Update idl files in third_party/WebCore

html/track/TextTrackRegion.idl

Index: html/track/TextTrackRegion.idl
diff --git a/html/track/TextTrackCueList.idl b/html/track/TextTrackRegion.idl
similarity index 64%
copy from html/track/TextTrackCueList.idl
copy to html/track/TextTrackRegion.idl
index e51349c2e5edb8d28c8199492271f6e4a46d1d47..328166be7c373dc5846ef37ab54ea0cb8d7a963d 100644
--- a/html/track/TextTrackCueList.idl
+++ b/html/track/TextTrackRegion.idl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011 Google Inc.  All rights reserved.
+ * Copyright (C) 2013 Google Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -24,13 +24,27 @@
  */
 
 [
-    Conditional=VIDEO_TRACK,
+    Conditional=VIDEO_TRACK & WEBVTT_REGIONS,
     V8EnabledAtRuntime=webkitVideoTrack,
-    IndexedGetter,
-    ImplementationLacksVTable
-] interface TextTrackCueList {
-    readonly attribute unsigned long length;
-    TextTrackCue item(in unsigned long index);
-    TextTrackCue getCueById(in DOMString id);
+    JSGenerateToNativeObject,
+    Constructor()
+] interface TextTrackRegion {
+    readonly attribute TextTrack track;
+
+    attribute DOMString id;
+    attribute double width
+        setter raises (DOMException);
+    attribute long height
+        setter raises (DOMException);
+    attribute double regionAnchorX
+        setter raises (DOMException);
+    attribute double regionAnchorY
+        setter raises (DOMException);
+    attribute double viewportAnchorX
+        setter raises (DOMException);
+    attribute double viewportAnchorY
+        setter raises (DOMException);
+    attribute DOMString scroll
+        setter raises (DOMException);
 };