Add yet more GN isolates ...

ui/gfx/BUILD.gn

Index: ui/gfx/BUILD.gn
diff --git a/ui/gfx/BUILD.gn b/ui/gfx/BUILD.gn
index 721611e9ea941ac55902afc759bc7f5fa185c090..f0914a20269dbe51fd9c30380b55692ff7be09dc 100644
--- a/ui/gfx/BUILD.gn
+++ b/ui/gfx/BUILD.gn
@@ -456,6 +456,15 @@ source_set("test_support") {
   }
 }
 
+# TODO(GYP): Delete this after we've converted everything to GN.
+# The _run targets exist only for compatibility w/ GYP.
+group("gfx_unittests_run") {
+  testonly = true
+  deps = [
+    ":gfx_unittests",
+  ]
+}
+
 test("gfx_unittests") {
   sources = [
     "font_render_params_linux_unittest.cc",
@@ -471,6 +480,11 @@ test("gfx_unittests") {
     "text_utils_unittest.cc",
   ]
 
+  data = [
+    "test/data/",
+    "$root_out_dir/ui_test.pak",
+  ]
+
   if (!is_ios) {
     sources += [
       "animation/animation_container_unittest.cc",
@@ -543,6 +557,8 @@ test("gfx_unittests") {
     "//ui/resources:ui_test_pak",
   ]
 
+  data_deps = [ "//ui/resources:ui_test_pak" ]
+
   if (!is_mac && !is_ios) {
     sources += [
       "interpolated_transform_unittest.cc",