Add gmock into our dependencies.

third_party/boost/boost/type_traits/add_pointer.hpp

Index: third_party/boost/boost/type_traits/add_pointer.hpp
diff --git a/third_party/boost/boost/type_traits/add_pointer.hpp b/third_party/boost/boost/type_traits/add_pointer.hpp
new file mode 100644
index 0000000000000000000000000000000000000000..308baf0fb71e4182a479a27ff01fd269ba288bf5
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+++ b/third_party/boost/boost/type_traits/add_pointer.hpp
@@ -0,0 +1,72 @@
+
+// (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
+//  Use, modification and distribution are subject to the Boost Software License,
+//  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt).
+//
+//  See http://www.boost.org/libs/type_traits for most recent version including documentation.
+
+#ifndef BOOST_TT_ADD_POINTER_HPP_INCLUDED
+#define BOOST_TT_ADD_POINTER_HPP_INCLUDED
+
+#include <boost/type_traits/remove_reference.hpp>
+
+// should be the last #include
+#include <boost/type_traits/detail/type_trait_def.hpp>
+
+namespace boost {
+
+namespace detail {
+
+#if defined(__BORLANDC__) && (__BORLANDC__ < 0x600)
+//
+// For some reason this implementation stops Borlands compiler
+// from dropping cv-qualifiers, it still fails with references
+// to arrays for some reason though (shrug...) (JM 20021104)
+//
+template <typename T>
+struct add_pointer_impl
+{
+    typedef T* type;
+};
+template <typename T>
+struct add_pointer_impl<T&>
+{
+    typedef T* type;
+};
+template <typename T>
+struct add_pointer_impl<T&const>
+{
+    typedef T* type;
+};
+template <typename T>
+struct add_pointer_impl<T&volatile>
+{
+    typedef T* type;
+};
+template <typename T>
+struct add_pointer_impl<T&const volatile>
+{
+    typedef T* type;
+};
+
+#else
+
+template <typename T>
+struct add_pointer_impl
+{
+    typedef typename remove_reference<T>::type no_ref_type;
+    typedef no_ref_type* type;
+};
+
+#endif
+
+} // namespace detail
+
+BOOST_TT_AUX_TYPE_TRAIT_DEF1(add_pointer,T,typename boost::detail::add_pointer_impl<T>::type)
+
+} // namespace boost
+
+#include <boost/type_traits/detail/type_trait_undef.hpp>
+
+#endif // BOOST_TT_ADD_POINTER_HPP_INCLUDED