[mojo-edk] Expose notification source to MojoWatch callbacks

mojo/public/cpp/bindings/lib/multiplex_router.h

Index: mojo/public/cpp/bindings/lib/multiplex_router.h
diff --git a/mojo/public/cpp/bindings/lib/multiplex_router.h b/mojo/public/cpp/bindings/lib/multiplex_router.h
index d2ce406bf96cc75bf57cce54e69a7b28d3ba1282..b056b7c2f8d2264388a790e9ed934a5304b4c00e 100644
--- a/mojo/public/cpp/bindings/lib/multiplex_router.h
+++ b/mojo/public/cpp/bindings/lib/multiplex_router.h
@@ -145,6 +145,9 @@ class MultiplexRouter
     return connector_.handle();
   }
 
+  // See Binding for comments.
+  void SetAllowSyncDispatch(bool allowed);
+
  private:
   friend class base::RefCountedDeleteOnMessageLoop<MultiplexRouter>;
   friend class base::DeleteHelper<MultiplexRouter>;