Roll 50: Copied IDLs, PYTHON scripts from WebKit removed deleted files in WebCore

modules/presentation/PresentationConnectionCloseEventInit.idl

Index: modules/presentation/PresentationConnectionCloseEventInit.idl
diff --git a/modules/presentation/PresentationConnectionCloseEventInit.idl b/modules/presentation/PresentationConnectionCloseEventInit.idl
new file mode 100644
index 0000000000000000000000000000000000000000..f56dbab5ea1d6afd3bd4ebc96186b631ab3a78a0
--- /dev/null
+++ b/modules/presentation/PresentationConnectionCloseEventInit.idl
@@ -0,0 +1,8 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+dictionary PresentationConnectionCloseEventInit : EventInit {
+    required PresentationConnectionCloseReason reason;
+    DOMString message;
+};