Switch to standard integer types in net/.

BUG=488550
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Review URL: https://codereview.chromium.org/1535363003 .

Cr-Commit-Position: refs/heads/master@{#366297}
diff --git a/net/websockets/websocket_stream_create_test_base.h b/net/websockets/websocket_stream_create_test_base.h
index 8fbb48d..ca4d85057 100644
--- a/net/websockets/websocket_stream_create_test_base.h
+++ b/net/websockets/websocket_stream_create_test_base.h
@@ -9,6 +9,7 @@
 #include <utility>
 #include <vector>
 
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/run_loop.h"
 #include "base/timer/timer.h"