GN: Separately track labels and origins for lists of stuff

tools/gn/gyp_binary_target_writer.h

Index: tools/gn/gyp_binary_target_writer.h
diff --git a/tools/gn/gyp_binary_target_writer.h b/tools/gn/gyp_binary_target_writer.h
index b12f15439d0603c69f830a766a56263a7a692097..4fb96b0e6d622c2a5e56864016914857d7f37811 100644
--- a/tools/gn/gyp_binary_target_writer.h
+++ b/tools/gn/gyp_binary_target_writer.h
@@ -10,6 +10,7 @@
 
 #include "base/compiler_specific.h"
 #include "tools/gn/gyp_target_writer.h"
+#include "tools/gn/target.h"
 #include "tools/gn/toolchain.h"
 
 // Writes a portion of a .gyp file for a binary target type (an executable, a
@@ -73,7 +74,7 @@ class GypBinaryTargetWriter : public GypTargetWriter {
 
   // Fills the given flags structure.
   Flags FlagsFromTarget(const Target* target) const;
-  Flags FlagsFromConfigList(const std::vector<const Config*>& configs) const;
+  Flags FlagsFromConfigList(const LabelConfigVector& configs) const;
 
   // All associated targets.
   TargetGroup group_;