Switch to standard integer types in gpu/.

gpu/config/gpu_test_expectations_parser_unittest.cc

Index: gpu/config/gpu_test_expectations_parser_unittest.cc
diff --git a/gpu/config/gpu_test_expectations_parser_unittest.cc b/gpu/config/gpu_test_expectations_parser_unittest.cc
index b69703e7b7952eb79ca4f0830b8d799b2d1fa4b2..56e320abe6b12533d78a30fb8e73dde94d2279a8 100644
--- a/gpu/config/gpu_test_expectations_parser_unittest.cc
+++ b/gpu/config/gpu_test_expectations_parser_unittest.cc
@@ -2,6 +2,8 @@
 // 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/format_macros.h"
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
@@ -78,7 +80,7 @@ class GPUTestExpectationsParserTest : public testing::Test {
 
   void TearDown() override {}
 
-  void set_os(int32 os) {
+  void set_os(int32_t os) {
     bot_config_.set_os(os);
     ASSERT_TRUE(bot_config_.IsValid());
   }