window already added.";
   UpdateControllerToWindowMapping();
 }
@@ -226,7 +226,7 @@ scoped_ptr<DrmWindow> ScreenManager::RemoveWindow(
   scoped_ptr<DrmWindow> window = window_map_.take_and_erase(widget);
   DCHECK(window) << "Attempting to remove non-existing window for " << widget;
   UpdateControllerToWindowMapping();
-  return window.Pass();
+  return window;
 }
 
 DrmWindow* ScreenManager::GetWindow(gfx::AcceleratedWidget widget) {