Switch to standard integer types in ipc/.

BUG=138542
TBR=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1546533002

Cr-Commit-Position: refs/heads/master@{#366527}


CrOS-Libchrome-Original-Commit: 246998d858d0ac220ab272b1af0ef0c6599fe92c
diff --git a/ipc/ipc_test_base.h b/ipc/ipc_test_base.h
index 372d12a..360188f 100644
--- a/ipc/ipc_test_base.h
+++ b/ipc/ipc_test_base.h
@@ -11,6 +11,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/process/process.h"
 #include "base/test/multiprocess_test.h"
+#include "build/build_config.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_channel_factory.h"
 #include "ipc/ipc_channel_proxy.h"