GN: Makes GN output deterministic

tools/gn/commands.cc

Index: tools/gn/commands.cc
diff --git a/tools/gn/commands.cc b/tools/gn/commands.cc
index ed7a009d6af2c6f7a866d7d82e753b701d07760e..7513edaf59ac1c97ac290d248a942299cdb0d32c 100644
--- a/tools/gn/commands.cc
+++ b/tools/gn/commands.cc
@@ -10,6 +10,7 @@
 #include "tools/gn/item.h"
 #include "tools/gn/label.h"
 #include "tools/gn/label_pattern.h"
+#include "tools/gn/pointer_set.h"
 #include "tools/gn/setup.h"
 #include "tools/gn/standard_out.h"
 #include "tools/gn/target.h"
@@ -494,7 +495,7 @@ void FilterAndPrintTargets(bool indent, std::vector<const Target*>* targets) {
 }
 
 void FilterAndPrintTargetSet(bool indent,
-                             const std::set<const Target*>& targets) {
+                             const PointerSet<const Target>& targets) {
   std::vector<const Target*> target_vector(targets.begin(), targets.end());
   FilterAndPrintTargets(indent, &target_vector);
 }