Revert of Mojo: Armed Watchers

mojo/public/cpp/bindings/binding.h

Index: mojo/public/cpp/bindings/binding.h
diff --git a/mojo/public/cpp/bindings/binding.h b/mojo/public/cpp/bindings/binding.h
index ba5954c2cd7784dc0859aae08d4a55dfaee812f8..1da331bb118cc964e12b37d584aea5fa33a7ba85 100644
--- a/mojo/public/cpp/bindings/binding.h
+++ b/mojo/public/cpp/bindings/binding.h
@@ -208,10 +208,6 @@
     internal_state_.CloseWithReason(custom_reason, description);
   }
 
-  void EnableNestedDispatch(bool enabled) {
-    internal_state_.EnableNestedDispatch(enabled);
-  }
-
   // Unbinds the underlying pipe from this binding and returns it so it can be
   // used in another context, such as on another thread or with a different
   // implementation. Put this object into a state where it can be rebound to a