Enable converting v8::Function to base::Callback.

atom/common/browser_v8_locker.cc

@@ -0,0 +1,21 @@
+// Copyright (c) 2014 GitHub, Inc. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "atom/common/browser_v8_locker.h"
+
+namespace node {
+extern bool g_standalone_mode;
+}
+
+namespace atom {
+
+BrowserV8Locker::BrowserV8Locker(v8::Isolate* isolate) {
+  if (node::g_standalone_mode)
+    locker_.reset(new v8::Locker(isolate));
+}
+
+BrowserV8Locker::~BrowserV8Locker() {
+}
+
+}  // namespace atom