[GN]: Support for loadable modules

tools/gn/functions_target.cc

Index: tools/gn/functions_target.cc
diff --git a/tools/gn/functions_target.cc b/tools/gn/functions_target.cc
index ffe8f5f2941ebfc4bb8d978b244d65a9d71118f5..88cb9f80e30b2e55725e964b7d08fa26b6d59da1 100644
--- a/tools/gn/functions_target.cc
+++ b/tools/gn/functions_target.cc
@@ -19,7 +19,8 @@
     "  Deps: data_deps, deps, forward_dependent_configs_from, public_deps\n"
 #define GENERAL_TARGET_VARS \
     "  General: check_includes, configs, data, inputs, output_name,\n" \
-    "           output_extension, public, sources, testonly, visibility\n"
+    "           output_extension, public, sources, testonly, visibility,\n" \
+    "           loadable_module, darwin_bundle\n"
 
 namespace functions {
 
@@ -503,8 +504,7 @@ Value RunTarget(Scope* scope,
                 BlockNode* block,
                 Err* err) {
   if (args.size() != 2) {
-    *err = Err(function, "Expected two arguments.",
-               "Dude, try \"gn help target\".");
+    *err = Err(function, "Expected two arguments. Try \"gn help target\".");
     return Value();
   }