Remove callbacks for SurfaceFactoryOzone::LoadEGLGLES2Bindings().

ui/ozone/public/surface_factory_ozone.cc

Index: ui/ozone/public/surface_factory_ozone.cc
diff --git a/ui/ozone/public/surface_factory_ozone.cc b/ui/ozone/public/surface_factory_ozone.cc
index 55e3be925c7f90f2be314e810cd41d104f9feaa4..8031177854e24175b63274c14f2c4b5a398fe3a1 100644
--- a/ui/ozone/public/surface_factory_ozone.cc
+++ b/ui/ozone/public/surface_factory_ozone.cc
@@ -44,6 +44,10 @@ std::unique_ptr<SurfaceOzoneCanvas> SurfaceFactoryOzone::CreateCanvasForWidget(
   return nullptr;
 }
 
+bool SurfaceFactoryOzone::LoadEGLGLES2Bindings() {
+  return false;
+}
+
 std::vector<gfx::BufferFormat> SurfaceFactoryOzone::GetScanoutFormats(
     gfx::AcceleratedWidget widget) {
   return std::vector<gfx::BufferFormat>();