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

modules/mediarecorder/BlobEvent.idl

Index: modules/mediarecorder/BlobEvent.idl
diff --git a/modules/mediarecorder/BlobEvent.idl b/modules/mediarecorder/BlobEvent.idl
new file mode 100644
index 0000000000000000000000000000000000000000..5d46d5703a02d408f47e6fc151cdc21d51355232
--- /dev/null
+++ b/modules/mediarecorder/BlobEvent.idl
@@ -0,0 +1,13 @@
+// Copyright 2015 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.
+
+// https://w3c.github.io/mediacapture-record/MediaRecorder.html#blob-event
+
+[
+    Constructor(DOMString type, BlobEventInit eventInitDict),
+    RuntimeEnabled=MediaRecorder
+]
+interface BlobEvent : Event {
+    readonly attribute Blob data;
+};