Chromium Code Reviews| Index: runtime/lib/bool_patch.dart | 
| diff --git a/runtime/lib/bool_patch.dart b/runtime/lib/bool_patch.dart | 
| index e6463feab13a4780055934447e74e584f3aa1873..cd6b7408a0c4deb59d8ac23ddaab6532995bf458 100644 | 
| --- a/runtime/lib/bool_patch.dart | 
| +++ b/runtime/lib/bool_patch.dart | 
| @@ -6,6 +6,10 @@ | 
| patch class bool { | 
| + /* patch */ const factory bool.fromEnvironment(String name, | 
| + {bool defaultValue}) | 
| + native "Bool_fromEnvironment"; | 
| + | 
| int get _identityHashCode { | 
| return this ? 1231 : 1237; | 
| } |