Switch to standard integer types in mojo/.

mojo/edk/embedder/simple_platform_shared_buffer_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 "mojo/edk/embedder/simple_platform_shared_buffer.h"
 
+#include <stddef.h>
+
 #include <limits>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/sys_info.h"
 #include "mojo/public/cpp/system/macros.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
@@ skipping 169 matching lines @@
 
   EXPECT_EQ('x', static_cast<char*>(mapping2->GetBase())[0]);
 
   static_cast<char*>(mapping2->GetBase())[1] = 'y';
   EXPECT_EQ('y', static_cast<char*>(mapping1->GetBase())[51]);
 }
 
 }  // namespace
 }  // namespace edk
 }  // namespace mojo