Disable remaining tests that fail on the Linux desktop CrOS GN builds.

ui/gl/gl_image_ozone_native_pixmap_drm_unittest.cc

Index: ui/gl/gl_image_ozone_native_pixmap_drm_unittest.cc
diff --git a/ui/gl/gl_image_ozone_native_pixmap_drm_unittest.cc b/ui/gl/gl_image_ozone_native_pixmap_drm_unittest.cc
index 273768274e30e0daceed649e0681f9eb0c1f6bd6..bd5aa3279d3a7c37b218586ae4f6b2d92c10b624 100644
--- a/ui/gl/gl_image_ozone_native_pixmap_drm_unittest.cc
+++ b/ui/gl/gl_image_ozone_native_pixmap_drm_unittest.cc
@@ -129,13 +129,17 @@ class GLImageOzoneNativePixmapDrmTestDelegate {
  private:
 };
 
-INSTANTIATE_TYPED_TEST_CASE_P(GLImageOzoneNativePixmapDrm,
-                              GLImageTest,
-                              GLImageOzoneNativePixmapDrmTestDelegate);
 
-INSTANTIATE_TYPED_TEST_CASE_P(GLImageOzoneNativePixmapDrm,
-                              GLImageBindTest,
-                              GLImageOzoneNativePixmapDrmTestDelegate);
+// TODO(crbug.com/618516) - The tests in this file can only be run
+// on a real device, and not on linux desktop builds, so they are
+// disabled until they can correctly detect the environment and do
+//INSTANTIATE_TYPED_TEST_CASE_P(GLImageOzoneNativePixmapDrm,
+//                             GLImageTest,
+//                              GLImageOzoneNativePixmapDrmTestDelegate);
+//
+//INSTANTIATE_TYPED_TEST_CASE_P(GLImageOzoneNativePixmapDrm,
+//                              GLImageBindTest,
+//                              GLImageOzoneNativePixmapDrmTestDelegate);
 
 }  // namespace
 }  // namespace gl