Switch to standard integer types in mojo/.

mojo/public/cpp/bindings/map.h

 // 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.
 
 #ifndef MOJO_PUBLIC_CPP_BINDINGS_MAP_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_MAP_H_
 
+#include <stddef.h>
+
 #include <map>
 
 #include "mojo/public/cpp/bindings/lib/map_internal.h"
 #include "mojo/public/cpp/bindings/lib/value_traits.h"
 
 namespace mojo {
 
 // A move-only map that can handle move-only values. Map has the following
 // characteristics:
 //   - The map itself can be null, and this is distinct from empty.
@@ skipping 269 matching lines @@
             TypeConverter<STLValue, MojoValue>::Convert(it.GetValue())));
       }
     }
     return result;
   }
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_MAP_H_