Revert of Mojo EDK: Introduce MojoQueryHandleSignalsState API

mojo/edk/js/core.cc

Index: mojo/edk/js/core.cc
diff --git a/mojo/edk/js/core.cc b/mojo/edk/js/core.cc
index db9a395402c18022dbcd7fff83f428084361f6e2..f3eec8cc8422ddf69ef0ba5f093a004e3b1d1d06 100644
--- a/mojo/edk/js/core.cc
+++ b/mojo/edk/js/core.cc
@@ -33,20 +33,6 @@
     return MOJO_RESULT_INVALID_ARGUMENT;
   handle->Close();
   return MOJO_RESULT_OK;
-}
-
-gin::Dictionary QueryHandleSignalsState(const gin::Arguments& args,
-                                        mojo::Handle handle) {
-  gin::Dictionary dictionary = gin::Dictionary::CreateEmpty(args.isolate());
-  if (!handle.is_valid()) {
-    dictionary.Set("result", MOJO_RESULT_INVALID_ARGUMENT);
-  } else {
-    HandleSignalsState state = handle.QuerySignalsState();
-    dictionary.Set("result", MOJO_RESULT_OK);
-    dictionary.Set("satisfiedSignals", state.satisfied_signals);
-    dictionary.Set("satisfiableSignals", state.satisfiable_signals);
-  }
-  return dictionary;
 }
 
 gin::Dictionary WaitHandle(const gin::Arguments& args,
@@ -402,7 +388,6 @@
             // TODO(mpcomplete): Should these just be methods on the JS Handle
             // object?
             .SetMethod("close", CloseHandle)
-            .SetMethod("queryHandleSignalsState", QueryHandleSignalsState)
             .SetMethod("wait", WaitHandle)
             .SetMethod("waitMany", WaitMany)
             .SetMethod("createMessagePipe", CreateMessagePipe)