Add gmock into our dependencies.

third_party/boost/boost/mpl/multiplies.hpp

Index: third_party/boost/boost/mpl/multiplies.hpp
diff --git a/third_party/boost/boost/mpl/multiplies.hpp b/third_party/boost/boost/mpl/multiplies.hpp
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+++ b/third_party/boost/boost/mpl/multiplies.hpp
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+
+#ifndef BOOST_MPL_MULTIPLIES_HPP_INCLUDED
+#define BOOST_MPL_MULTIPLIES_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2004
+//
+// Distributed under 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/mpl for documentation.
+
+// $Source$
+// $Date: 2004-09-02 11:41:37 -0400 (Thu, 02 Sep 2004) $
+// $Revision: 24874 $
+
+#include <boost/mpl/times.hpp>
+#include <boost/mpl/aux_/na_spec.hpp>
+#include <boost/mpl/aux_/lambda_support.hpp>
+#include <boost/mpl/aux_/preprocessor/default_params.hpp>
+#include <boost/mpl/aux_/preprocessor/params.hpp>
+#include <boost/mpl/aux_/config/ctps.hpp>
+
+// backward compatibility header, deprecated
+
+namespace boost { namespace mpl {
+
+#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
+#   define AUX778076_OP_ARITY BOOST_MPL_LIMIT_METAFUNCTION_ARITY
+#else
+#   define AUX778076_OP_ARITY 2
+#endif
+
+template<
+      BOOST_MPL_PP_DEFAULT_PARAMS(AUX778076_OP_ARITY, typename N, na)
+    >
+struct multiplies
+    : times< BOOST_MPL_PP_PARAMS(AUX778076_OP_ARITY, N) >
+{
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(
+          AUX778076_OP_ARITY
+        , multiplies
+        , ( BOOST_MPL_PP_PARAMS(AUX778076_OP_ARITY, N) )
+        )
+};
+
+BOOST_MPL_AUX_NA_SPEC(AUX778076_OP_ARITY, multiplies)
+
+#undef AUX778076_OP_ARITY
+
+}}
+
+#endif // BOOST_MPL_MULTIPLIES_HPP_INCLUDED