One more factory -> default pass.

dart/tests/language/src/InterfaceFactoryTest.dart

Index: dart/tests/language/src/InterfaceFactoryTest.dart
diff --git a/dart/tests/language/src/InterfaceFactoryTest.dart b/dart/tests/language/src/InterfaceFactoryTest.dart
index e39de7efa130996bf5e9b4c0a4ee572a8a8b188a..ad786ad31cc6fb81472ced76a9c5b55dc1f57a3e 100644
--- a/dart/tests/language/src/InterfaceFactoryTest.dart
+++ b/dart/tests/language/src/InterfaceFactoryTest.dart
@@ -7,7 +7,7 @@
 // Variant 1.  The factory class implements the interface and provides
 // a default implementation of the interface.
 
-interface Interface1 factory DefaultImplementation {
+interface Interface1 default DefaultImplementation {
   Interface1(var secret);
   Interface1.named();
 
@@ -31,7 +31,7 @@ class DefaultImplementation implements Interface1 {
 // Variant 2.  The factory class provides factory constructors for the
 // interface.
 
-interface Interface2 factory FactoryProvider {
+interface Interface2 default FactoryProvider {
   Interface2(var secret);
   Interface2.named();