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

core/css/FontFace.idl

Index: core/css/FontFace.idl
diff --git a/core/css/FontFace.idl b/core/css/FontFace.idl
index 37e45c44d39a9f48b7555e1cb112e77d69cc267c..527e800ebe3a844c32deddf3be86f11309415a4c 100644
--- a/core/css/FontFace.idl
+++ b/core/css/FontFace.idl
@@ -39,10 +39,11 @@ enum FontFaceLoadStatus {
 
 // TODO(philipj): This interface should be [Exposed=Window,Worker].
 [
-    ActiveDOMObject,
+    DependentLifetime,
     // FIXME: This should be (DOMString or BinaryData), where BinaryData is typedef of (ArrayBuffer or ArrayBufferView)
     Constructor(DOMString family, (DOMString or ArrayBuffer or ArrayBufferView) source, optional FontFaceDescriptors descriptors),
     ConstructorCallWith=ExecutionContext,
+    MeasureAs=FontFaceConstructor,
     WillBeGarbageCollected,
 ] interface FontFace {
     [RaisesException=Setter, SetterCallWith=ExecutionContext] attribute DOMString family;