ozone: Add OzoneWindowFactory & OzoneWindow

ui/ozone/ozone_platform.cc

Index: ui/ozone/ozone_platform.cc
diff --git a/ui/ozone/ozone_platform.cc b/ui/ozone/ozone_platform.cc
index 53016cd05edf31327856bab14b9a113f3d9a32a8..3176bdc2ae014c1d59297137c618b959e0424b39 100644
--- a/ui/ozone/ozone_platform.cc
+++ b/ui/ozone/ozone_platform.cc
@@ -9,6 +9,7 @@
 #include "ui/ozone/ozone_platform.h"
 #include "ui/ozone/ozone_platform_list.h"
 #include "ui/ozone/ozone_switches.h"
+#include "ui/ozone/window/window_factory_ozone.h"
 
 namespace ui {
 
@@ -43,6 +44,7 @@ OzonePlatform::~OzonePlatform() {
   gfx::SurfaceFactoryOzone::SetInstance(NULL);
   ui::EventFactoryOzone::SetInstance(NULL);
   ui::CursorFactoryOzone::SetInstance(NULL);
+  ui::WindowFactoryOzone::SetInstance(NULL);
 }
 
 // static
@@ -62,6 +64,7 @@ void OzonePlatform::Initialize() {
   ui::InputMethodContextFactoryOzone::SetInstance(
       instance_->GetInputMethodContextFactoryOzone());
   ui::CursorFactoryOzone::SetInstance(instance_->GetCursorFactoryOzone());
+  ui::WindowFactoryOzone::SetInstance(instance_->GetWindowFactoryOzone());
 }
 
 // static