tools/gn: Remove includes of basictypes.h.

tools/gn/path_output.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_PATH_OUTPUT_H_
 #define TOOLS_GN_PATH_OUTPUT_H_
 
 #include <iosfwd>
 #include <string>
 
-#include "base/basictypes.h"
+#include "base/macros.h"
 #include "base/strings/string_piece.h"
 #include "tools/gn/escape.h"
 #include "tools/gn/source_dir.h"
 #include "tools/gn/unique_vector.h"
 
 class OutputFile;
 class SourceFile;
 
 namespace base {
 class FilePath;
@@ skipping 60 matching lines @@
 
   // Uses system slashes if convert_slashes_to_system_.
   std::string inverse_current_dir_;
 
   // Since the inverse_current_dir_ depends on some of these, we don't expose
   // this directly to modification.
   EscapeOptions options_;
 };
 
 #endif  // TOOLS_GN_PATH_OUTPUT_H_