Remove callbacks for SurfaceFactoryOzone::LoadEGLGLES2Bindings().

ui/ozone/platform/drm/gpu/gbm_surface_factory.cc

Index: ui/ozone/platform/drm/gpu/gbm_surface_factory.cc
diff --git a/ui/ozone/platform/drm/gpu/gbm_surface_factory.cc b/ui/ozone/platform/drm/gpu/gbm_surface_factory.cc
index df62b30169fdf6f28fc680993af9eaae5b31e60d..6b6340a0c16394e63b5e6c0fff4e06129de6e1c9 100644
--- a/ui/ozone/platform/drm/gpu/gbm_surface_factory.cc
+++ b/ui/ozone/platform/drm/gpu/gbm_surface_factory.cc
@@ -103,11 +103,9 @@ intptr_t GbmSurfaceFactory::GetNativeDisplay() {
   return EGL_DEFAULT_DISPLAY;
 }
 
-bool GbmSurfaceFactory::LoadEGLGLES2Bindings(
-    AddGLLibraryCallback add_gl_library,
-    SetGLGetProcAddressProcCallback set_gl_get_proc_address) {
+bool GbmSurfaceFactory::LoadEGLGLES2Bindings() {
   DCHECK(thread_checker_.CalledOnValidThread());
-  return LoadDefaultEGLGLES2Bindings(add_gl_library, set_gl_get_proc_address);
+  return LoadDefaultEGLGLES2Bindings();
 }
 
 std::unique_ptr<SurfaceOzoneCanvas> GbmSurfaceFactory::CreateCanvasForWidget(