Switch to standard integer types in tools/.

tools/gn/ninja_action_target_writer_unittest.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 <sstream>
 
+#include "build/build_config.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "tools/gn/ninja_action_target_writer.h"
 #include "tools/gn/substitution_list.h"
 #include "tools/gn/target.h"
 #include "tools/gn/test_with_scope.h"
 
 TEST(NinjaActionTargetWriter, WriteOutputFilesForBuildLine) {
   TestWithScope setup;
   Err err;
 
@@ skipping 337 matching lines @@
       // Necessary for the rspfile defined in the rule.
       "  unique_name = 0\n"
       // Substitution for the args.
       "  source_file_part = input1.txt\n"
       // Substitution for the rspfile contents.
       "  source_name_part = input1\n"
       "\n"
       "build obj/foo/bar.stamp: stamp input1.out\n";
   EXPECT_EQ(expected_linux, out.str());
 }