Bring up chrome/common/render_mesages.cc on POSIX.

chrome/common/ipc_message_utils.h

Index: chrome/common/ipc_message_utils.h
diff --git a/chrome/common/ipc_message_utils.h b/chrome/common/ipc_message_utils.h
index b01d0370c4ecaa9a98710ccadcdf6725332bdad2..b018cfdb6343b01bbd85ba07802a6a70fd670aeb 100644
--- a/chrome/common/ipc_message_utils.h
+++ b/chrome/common/ipc_message_utils.h
@@ -162,6 +162,20 @@ struct ParamTraits<size_t> {
 };
 
 template <>
+struct ParamTraits<uint32> {
+  typedef uint32 param_type;
+  static void Write(Message* m, const param_type& p) {
+    m->WriteUInt32(p);
+  }
+  static bool Read(const Message* m, void** iter, param_type* r) {
+    return m->ReadUInt32(iter, r);
+  }
+  static void Log(const param_type& p, std::wstring* l) {
+    l->append(StringPrintf(L"%u", p));
+  }
+};
+
+template <>
 struct ParamTraits<int64> {
   typedef int64 param_type;
   static void Write(Message* m, const param_type& p) {