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

modules/quota/StorageManager.idl

Index: modules/quota/StorageManager.idl
diff --git a/modules/quota/StorageManager.idl b/modules/quota/StorageManager.idl
new file mode 100644
index 0000000000000000000000000000000000000000..7d48dac1f520c134a8d911b50c41f83717c76d48
--- /dev/null
+++ b/modules/quota/StorageManager.idl
@@ -0,0 +1,18 @@
+// 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://storage.spec.whatwg.org/#storagemanager
+
+enum PersistentStoragePermission { "default", "denied", "granted" };
+
+[
+    Exposed=(Window,Worker),
+    GarbageCollected,
+    RuntimeEnabled=DurableStorage,
+] interface StorageManager {
+    [Exposed=Window, CallWith=ScriptState] Promise<boolean> requestPersistent();
+    [CallWith=ScriptState] Promise<PersistentStoragePermission> persistentPermission();
+
+    // TODO(dgrogan): Implement estimate() and persistentEstimate().
+};