Switch to standard integer types in components/, part 4 of 4.

components/test_runner/test_interfaces.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 "components/test_runner/test_interfaces.h"
 
+#include <stddef.h>
+
 #include <string>
 
 #include "base/json/json_writer.h"
 #include "base/json/string_escape.h"
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "components/test_runner/accessibility_controller.h"
 #include "components/test_runner/app_banner_client.h"
 #include "components/test_runner/event_sender.h"
@@ skipping 164 matching lines @@
   if (!theme_engine_.get())
     theme_engine_.reset(new MockWebThemeEngine());
   return theme_engine_.get();
 }
 
 AppBannerClient* TestInterfaces::GetAppBannerClient() {
   return app_banner_client_;
 }
 
 }  // namespace test_runner