Mark two inner classes in net/ exported

net/websockets/websocket_inflater.h

Index: net/websockets/websocket_inflater.h
diff --git a/net/websockets/websocket_inflater.h b/net/websockets/websocket_inflater.h
index e57317f53343b8c44aae5d15d0256e3e88e1e15f..fdfa7624fef425d28e9c59eb7c63b3658233fcd8 100644
--- a/net/websockets/websocket_inflater.h
+++ b/net/websockets/websocket_inflater.h
@@ -66,7 +66,7 @@ class NET_EXPORT_PRIVATE WebSocketInflater {
 
  private:
   // Ring buffer with fixed capacity.
-  class OutputBuffer {
+  class NET_EXPORT_PRIVATE OutputBuffer {
    public:
     explicit OutputBuffer(size_t capacity);
     ~OutputBuffer();