Not for review.

ui/ozone/platform/dri/ozone_platform_dri.cc

Index: ui/ozone/platform/dri/ozone_platform_dri.cc
diff --git a/ui/ozone/platform/dri/ozone_platform_dri.cc b/ui/ozone/platform/dri/ozone_platform_dri.cc
index 85ac5cee0167d143e0e0115234bfec4e0a7b9995..dd692b77a5d4ee4cbef89cf6971d5801b176132d 100644
--- a/ui/ozone/platform/dri/ozone_platform_dri.cc
+++ b/ui/ozone/platform/dri/ozone_platform_dri.cc
@@ -25,6 +25,10 @@ OzonePlatformDri::GetInputMethodContextFactoryOzone() {
   return &input_method_context_factory_ozone_;
 }
 
+gfx::OverlayHALOzone* OzonePlatformDri::GetOverlayHALOzone() {
+  return NULL;
+}
+
 OzonePlatform* CreateOzonePlatformDri() { return new OzonePlatformDri; }
 
 }  // namespace ui