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

modules/mediastream/MediaDevices.idl

Index: modules/mediastream/MediaDevices.idl
diff --git a/modules/mediastream/MediaDevices.idl b/modules/mediastream/MediaDevices.idl
index 38c43defda5ed47e402f0289e6a4b36de651d2fc..f7aa991e1e2a6adcefaabcccf4066963a354c92d 100644
--- a/modules/mediastream/MediaDevices.idl
+++ b/modules/mediastream/MediaDevices.idl
@@ -8,9 +8,9 @@
 
 [
     GarbageCollected,
-    RuntimeEnabled=EnumerateDevices
+    RuntimeEnabled=MediaDevices
 ]
 interface MediaDevices {
-    [RuntimeEnabled=EnumerateDevices, TypeChecking=Interface, CallWith=ScriptState] Promise<sequence<MediaDeviceInfo>> enumerateDevices();
-    [CallWith=ScriptState, RaisesException] Promise<MediaStream> getUserMedia(Dictionary options);
+    [CallWith=ScriptState, MeasureAs=MediaDevicesEnumerateDevices] Promise<sequence<MediaDeviceInfo>> enumerateDevices();
+    [RuntimeEnabled=GetUserMedia, CallWith=ScriptState, RaisesException] Promise<MediaStream> getUserMedia(MediaStreamConstraints options);
 };