Code cleanup for remote module

atom/renderer/api/lib/remote.coffee

@@ -46,7 +46,7 @@ metaToValue = (meta) ->
     when 'array' then (metaToValue(el) for el in meta.members)
     when 'buffer' then new Buffer(meta.value)
     when 'promise' then Promise.resolve(then: metaToValue(meta.then))
-    when 'error' then metaToError(meta)
+    when 'error' then metaToPlainObject meta
     when 'date' then new Date(meta.value)
     when 'exception'
       throw new Error("#{meta.message}\n#{meta.stack}")
@@ -110,16 +110,13 @@ metaToValue = (meta) ->
 
       ret
 
-# Convert meta data from browser into Error.
-metaToError = (meta) ->
-  Object.getOwnPropertyNames(meta).reduce((error, prop) ->
-    Object.defineProperty(error, prop, {
-      get: -> meta[prop],
-      enumerable: false,
-      configurable: false
-    })
-    error
-  , new Error())
+# Construct a plain object from the meta.
+metaToPlainObject = (meta) ->
+  obj = switch meta.type
+    when 'error' then new Error
+    else {}
+  obj[name] = value for {name, value} in meta.members
+  obj
 
 # Browser calls a callback in renderer.
 ipc.on 'ATOM_RENDERER_CALLBACK', (id, args) ->