Switch to standard integer types in tools/.

tools/gn/function_write_file_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 <stdint.h>
+
 #include "base/files/file.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "tools/gn/functions.h"
 #include "tools/gn/scheduler.h"
 #include "tools/gn/test_with_scope.h"
 
 namespace {
 
@@ skipping 37 matching lines @@
   EXPECT_TRUE(CallWriteFile(setup.scope(), "//out/foo.txt", some_string));
   base::FilePath foo_name = temp_dir.path().Append(FILE_PATH_LITERAL("out"))
       .Append(FILE_PATH_LITERAL("foo.txt"));
   std::string result_contents;
   EXPECT_TRUE(base::ReadFileToString(foo_name, &result_contents));
   EXPECT_EQ(some_string.string_value(), result_contents);
 
   // Update the contents with a list of a string and a number.
   Value some_list(nullptr, Value::LIST);
   some_list.list_value().push_back(Value(nullptr, "line 1"));
-  some_list.list_value().push_back(Value(nullptr, static_cast<int64>(2)));
+  some_list.list_value().push_back(Value(nullptr, static_cast<int64_t>(2)));
   EXPECT_TRUE(CallWriteFile(setup.scope(), "//out/foo.txt", some_list));
   EXPECT_TRUE(base::ReadFileToString(foo_name, &result_contents));
   EXPECT_EQ("line 1\n2\n", result_contents);
 
   // Test that the file is not rewritten if the contents are not changed.
   // Start by setting the modified time to something old to avoid clock
   // resolution issues.
   base::Time old_time = base::Time::Now() - base::TimeDelta::FromDays(1);
   base::File foo_file(foo_name,
                       base::File::FLAG_OPEN |
                       base::File::FLAG_READ | base::File::FLAG_WRITE);
   ASSERT_TRUE(foo_file.IsValid());
   foo_file.SetTimes(old_time, old_time);
 
   // Read the current time to avoid timer resolution issues when comparing
   // below.
   base::File::Info original_info;
   foo_file.GetInfo(&original_info);
 
   EXPECT_TRUE(CallWriteFile(setup.scope(), "//out/foo.txt", some_list));
 
   // Verify that the last modified time is the same as before.
   base::File::Info new_info;
   foo_file.GetInfo(&new_info);
   EXPECT_EQ(original_info.last_modified, new_info.last_modified);
 }