Improvements to uses of base::SmallMap

ipc/ipc_message_utils.h

Index: ipc/ipc_message_utils.h
diff --git a/ipc/ipc_message_utils.h b/ipc/ipc_message_utils.h
index 2d51c984aa0c0fdf005b355c989bfb6774b72bf0..9ca10b766d651e795597c83138a1a8240e86e578 100644
--- a/ipc/ipc_message_utils.h
+++ b/ipc/ipc_message_utils.h
@@ -899,10 +899,11 @@ template <typename NormalMap,
           int kArraySize,
           typename EqualKey,
           typename MapInit>
-struct ParamTraits<base::SmallMap<NormalMap, kArraySize, EqualKey, MapInit> > {
-  typedef base::SmallMap<NormalMap, kArraySize, EqualKey, MapInit> param_type;
-  typedef typename param_type::key_type K;
-  typedef typename param_type::data_type V;
+struct ParamTraits<base::small_map<NormalMap, kArraySize, EqualKey, MapInit>> {
+  using param + _type =
+      base::small_map<NormalMap, kArraySize, EqualKey, MapInit> param_type;
+  using K = typename param_type::key_type;
+  using V = typename param_type::data_type;
   static void GetSize(base::PickleSizer* sizer, const param_type& p) {
     GetParamSize(sizer, static_cast<int>(p.size()));
     typename param_type::const_iterator iter;
@@ -936,7 +937,7 @@ struct ParamTraits<base::SmallMap<NormalMap, kArraySize, EqualKey, MapInit> > {
     return true;
   }
   static void Log(const param_type& p, std::string* l) {
-    l->append("<base::SmallMap>");
+    l->append("<base::small_map>");
   }
 };