Add gmock into our dependencies.

third_party/boost/boost/preprocessor/logical/bitand.hpp

Index: third_party/boost/boost/preprocessor/logical/bitand.hpp
diff --git a/third_party/boost/boost/preprocessor/logical/bitand.hpp b/third_party/boost/boost/preprocessor/logical/bitand.hpp
new file mode 100644
index 0000000000000000000000000000000000000000..74e9527f20e353fa2d1064a3ddda07be42dacd51
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+++ b/third_party/boost/boost/preprocessor/logical/bitand.hpp
@@ -0,0 +1,38 @@
+# /* **************************************************************************
+#  *                                                                          *
+#  *     (C) Copyright Paul Mensonides 2002.
+#  *     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 for most recent version. */
+#
+# ifndef BOOST_PREPROCESSOR_LOGICAL_BITAND_HPP
+# define BOOST_PREPROCESSOR_LOGICAL_BITAND_HPP
+#
+# include <boost/preprocessor/config/config.hpp>
+#
+# /* BOOST_PP_BITAND */
+#
+# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
+#    define BOOST_PP_BITAND(x, y) BOOST_PP_BITAND_I(x, y)
+# else
+#    define BOOST_PP_BITAND(x, y) BOOST_PP_BITAND_OO((x, y))
+#    define BOOST_PP_BITAND_OO(par) BOOST_PP_BITAND_I ## par
+# endif
+#
+# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
+#    define BOOST_PP_BITAND_I(x, y) BOOST_PP_BITAND_ ## x ## y
+# else
+#    define BOOST_PP_BITAND_I(x, y) BOOST_PP_BITAND_ID(BOOST_PP_BITAND_ ## x ## y)
+#    define BOOST_PP_BITAND_ID(res) res
+# endif
+#
+# define BOOST_PP_BITAND_00 0
+# define BOOST_PP_BITAND_01 0
+# define BOOST_PP_BITAND_10 0
+# define BOOST_PP_BITAND_11 1
+#
+# endif