Add gmock into our dependencies.

third_party/boost/boost/fusion/container/vector/detail/begin_impl.hpp

Index: third_party/boost/boost/fusion/container/vector/detail/begin_impl.hpp
diff --git a/third_party/boost/boost/fusion/container/vector/detail/begin_impl.hpp b/third_party/boost/boost/fusion/container/vector/detail/begin_impl.hpp
new file mode 100644
index 0000000000000000000000000000000000000000..d2d687be0cf0a6792d919655f92ac33033e18bf0
--- /dev/null
+++ b/third_party/boost/boost/fusion/container/vector/detail/begin_impl.hpp
@@ -0,0 +1,39 @@
+/*=============================================================================
+    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_BEGIN_IMPL_05042005_1136)
+#define FUSION_BEGIN_IMPL_05042005_1136
+
+#include <boost/fusion/container/vector/vector_iterator.hpp>
+
+namespace boost { namespace fusion
+{
+    struct vector_tag;
+
+    namespace extension
+    {
+        template <typename Tag>
+        struct begin_impl;
+
+        template <>
+        struct begin_impl<vector_tag>
+        {
+            template <typename Sequence>
+            struct apply 
+            {
+                typedef vector_iterator<Sequence, 0> type;
+    
+                static type
+                call(Sequence& v)
+                {
+                    return type(v);
+                }
+            };
+        };
+    }
+}}
+
+#endif