Add gmock into our dependencies.

third_party/boost/boost/type_traits/msvc/remove_extent.hpp

Index: third_party/boost/boost/type_traits/msvc/remove_extent.hpp
diff --git a/third_party/boost/boost/type_traits/msvc/remove_extent.hpp b/third_party/boost/boost/type_traits/msvc/remove_extent.hpp
new file mode 100644
index 0000000000000000000000000000000000000000..f87ec416da1579d242e05d86f687e1359d17b78a
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+++ b/third_party/boost/boost/type_traits/msvc/remove_extent.hpp
@@ -0,0 +1,43 @@
+// Copyright (C) 2004 Peder Holt
+// Use, modification and distribution is subject to the Boost Software
+// License, Version 1.0. (http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_TYPE_TRAITS_MSVC_REMOVE_EXTENT_HOLT_2004_0827
+#define BOOST_TYPE_TRAITS_MSVC_REMOVE_EXTENT_HOLT_2004_0827
+
+#include <boost/type_traits/msvc/typeof.hpp>
+#include <boost/type_traits/is_array.hpp>
+
+namespace boost {
+    namespace detail {
+        template<bool IsArray>
+        struct remove_extent_impl_typeof {
+            template<typename T,typename ID>
+            struct inner {
+                typedef T type;
+            };
+        };
+        template<>
+        struct remove_extent_impl_typeof<true> {
+            template<typename T,typename ID>
+            struct inner {
+                template<typename U>
+                static msvc_register_type<U,ID> test(U[]);
+                static msvc_register_type<T,ID> test(...);
+                BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( *((T*)NULL) ) ));
+                typedef typename msvc_extract_type<ID>::id2type::type type;
+            };
+        };
+    } //namespace detail
+
+    template<typename T>
+    struct remove_extent {
+        typedef typename detail::remove_extent_impl_typeof<
+            boost::is_array<T>::value                
+        >::template inner<T,remove_extent<T> >::type type;
+        BOOST_MPL_AUX_LAMBDA_SUPPORT(1,remove_extent,T)
+    };
+} //namespace boost
+
+#endif //BOOST_TYPE_TRAITS_MSVC_REMOVE_BOUNDS_HOLT_2004_0827
+