Use scoped_ptr::Pass instead of scoped_ptr::PassAs<T>.

ui/ozone/platform/dri/ozone_platform_gbm.cc

Index: ui/ozone/platform/dri/ozone_platform_gbm.cc
diff --git a/ui/ozone/platform/dri/ozone_platform_gbm.cc b/ui/ozone/platform/dri/ozone_platform_gbm.cc
index 737689cc8bdac997ce2648bcac289b602b354606..344422ba9e55fa0103fa569d8127ea1180857481 100644
--- a/ui/ozone/platform/dri/ozone_platform_gbm.cc
+++ b/ui/ozone/platform/dri/ozone_platform_gbm.cc
@@ -104,7 +104,7 @@ class OzonePlatformGbm : public OzonePlatform {
                       event_factory_ozone_.get(),
                       window_manager_.get()));
     platform_window->Initialize();
-    return platform_window.PassAs<PlatformWindow>();
+    return platform_window.Pass();
   }
   virtual scoped_ptr<NativeDisplayDelegate> CreateNativeDisplayDelegate()
       override {