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

core/frame/ImageBitmap.idl

Index: core/frame/ImageBitmap.idl
diff --git a/core/frame/ImageBitmap.idl b/core/frame/ImageBitmap.idl
index 5cb21c8d1cf325c5bd6ee870a6792e1673fd8d88..b47435f59fdc76acf027f214dd12b2b73073ee2c 100644
--- a/core/frame/ImageBitmap.idl
+++ b/core/frame/ImageBitmap.idl
@@ -5,10 +5,10 @@
 // https://html.spec.whatwg.org/#images
 
 [
-    // TODO(philipj): Exposed=(Window,Worker)
+    Exposed=(Window,Worker),
     WillBeGarbageCollected,
 ] interface ImageBitmap {
-    // TODO(philipj): width/height should be unsigned long.
-    readonly attribute long width;
-    readonly attribute long height;
+    readonly attribute unsigned long width;
+    readonly attribute unsigned long height;
+    [RuntimeEnabled=ExperimentalCanvasFeatures] void close();
 };