Add gmock into our dependencies.

third_party/boost/boost/mpl/integral_c.hpp

Index: third_party/boost/boost/mpl/integral_c.hpp
diff --git a/third_party/boost/boost/mpl/integral_c.hpp b/third_party/boost/boost/mpl/integral_c.hpp
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+
+#ifndef BOOST_MPL_INTEGRAL_C_HPP_INCLUDED
+#define BOOST_MPL_INTEGRAL_C_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2006
+//
+// 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: 2006-11-08 16:44:30 -0500 (Wed, 08 Nov 2006) $
+// $Revision: 35926 $
+
+#include <boost/mpl/integral_c_fwd.hpp>
+#include <boost/mpl/aux_/config/ctps.hpp>
+#include <boost/mpl/aux_/config/static_constant.hpp>
+#include <boost/mpl/aux_/config/workaround.hpp>
+
+#if BOOST_WORKAROUND(__HP_aCC, <= 53800)
+// the type of non-type template arguments may not depend on template arguments
+#   define AUX_WRAPPER_PARAMS(N) typename T, long N
+#else
+#   define AUX_WRAPPER_PARAMS(N) typename T, T N
+#endif
+
+#define AUX_WRAPPER_NAME integral_c
+#define AUX_WRAPPER_VALUE_TYPE T
+#define AUX_WRAPPER_INST(value) AUX_WRAPPER_NAME< T, value >
+#include <boost/mpl/aux_/integral_wrapper.hpp>
+
+
+#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
+ && !BOOST_WORKAROUND(__BORLANDC__, <= 0x551)
+BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
+// 'bool' constant doesn't have 'next'/'prior' members
+template< bool C >
+struct integral_c<bool, C>
+{
+    BOOST_STATIC_CONSTANT(bool, value = C);
+    typedef integral_c_tag tag;
+    typedef integral_c type;
+    typedef bool value_type;
+    operator bool() const { return this->value; }
+};
+BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
+#endif
+
+#endif // BOOST_MPL_INTEGRAL_C_HPP_INCLUDED