Hide in_memory parameter in native interface

lib/browser/api/session.js

@@ -2,24 +2,15 @@ const {EventEmitter} = require('events')
 const {app} = require('electron')
 const {fromPartition, _setWrapSession} = process.atomBinding('session')
 
-const PERSIST_PREFIX = 'persist:'
-
-// Returns the Session from |partition| string.
-exports.fromPartition = function (partition = '') {
-  if (partition === '') return exports.defaultSession
-
-  if (partition.startsWith(PERSIST_PREFIX)) {
-    return fromPartition(partition.substr(PERSIST_PREFIX.length), false)
-  } else {
-    return fromPartition(partition, true)
-  }
-}
-
 // Returns the default session.
-Object.defineProperty(exports, 'defaultSession', {
-  enumerable: true,
-  get: function () {
-    return fromPartition('', false)
+Object.defineProperties(exports, {
+  defaultSession: {
+    enumerable: true,
+    get () { return fromPartition('') }
+  },
+  fromPartition: {
+    enumerable: true,
+    value: fromPartition
   }
 })