Implement tracking of BUILD.gn files used to define target, toolchain or

tools/gn/command_analyze.cc

 // 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.
 
 #include <algorithm>
 #include <iterator>
 #include <set>
 #include <vector>
 
 #include "base/files/file_path.h"
@@ skipping 92 matching lines @@
   bool ret = base::ReadFileToString(UTF8ToFilePath(args[1]), &input);
   if (!ret) {
     Err(Location(), "Input file " + args[1] + " not found.").PrintToStdout();
     return 1;
   }
 
   Setup* setup = new Setup;
   if (!setup->DoSetup(args[0], false) || !setup->Run())
     return 1;
 
-  Analyzer analyzer(setup->builder());
-
   Err err;
-  std::string output = Analyzer(setup->builder()).Analyze(input, &err);
+  Analyzer analyzer(setup->build_settings(), setup->builder());
+  std::string output = analyzer.Analyze(input, &err);
   if (err.has_error()) {
     err.PrintToStdout();
     return 1;
   }
 
   WriteFile(UTF8ToFilePath(args[2]), output, &err);
   if (err.has_error()) {
     err.PrintToStdout();
     return 1;
   }
 
   return 0;
 }
 
 }  // namespace commands