Switch to standard integer types in dbus/.

dbus/bus.cc

Index: dbus/bus.cc
diff --git a/dbus/bus.cc b/dbus/bus.cc
index 3a4fe219f748d43ed1969f70c593637ec6831619..554ccb829d1a0e1925ba961cbcf2ced8e3579027 100644
--- a/dbus/bus.cc
+++ b/dbus/bus.cc
@@ -4,6 +4,8 @@
 
 #include "dbus/bus.h"
 
+#include <stddef.h>
+
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
@@ -678,7 +680,7 @@ void Bus::SendWithReply(DBusMessage* request,
   CHECK(success) << "Unable to allocate memory";
 }
 
-void Bus::Send(DBusMessage* request, uint32* serial) {
+void Bus::Send(DBusMessage* request, uint32_t* serial) {
   DCHECK(connection_);
   AssertOnDBusThread();