Add gmock into our dependencies.

third_party/boost/boost/type_traits/is_class.hpp

Index: third_party/boost/boost/type_traits/is_class.hpp
diff --git a/third_party/boost/boost/type_traits/is_class.hpp b/third_party/boost/boost/type_traits/is_class.hpp
new file mode 100644
index 0000000000000000000000000000000000000000..63a0c6a5fb214ac008bae1ef7d729653f468a477
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+++ b/third_party/boost/boost/type_traits/is_class.hpp
@@ -0,0 +1,139 @@
+//  (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard
+//  Hinnant & John Maddock 2000-2003.
+//  Use, modification and distribution are subject to 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/type_traits for most recent version including documentation.
+
+
+#ifndef BOOST_TT_IS_CLASS_HPP_INCLUDED
+#define BOOST_TT_IS_CLASS_HPP_INCLUDED
+
+#include <boost/type_traits/config.hpp>
+#include <boost/type_traits/intrinsics.hpp>
+#ifndef BOOST_IS_CLASS
+#   include <boost/type_traits/is_union.hpp>
+#   include <boost/type_traits/detail/ice_and.hpp>
+#   include <boost/type_traits/detail/ice_not.hpp>
+
+#ifdef BOOST_TT_HAS_CONFORMING_IS_CLASS_IMPLEMENTATION
+#   include <boost/type_traits/detail/yes_no_type.hpp>
+#else
+#   include <boost/type_traits/is_scalar.hpp>
+#   include <boost/type_traits/is_array.hpp>
+#   include <boost/type_traits/is_reference.hpp>
+#   include <boost/type_traits/is_void.hpp>
+#   include <boost/type_traits/is_function.hpp>
+#endif
+
+#ifdef __EDG_VERSION__
+#   include <boost/type_traits/remove_cv.hpp>
+#endif
+#endif // BOOST_IS_CLASS
+
+// should be the last #include
+#include <boost/type_traits/detail/bool_trait_def.hpp>
+
+namespace boost {
+
+namespace detail {
+
+#ifndef BOOST_IS_CLASS
+#ifdef BOOST_TT_HAS_CONFORMING_IS_CLASS_IMPLEMENTATION
+
+// This is actually the conforming implementation which works with
+// abstract classes.  However, enough compilers have trouble with
+// it that most will use the one in
+// boost/type_traits/object_traits.hpp. This implementation
+// actually works with VC7.0, but other interactions seem to fail
+// when we use it.
+
+// is_class<> metafunction due to Paul Mensonides
+// (leavings@attbi.com). For more details:
+// http://groups.google.com/groups?hl=en&selm=000001c1cc83%24e154d5e0%247772e50c%40c161550a&rnum=1
+#if defined(__GNUC__)  && !defined(__EDG_VERSION__)
+
+template <class U> ::boost::type_traits::yes_type is_class_tester(void(U::*)(void));
+template <class U> ::boost::type_traits::no_type is_class_tester(...);
+
+template <typename T>
+struct is_class_impl
+{
+
+    BOOST_STATIC_CONSTANT(bool, value =
+        (::boost::type_traits::ice_and<
+            sizeof(is_class_tester<T>(0)) == sizeof(::boost::type_traits::yes_type),
+            ::boost::type_traits::ice_not< ::boost::is_union<T>::value >::value
+        >::value)
+        );
+};
+
+#else
+
+template <typename T>
+struct is_class_impl
+{
+    template <class U> static ::boost::type_traits::yes_type is_class_tester(void(U::*)(void));
+    template <class U> static ::boost::type_traits::no_type is_class_tester(...);
+
+    BOOST_STATIC_CONSTANT(bool, value =
+        (::boost::type_traits::ice_and<
+            sizeof(is_class_tester<T>(0)) == sizeof(::boost::type_traits::yes_type),
+            ::boost::type_traits::ice_not< ::boost::is_union<T>::value >::value
+        >::value)
+        );
+};
+
+#endif
+
+#else
+
+template <typename T>
+struct is_class_impl
+{
+#   ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+    BOOST_STATIC_CONSTANT(bool, value =
+    (::boost::type_traits::ice_and<
+        ::boost::type_traits::ice_not< ::boost::is_union<T>::value >::value,
+        ::boost::type_traits::ice_not< ::boost::is_scalar<T>::value >::value,
+        ::boost::type_traits::ice_not< ::boost::is_array<T>::value >::value,
+        ::boost::type_traits::ice_not< ::boost::is_reference<T>::value>::value,
+        ::boost::type_traits::ice_not< ::boost::is_void<T>::value >::value,
+        ::boost::type_traits::ice_not< ::boost::is_function<T>::value >::value
+        >::value));
+#   else
+    BOOST_STATIC_CONSTANT(bool, value =
+    (::boost::type_traits::ice_and<
+        ::boost::type_traits::ice_not< ::boost::is_union<T>::value >::value,
+        ::boost::type_traits::ice_not< ::boost::is_scalar<T>::value >::value,
+        ::boost::type_traits::ice_not< ::boost::is_array<T>::value >::value,
+        ::boost::type_traits::ice_not< ::boost::is_reference<T>::value>::value,
+        ::boost::type_traits::ice_not< ::boost::is_void<T>::value >::value
+        >::value));
+#   endif
+};
+
+# endif // BOOST_TT_HAS_CONFORMING_IS_CLASS_IMPLEMENTATION
+# else // BOOST_IS_CLASS
+template <typename T>
+struct is_class_impl
+{
+    BOOST_STATIC_CONSTANT(bool, value = BOOST_IS_CLASS(T));
+};
+# endif // BOOST_IS_CLASS
+
+} // namespace detail
+
+# ifdef __EDG_VERSION__
+BOOST_TT_AUX_BOOL_TRAIT_DEF1(
+   is_class,T, boost::detail::is_class_impl<typename boost::remove_cv<T>::type>::value)
+# else 
+BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_class,T,::boost::detail::is_class_impl<T>::value)
+# endif
+    
+} // namespace boost
+
+#include <boost/type_traits/detail/bool_trait_undef.hpp>
+
+#endif // BOOST_TT_IS_CLASS_HPP_INCLUDED