Use signature inheritance when method types are unchanged

lib/runtime/dart/async.js

Index: lib/runtime/dart/async.js
diff --git a/lib/runtime/dart/async.js b/lib/runtime/dart/async.js
index cf36e1209f6e963468829df9143805e036e4042a..bc753f5ac82d0908d0b923748dc0bee2b637e4d9 100644
--- a/lib/runtime/dart/async.js
+++ b/lib/runtime/dart/async.js
@@ -32,9 +32,7 @@ var collection = dart.import(collection);
     }
   }
   AsyncError[dart.implements] = () => [core.Error];
-  dart.setSignature(AsyncError, {
-    methods: () => ({toString: dart.functionType(core.String, [])})
-  });
+  dart.setSignature(AsyncError, {});
   class _UncaughtAsyncError extends AsyncError {
     _UncaughtAsyncError(error, stackTrace) {
       super.AsyncError(error, _UncaughtAsyncError._getBestStackTrace(error, stackTrace));
@@ -56,7 +54,6 @@ var collection = dart.import(collection);
     }
   }
   dart.setSignature(_UncaughtAsyncError, {
-    methods: () => ({toString: dart.functionType(core.String, [])}),
     statics: () => ({_getBestStackTrace: dart.functionType(core.StackTrace, [dart.dynamic, core.StackTrace])}),
     names: ['_getBestStackTrace']
   });
@@ -1231,13 +1228,7 @@ var collection = dart.import(collection);
         this[_controller][_recordResume](this);
       }
     }
-    dart.setSignature(_ControllerSubscription, {
-      methods: () => ({
-        [_onCancel]: dart.functionType(Future, []),
-        [_onPause]: dart.functionType(dart.void, []),
-        [_onResume]: dart.functionType(dart.void, [])
-      })
-    });
+    dart.setSignature(_ControllerSubscription, {});

[Jennifer Messerly, 2015/05/20 20:16:22]

we could skip empty signatures too?

[Leaf, 2015/05/20 20:41:36]

Done.

     return _ControllerSubscription;
   });
   let _ControllerSubscription = _ControllerSubscription$();
@@ -1283,9 +1274,7 @@ var collection = dart.import(collection);
       methods: () => ({
         [_expectsEvent]: dart.functionType(core.bool, [core.int]),
         [_toggleEventId]: dart.functionType(dart.void, []),
-        [_setRemoveAfterFiring]: dart.functionType(dart.void, []),
-        [_onPause]: dart.functionType(dart.void, []),
-        [_onResume]: dart.functionType(dart.void, [])
+        [_setRemoveAfterFiring]: dart.functionType(dart.void, [])
       })
     });
     return _BroadcastSubscription;
@@ -1703,10 +1692,7 @@ var collection = dart.import(collection);
     dart.setSignature(_AsBroadcastStreamController, {
       methods: () => ({
         [_addPendingEvent]: dart.functionType(dart.void, [_DelayedEvent]),
-        add: dart.functionType(dart.void, [T]),
-        addError: dart.functionType(dart.void, [core.Object], [core.StackTrace]),
-        close: dart.functionType(Future, []),
-        [_callOnCancel]: dart.functionType(dart.void, [])
+        add: dart.functionType(dart.void, [T])
       })
     });
     return _AsBroadcastStreamController;
@@ -1797,9 +1783,7 @@ var collection = dart.import(collection);
     }
   }
   DeferredLoadException[dart.implements] = () => [core.Exception];
-  dart.setSignature(DeferredLoadException, {
-    methods: () => ({toString: dart.functionType(core.String, [])})
-  });
+  dart.setSignature(DeferredLoadException, {});
   let _completeWithValue = Symbol('_completeWithValue');
   let Future$ = dart.generic(function(T) {
     class Future extends core.Object {
@@ -1995,9 +1979,7 @@ var collection = dart.import(collection);
     }
   }
   TimeoutException[dart.implements] = () => [core.Exception];
-  dart.setSignature(TimeoutException, {
-    methods: () => ({toString: dart.functionType(core.String, [])})
-  });
+  dart.setSignature(TimeoutException, {});
   let Completer$ = dart.generic(function(T) {
     class Completer extends core.Object {
       Completer() {
@@ -4244,10 +4226,6 @@ var collection = dart.import(collection);
     dart.setSignature(_ForwardingStreamSubscription, {
       methods: () => ({
         [_add]: dart.functionType(dart.void, [T]),
-        [_addError]: dart.functionType(dart.void, [core.Object, core.StackTrace]),
-        [_onPause]: dart.functionType(dart.void, []),
-        [_onResume]: dart.functionType(dart.void, []),
-        [_onCancel]: dart.functionType(Future, []),
         [_handleData]: dart.functionType(dart.void, [S]),
         [_handleError]: dart.functionType(dart.void, [dart.dynamic, core.StackTrace]),
         [_handleDone]: dart.functionType(dart.void, [])
@@ -4695,11 +4673,6 @@ var collection = dart.import(collection);
     dart.setSignature(_SinkTransformerStreamSubscription, {
       methods: () => ({
         [_add]: dart.functionType(dart.void, [T]),
-        [_addError]: dart.functionType(dart.void, [core.Object, core.StackTrace]),
-        [_close]: dart.functionType(dart.void, []),
-        [_onPause]: dart.functionType(dart.void, []),
-        [_onResume]: dart.functionType(dart.void, []),
-        [_onCancel]: dart.functionType(Future, []),
         [_handleData]: dart.functionType(dart.void, [S]),
         [_handleError]: dart.functionType(dart.void, [dart.dynamic], [dart.dynamic]),
         [_handleDone]: dart.functionType(dart.void, [])