Add gmock into our dependencies.

third_party/boost/boost/fusion/sequence/comparison/detail/equal_to.hpp

Index: third_party/boost/boost/fusion/sequence/comparison/detail/equal_to.hpp
diff --git a/third_party/boost/boost/fusion/sequence/comparison/detail/equal_to.hpp b/third_party/boost/boost/fusion/sequence/comparison/detail/equal_to.hpp
new file mode 100644
index 0000000000000000000000000000000000000000..6c78408ab02cf6d05324dbaffe3a0e9425c5e9b6
--- /dev/null
+++ b/third_party/boost/boost/fusion/sequence/comparison/detail/equal_to.hpp
@@ -0,0 +1,60 @@
+/*=============================================================================
+    Copyright (c) 1999-2003 Jaakko Jarvi
+    Copyright (c) 2001-2006 Joel de Guzman
+
+    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)
+==============================================================================*/
+#if !defined(FUSION_EQUAL_TO_05052005_1142)
+#define FUSION_EQUAL_TO_05052005_1142
+
+#include <boost/mpl/bool.hpp>
+#include <boost/fusion/iterator/deref.hpp>
+#include <boost/fusion/iterator/next.hpp>
+#include <boost/fusion/iterator/equal_to.hpp>
+
+namespace boost { namespace fusion { namespace detail
+{
+    template <typename Seq1, typename Seq2, bool same_size>
+    struct sequence_equal_to
+    {
+        typedef typename result_of::end<Seq1>::type end1_type;
+        typedef typename result_of::end<Seq2>::type end2_type;
+
+        template <typename I1, typename I2>
+        static bool
+        call(I1 const&, I2 const&, mpl::true_)
+        {
+            return true;
+        }
+
+        template <typename I1, typename I2>
+        static bool
+        call(I1 const& a, I2 const& b, mpl::false_)
+        {
+            return *a == *b
+                && call(fusion::next(a), fusion::next(b));
+        }
+
+        template <typename I1, typename I2>
+        static bool
+        call(I1 const& a, I2 const& b)
+        {
+            typename result_of::equal_to<I1, end1_type>::type eq;
+            return call(a, b, eq);
+        }
+    };
+
+    template <typename Seq1, typename Seq2>
+    struct sequence_equal_to<Seq1, Seq2, false>
+    {
+        template <typename I1, typename I2>
+        static bool
+        call(I1 const& a, I2 const& b)
+        {
+            return false;
+        }
+    };
+}}}
+
+#endif