Add gmock into our dependencies.

third_party/boost/boost/mpl/aux_/config/ctps.hpp

Index: third_party/boost/boost/mpl/aux_/config/ctps.hpp
diff --git a/third_party/boost/boost/mpl/aux_/config/ctps.hpp b/third_party/boost/boost/mpl/aux_/config/ctps.hpp
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index 0000000000000000000000000000000000000000..2db213017da973e41457e15d6020dc0e2d5b505d
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+++ b/third_party/boost/boost/mpl/aux_/config/ctps.hpp
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+
+#ifndef BOOST_MPL_AUX_CONFIG_CTPS_HPP_INCLUDED
+#define BOOST_MPL_AUX_CONFIG_CTPS_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: 2007-11-25 13:07:19 -0500 (Sun, 25 Nov 2007) $
+// $Revision: 41369 $
+
+#include <boost/mpl/aux_/config/workaround.hpp>
+#include <boost/config.hpp>
+
+#if    !defined(BOOST_MPL_CFG_NO_NONTYPE_TEMPLATE_PARTIAL_SPEC) \
+    && !defined(BOOST_MPL_PREPROCESSING_MODE) \
+    && BOOST_WORKAROUND(__BORLANDC__, < 0x582)
+
+#   define BOOST_MPL_CFG_NO_NONTYPE_TEMPLATE_PARTIAL_SPEC
+
+#endif
+
+// BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION is defined in <boost/config.hpp>
+
+#endif // BOOST_MPL_AUX_CONFIG_CTPS_HPP_INCLUDED