Add gmock into our dependencies.

third_party/boost/boost/type_traits/is_reference.hpp

Index: third_party/boost/boost/type_traits/is_reference.hpp
diff --git a/third_party/boost/boost/type_traits/is_reference.hpp b/third_party/boost/boost/type_traits/is_reference.hpp
new file mode 100644
index 0000000000000000000000000000000000000000..0eb0d4f7140897e5e189fd6e891f3793b67352a1
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+++ b/third_party/boost/boost/type_traits/is_reference.hpp
@@ -0,0 +1,116 @@
+
+//  (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, 
+//      Howard Hinnant and John Maddock 2000. 
+//  (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001
+
+//  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.
+
+//    Fixed is_pointer, is_reference, is_const, is_volatile, is_same, 
+//    is_member_pointer based on the Simulated Partial Specialization work 
+//    of Mat Marcus and Jesse Jones. See  http://opensource.adobe.com or 
+//    http://groups.yahoo.com/group/boost/message/5441 
+//    Some workarounds in here use ideas suggested from "Generic<Programming>: 
+//    Mappings between Types and Values" 
+//    by Andrei Alexandrescu (see http://www.cuj.com/experts/1810/alexandr.html).
+
+
+#ifndef BOOST_TT_IS_REFERENCE_HPP_INCLUDED
+#define BOOST_TT_IS_REFERENCE_HPP_INCLUDED
+
+#include <boost/type_traits/config.hpp>
+
+#ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+#   include <boost/type_traits/detail/yes_no_type.hpp>
+#   include <boost/type_traits/detail/wrap.hpp>
+#endif
+
+// should be the last #include
+#include <boost/type_traits/detail/bool_trait_def.hpp>
+
+namespace boost {
+
+#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+
+BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_reference,T,false)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T&,true)
+
+#if defined(__BORLANDC__) && !defined(__COMO__) && (__BORLANDC__ < 0x600)
+// these are illegal specialisations; cv-qualifies applied to
+// references have no effect according to [8.3.2p1],
+// C++ Builder requires them though as it treats cv-qualified
+// references as distinct types...
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T& const,true)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T& volatile,true)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T& const volatile,true)
+#endif
+
+#if defined(__GNUC__) && (__GNUC__ < 3)
+// these allow us to work around illegally cv-qualified reference
+// types.
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T const ,::boost::is_reference<T>::value)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T volatile ,::boost::is_reference<T>::value)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T const volatile ,::boost::is_reference<T>::value)
+// However, the above specializations confuse gcc 2.96 unless we also
+// supply these specializations for array types
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,T[N],false)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,const T[N],false)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,volatile T[N],false)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,const volatile T[N],false)
+#endif
+
+#else
+
+#ifdef BOOST_MSVC
+#   pragma warning(push)
+#   pragma warning(disable: 4181 4097)
+#endif
+
+namespace detail {
+
+using ::boost::type_traits::yes_type;
+using ::boost::type_traits::no_type;
+using ::boost::type_traits::wrap;
+
+template <class T> T&(* is_reference_helper1(wrap<T>) )(wrap<T>);
+char is_reference_helper1(...);
+
+template <class T> no_type is_reference_helper2(T&(*)(wrap<T>));
+yes_type is_reference_helper2(...);
+
+template <typename T>
+struct is_reference_impl
+{
+    BOOST_STATIC_CONSTANT(
+        bool, value = sizeof(
+            ::boost::detail::is_reference_helper2(
+                ::boost::detail::is_reference_helper1(::boost::type_traits::wrap<T>()))) == 1
+        );
+};
+
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void,false)
+#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void const,false)
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void volatile,false)
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void const volatile,false)
+#endif
+
+} // namespace detail
+
+BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_reference,T,::boost::detail::is_reference_impl<T>::value)
+
+#ifdef BOOST_MSVC
+#   pragma warning(pop)
+#endif
+
+#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+
+} // namespace boost
+
+#include <boost/type_traits/detail/bool_trait_undef.hpp>
+
+#endif // BOOST_TT_IS_REFERENCE_HPP_INCLUDED
+