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

modules/mediastream/ConstrainLongRange.idl

Index: modules/mediastream/ConstrainLongRange.idl
diff --git a/modules/presentation/DefaultSessionStartEventInit.idl b/modules/mediastream/ConstrainLongRange.idl
similarity index 50%
rename from modules/presentation/DefaultSessionStartEventInit.idl
rename to modules/mediastream/ConstrainLongRange.idl
index 90f9db3c2d65baab601c5960c686cf4201208089..a89473418c7e142b8ef43d77c88d2c2b024f4cac 100644
--- a/modules/presentation/DefaultSessionStartEventInit.idl
+++ b/modules/mediastream/ConstrainLongRange.idl
@@ -2,8 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// https://w3c.github.io/presentation-api/#interface-defaultsessionstartevent
+// https://w3c.github.io/mediacapture-main/getusermedia.html#idl-def-ConstrainLongRange
 
-dictionary DefaultSessionStartEventInit : EventInit {
-    PresentationSession session;
+dictionary ConstrainLongRange : LongRange {
+    long exact;
+    long ideal;
 };