Convert Ozone GL OSMesa implementation.

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 4376eea0296ba993fd5c6740f2716e498e73d91e..94d2dda934466eabaf7ac4b57761ef705faa983c 100644
--- a/ui/ozone/public/surface_factory_ozone.cc
+++ b/ui/ozone/public/surface_factory_ozone.cc
@@ -18,7 +18,7 @@ SurfaceFactoryOzone::~SurfaceFactoryOzone() {}
 
 std::vector<gl::GLImplementation>
 SurfaceFactoryOzone::GetAllowedGLImplementations() {
-  return std::vector<gl::GLImplementation>{gl::kGLImplementationOSMesaGL};
+  return std::vector<gl::GLImplementation>();
 }
 
 GLOzone* SurfaceFactoryOzone::GetGLOzone(gl::GLImplementation implementation) {