Switch to standard integer types in mojo/.

mojo/fetcher/about_fetcher_unittest.cc

 // Copyright 2015 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 "mojo/fetcher/about_fetcher.h"
 
+#include <stddef.h>
+
 #include <utility>
 
 #include "base/at_exit.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "mojo/application/public/cpp/application_connection.h"
 #include "mojo/application/public/cpp/application_delegate.h"
@@ skipping 153 matching lines @@
   const URLResponse* response = html_content_handler()->latest_response();
   EXPECT_EQ("about:some_unrecognized_url", response->url);
   EXPECT_EQ(404u, response->status_code);
   EXPECT_EQ("text/html", response->mime_type);
   EXPECT_FALSE(response->body.is_valid());
 }
 
 }  // namespace
 }  // namespace fetcher
 }  // namespace mojo