Switch to standard integer types in ios/.

ios/web/web_state/js/core_js_unittest.mm

 // Copyright 2012 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 <stddef.h>
 #import <UIKit/UIKit.h>
 
 #include <vector>
 
+#include "base/macros.h"
 #include "base/strings/stringprintf.h"
 #include "ios/web/public/test/web_test_util.h"
 #import "ios/web/test/web_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/gtest_mac.h"
 
 // Unit tests for ios/web/web_state/js/resources/core.js.
 
 namespace {
 
@@ skipping 259 matching lines @@
     this->LoadHtml(base::StringPrintf(image, javascript.c_str()));
     result = this->RunJavaScript(@"__gCrWeb['getElementFromPoint'](200, 200)");
     expected_result = R"({"src":"foo","referrerPolicy":"default"})";
 
     // Make sure the returned JSON does not have an 'href' key.
     EXPECT_EQ(expected_result, [result UTF8String]);
   }
 }
 
 }  // namespace