Add gmock into our dependencies.

third_party/boost/boost/type_traits/is_member_object_pointer.hpp

Index: third_party/boost/boost/type_traits/is_member_object_pointer.hpp
diff --git a/third_party/boost/boost/type_traits/is_member_object_pointer.hpp b/third_party/boost/boost/type_traits/is_member_object_pointer.hpp
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index 0000000000000000000000000000000000000000..66b76c90b378abe3b9f6a988b7a912f6766a7d82
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+++ b/third_party/boost/boost/type_traits/is_member_object_pointer.hpp
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+
+//  (C) Copyright John Maddock 2005.  
+//  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_IS_MEMBER_OBJECT_POINTER_HPP_INCLUDED
+#define BOOST_TT_IS_MEMBER_OBJECT_POINTER_HPP_INCLUDED
+
+#include <boost/type_traits/config.hpp>
+#include <boost/type_traits/is_member_pointer.hpp>
+#include <boost/type_traits/is_member_function_pointer.hpp>
+#include <boost/type_traits/detail/ice_and.hpp>
+#include <boost/type_traits/detail/ice_not.hpp>
+
+// should be the last #include
+#include <boost/type_traits/detail/bool_trait_def.hpp>
+
+namespace boost {
+
+namespace detail{
+
+template <typename T>
+struct is_member_object_pointer_impl
+{
+   BOOST_STATIC_CONSTANT(
+      bool, value = (::boost::type_traits::ice_and<
+         ::boost::is_member_pointer<T>::value,
+         ::boost::type_traits::ice_not<
+            ::boost::is_member_function_pointer<T>::value
+         >::value
+      >::value ));
+};
+
+} // namespace detail
+
+BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_member_object_pointer,T,::boost::detail::is_member_object_pointer_impl<T>::value)
+
+} // namespace boost
+
+#include <boost/type_traits/detail/bool_trait_undef.hpp>
+
+#endif // BOOST_TT_IS_MEMBER_FUNCTION_POINTER_HPP_INCLUDED