Add gmock into our dependencies.

third_party/boost/boost/mpl/aux_/find_if_pred.hpp

Index: third_party/boost/boost/mpl/aux_/find_if_pred.hpp
diff --git a/third_party/boost/boost/mpl/aux_/find_if_pred.hpp b/third_party/boost/boost/mpl/aux_/find_if_pred.hpp
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+++ b/third_party/boost/boost/mpl/aux_/find_if_pred.hpp
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+
+#ifndef BOOST_MPL_AUX_FIND_IF_PRED_HPP_INCLUDED
+#define BOOST_MPL_AUX_FIND_IF_PRED_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2004
+// Copyright Eric Friedman 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/libs/mpl for documentation.
+
+#include <boost/mpl/aux_/iter_apply.hpp>
+#include <boost/mpl/not.hpp>
+
+namespace boost { namespace mpl { namespace aux {
+
+template< typename Predicate >
+struct find_if_pred
+{
+    template< typename Iterator >
+    struct apply
+    {
+        typedef not_< aux::iter_apply1<Predicate,Iterator> > type;
+    };
+};
+
+}}}
+
+#endif // BOOST_MPL_AUX_FIND_IF_PRED_HPP_INCLUDED