Switch to standard integer types in ppapi/.

ppapi/thunk/ppb_broker_thunk.cc

Index: ppapi/thunk/ppb_broker_thunk.cc
diff --git a/ppapi/thunk/ppb_broker_thunk.cc b/ppapi/thunk/ppb_broker_thunk.cc
index 0f2f1c9ebd06f72ae382a3dae2f1b95d1d7d7cce..43a82f3b26cebae72c9e5c5301ce56e8502e809d 100644
--- a/ppapi/thunk/ppb_broker_thunk.cc
+++ b/ppapi/thunk/ppb_broker_thunk.cc
@@ -2,13 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ppapi/c/trusted/ppb_broker_trusted.h"
+#include <stdint.h>
+
 #include "ppapi/c/pp_errors.h"
+#include "ppapi/c/trusted/ppb_broker_trusted.h"
 #include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/thunk.h"
 #include "ppapi/thunk/ppb_broker_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
+#include "ppapi/thunk/thunk.h"
 
 namespace ppapi {
 namespace thunk {