qualify base::data in make_span

this fixes an ambiguous reference error when compiling with MSSTL

Change-Id: I19a56e9268cac76afc8dd3fcf391b3a2d5fe7d2e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1891762Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Commit-Queue: Daniel Cheng <dcheng@chromium.org>
Commit-Queue: Jan Wilken Dörrie <jdoerrie@chromium.org>
Auto-Submit: Jeremy Apthorp <jeremya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#711456}

base/containers/span.h

@@ -509,7 +509,7 @@ template <
         decltype(base::data(std::declval<const Container&>()))>,
     typename = internal::EnableIfSpanCompatibleContainer<const Container&, T>>
 constexpr span<T, N> make_span(const Container& container) noexcept {
-  return span<T, N>(data(container), size(container));
+  return span<T, N>(base::data(container), base::size(container));
 }
 
 template <int&... ExplicitArgumentBarrier, typename T, size_t X>