GN: Separately track labels and origins for lists of stuff

tools/gn/gyp_binary_target_writer.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef TOOLS_GN_GYP_BINARY_TARGET_WRITER_H_
 #define TOOLS_GN_GYP_BINARY_TARGET_WRITER_H_
 
 #include <string>
 #include <vector>
 
 #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
 // shared library, or a static library).
 class GypBinaryTargetWriter : public GypTargetWriter {
  public:
   GypBinaryTargetWriter(const TargetGroup& group, std::ostream& out);
   virtual ~GypBinaryTargetWriter();
 
   virtual void Run() OVERRIDE;
@@ skipping 43 matching lines @@
   void WriteIncludeDirs(const Flags& flags, int indent);
   void WriteDirectDependentSettings(int indent);
   void WriteAllDependentSettings(int indent);
 
   // Writes out the given flags and such from all configs in the given list.
   void WriteSettingsFromConfigList(const std::vector<const Config*>& configs,
                                    int indent);
 
   // 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_;
 
   DISALLOW_COPY_AND_ASSIGN(GypBinaryTargetWriter);
 };
 
 #endif  // TOOLS_GN_GYP_BINARY_TARGET_WRITER_H_