Switch to standard integer types in tools/.

tools/gn/function_get_path_info_unittest.cc

 // Copyright 2014 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 "build/build_config.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "tools/gn/functions.h"
 #include "tools/gn/test_with_scope.h"
 
 namespace {
 
 class GetPathInfoTest : public testing::Test {
  public:
   GetPathInfoTest() : testing::Test() {
     setup_.scope()->set_source_dir(SourceDir("//src/foo/"));
@@ skipping 95 matching lines @@
   EXPECT_EQ("//out/Debug/gen/src/foo", Call(".", "gen_dir"));
   EXPECT_EQ("//out/Debug/gen/src/foo", Call("bar", "gen_dir"));
   EXPECT_EQ("//out/Debug/gen/foo", Call("//foo/bar.txt", "gen_dir"));
   // System paths go into the ABS_PATH gen directory
   EXPECT_EQ("//out/Debug/gen/ABS_PATH/foo", Call("/foo/bar.txt", "gen_dir"));
 #if defined(OS_WIN)
   EXPECT_EQ("//out/Debug/gen/ABS_PATH/C/foo",
             Call("/C:/foo/bar.txt", "gen_dir"));
 #endif
 }