Port gles2_conform_test_windowless action to GN build.

build/config/linux/gtk/BUILD.gn

Index: build/config/linux/gtk/BUILD.gn
diff --git a/build/config/linux/gtk/BUILD.gn b/build/config/linux/gtk/BUILD.gn
index 7130e1555c0cc5eb8e6615dccfc2ccbd9c32da57..5c466a46f6956c962bf5f8fd0a58b02c74b36457 100644
--- a/build/config/linux/gtk/BUILD.gn
+++ b/build/config/linux/gtk/BUILD.gn
@@ -28,6 +28,10 @@ group("gtk") {
     "//chrome/browser/ui/libgtk2ui",
     "//remoting/host",
   ]
+  if (internal_gles2_conform_tests) {

[Dirk Pranke, 2015/03/30 20:38:21]

this won't work because that variable isn't in scope in this file.

Just make this unconditional, i.e., add the target to the list after line 28.

[tfarina, 2015/03/31 01:00:07]

Done.

[tfarina, 2015/03/31 01:00:07]

Done.

+    visibility +=
+        [ "//gpu/gles2_conform_support:gles2_conform_test_windowless" ]
+  }
   public_configs = [ ":gtk_internal_config" ]
 }