Add Vaapi support on Ozone/Freon

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 6464538ead96e61a4f2864969304b0c912bf175e..c32ec6196f3ca67aa06d6b1f0071c3ddbcabf16d 100644
--- a/ui/ozone/platform/dri/ozone_platform_gbm.cc
+++ b/ui/ozone/platform/dri/ozone_platform_gbm.cc
@@ -128,7 +128,8 @@ class OzonePlatformGbm : public OzonePlatform {
     display_manager_.reset(new DisplayManager());
     // Needed since the browser process creates the accelerated widgets and that
     // happens through SFO.
-    surface_factory_ozone_.reset(new GbmSurfaceFactory(use_surfaceless_));
+    if (!surface_factory_ozone_)
+      surface_factory_ozone_.reset(new GbmSurfaceFactory(use_surfaceless_));
     device_manager_ = CreateDeviceManager();
     gpu_platform_support_host_.reset(new DriGpuPlatformSupportHost());
     cursor_factory_ozone_.reset(new BitmapCursorFactoryOzone);