[mojo-edk] Add explicit message object APIs

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 f1fc9167e899253d2211c5bc5088e95525446232..c8ccc37c536db220ef621fa5dc51299515236f24 100644
--- a/mojo/edk/js/core.cc
+++ b/mojo/edk/js/core.cc
@@ -145,12 +145,10 @@ MojoResult WriteMessage(
                           raw_handles.empty() ? NULL : &raw_handles[0],
                           static_cast<uint32_t>(raw_handles.size()),
                           flags);
-  // MojoWriteMessage takes ownership of the handles upon success, so
-  // release them here.
-  if (rv == MOJO_RESULT_OK) {
-    for (size_t i = 0; i < handles.size(); ++i)
-      ignore_result(handles[i]->release());
-  }
+  // MojoWriteMessage takes ownership of the handles, so release them here.
+  for (size_t i = 0; i < handles.size(); ++i)
+    ignore_result(handles[i]->release());
+
   return rv;
 }