Revert 232657 "GN: toolchain threading cleanup"

trunk/src/tools/gn/target.cc

Index: trunk/src/tools/gn/target.cc
===================================================================
--- trunk/src/tools/gn/target.cc	(revision 232660)
+++ trunk/src/tools/gn/target.cc	(working copy)
@@ -57,7 +57,8 @@
 }  // namespace
 
 Target::Target(const Settings* settings, const Label& label)
-    : Item(settings, label),
+    : Item(label),
+      settings_(settings),
       output_type_(UNKNOWN),
       hard_dep_(false),
       external_(false),
@@ -154,9 +155,9 @@
   }
 
   // Mark as resolved.
-  if (!settings()->build_settings()->target_resolved_callback().is_null()) {
+  if (!settings_->build_settings()->target_resolved_callback().is_null()) {
     g_scheduler->ScheduleWork(base::Bind(&TargetResolvedThunk,
-        settings()->build_settings()->target_resolved_callback(),
+        settings_->build_settings()->target_resolved_callback(),
         this));
   }
 }