fix #43, remove => workaround

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 20a147aaf772cccfe0ed008125fa916a615809cd..88298c6abcfa62b9c12f340092801e93f5ba50e3 100644
--- a/lib/runtime/dart/async.js
+++ b/lib/runtime/dart/async.js
@@ -642,9 +642,9 @@ dart_library.library('dart/async', null, /* Imports */[
             return;
           }
           elementIndex = elementIndex + 1;
-        }, dart.void, [T]), {onError: dart.bind(future, _completeError), onDone: dart.fn((() => {
+        }, dart.void, [T]), {onError: dart.bind(future, _completeError), onDone: dart.fn(() => {
             future[_completeError](core.RangeError.index(index, this, "index", null, elementIndex));
-          }).bind(this), dart.void, []), cancelOnError: true});
+          }, dart.void, []), cancelOnError: true});
         return future;
       }
       timeout(timeLimit, opts) {
@@ -956,10 +956,10 @@ dart_library.library('dart/async', null, /* Imports */[
         this[_onDone] = dart.fn(() => {
           result[_complete](futureValue);
         }, dart.void, []);
-        this[_onError] = dart.fn(((error, stackTrace) => {
+        this[_onError] = dart.fn((error, stackTrace) => {
           this.cancel();
           result[_completeError](error, dart.as(stackTrace, core.StackTrace));
-        }).bind(this));
+        });
         return result;
       }
       get [_isInputPaused]() {
@@ -2285,9 +2285,9 @@ dart_library.library('dart/async', null, /* Imports */[
       [_addListener](listener) {
         dart.assert(listener[_nextListener] == null);
         if (dart.notNull(this[_isComplete])) {
-          this[_zone].scheduleMicrotask(dart.fn((() => {
+          this[_zone].scheduleMicrotask(dart.fn(() => {
             _Future$()._propagateToListeners(this, listener);
-          }).bind(this), dart.void, []));
+          }, dart.void, []));
         } else {
           listener[_nextListener] = dart.as(this[_resultOrListeners], _FutureListener);
           this[_resultOrListeners] = listener;
@@ -2367,9 +2367,9 @@ dart_library.library('dart/async', null, /* Imports */[
             let coreFuture = dart.as(typedFuture, _Future$(T));
             if (dart.notNull(coreFuture[_isComplete]) && dart.notNull(coreFuture[_hasError])) {
               this[_markPendingCompletion]();
-              this[_zone].scheduleMicrotask(dart.fn((() => {
+              this[_zone].scheduleMicrotask(dart.fn(() => {
                 _Future$()._chainCoreFuture(coreFuture, this);
-              }).bind(this), dart.void, []));
+              }, dart.void, []));
             } else {
               _Future$()._chainCoreFuture(coreFuture, this);
             }
@@ -2381,16 +2381,16 @@ dart_library.library('dart/async', null, /* Imports */[
           let typedValue = dart.as(value, T);
         }
         this[_markPendingCompletion]();
-        this[_zone].scheduleMicrotask(dart.fn((() => {
+        this[_zone].scheduleMicrotask(dart.fn(() => {
           this[_completeWithValue](value);
-        }).bind(this), dart.void, []));
+        }, dart.void, []));
       }
       [_asyncCompleteError](error, stackTrace) {
         dart.assert(!dart.notNull(this[_isComplete]));
         this[_markPendingCompletion]();
-        this[_zone].scheduleMicrotask(dart.fn((() => {
+        this[_zone].scheduleMicrotask(dart.fn(() => {
           this[_completeError](error, stackTrace);
-        }).bind(this), dart.void, []));
+        }, dart.void, []));
       }
       static _propagateToListeners(source, listeners) {
         while (true) {
@@ -3117,9 +3117,9 @@ dart_library.library('dart/async', null, /* Imports */[
           this[_varData] = subscription;
         }
         subscription[_setPendingEvents](pendingEvents);
-        subscription[_guardCallback](dart.fn((() => {
+        subscription[_guardCallback](dart.fn(() => {
           _runGuarded(this[_onListen]);
-        }).bind(this)));
+        }));
         return dart.as(subscription, StreamSubscription$(T));
       }
       [_recordCancel](subscription) {
@@ -3394,9 +3394,9 @@ dart_library.library('dart/async', null, /* Imports */[
           this.addStreamFuture[_asyncComplete](null);
           return null;
         }
-        return cancel2.whenComplete(dart.fn((() => {
+        return cancel2.whenComplete(dart.fn(() => {
           this.addStreamFuture[_asyncComplete](null);
-        }).bind(this)));
+        }));
       }
       complete() {
         this.addStreamFuture[_asyncComplete](null);
@@ -3486,12 +3486,12 @@ dart_library.library('dart/async', null, /* Imports */[
         this[_state] = _PendingEvents._STATE_SCHEDULED;
         return;
       }
-      scheduleMicrotask(dart.fn((() => {
+      scheduleMicrotask(dart.fn(() => {
         let oldState = this[_state];
         this[_state] = _PendingEvents._STATE_UNSCHEDULED;
         if (oldState == _PendingEvents._STATE_CANCELED) return;
         this.handleNext(dispatch);
-      }).bind(this), dart.void, []));
+      }, dart.void, []));
       this[_state] = _PendingEvents._STATE_SCHEDULED;
     }
     cancelSchedule() {
@@ -5226,27 +5226,27 @@ dart_library.library('dart/async', null, /* Imports */[
       let runGuarded = opts && 'runGuarded' in opts ? opts.runGuarded : true;
       let registered = this.registerCallback(f);
       if (dart.notNull(runGuarded)) {
-        return dart.fn((() => this.runGuarded(registered)).bind(this));
+        return dart.fn(() => this.runGuarded(registered));
       } else {
-        return dart.fn((() => this.run(registered)).bind(this));
+        return dart.fn(() => this.run(registered));
       }
     }
     bindUnaryCallback(f, opts) {
       let runGuarded = opts && 'runGuarded' in opts ? opts.runGuarded : true;
       let registered = this.registerUnaryCallback(f);
       if (dart.notNull(runGuarded)) {
-        return dart.fn((arg => this.runUnaryGuarded(registered, arg)).bind(this));
+        return dart.fn(arg => this.runUnaryGuarded(registered, arg));
       } else {
-        return dart.fn((arg => this.runUnary(registered, arg)).bind(this));
+        return dart.fn(arg => this.runUnary(registered, arg));
       }
     }
     bindBinaryCallback(f, opts) {
       let runGuarded = opts && 'runGuarded' in opts ? opts.runGuarded : true;
       let registered = this.registerBinaryCallback(f);
       if (dart.notNull(runGuarded)) {
-        return dart.fn(((arg1, arg2) => this.runBinaryGuarded(registered, arg1, arg2)).bind(this));
+        return dart.fn((arg1, arg2) => this.runBinaryGuarded(registered, arg1, arg2));
       } else {
-        return dart.fn(((arg1, arg2) => this.runBinary(registered, arg1, arg2)).bind(this));
+        return dart.fn((arg1, arg2) => this.runBinary(registered, arg1, arg2));
       }
     }
     get(key) {
@@ -5609,25 +5609,25 @@ dart_library.library('dart/async', null, /* Imports */[
     bindCallback(f, opts) {
       let runGuarded = opts && 'runGuarded' in opts ? opts.runGuarded : true;
       if (dart.notNull(runGuarded)) {
-        return dart.fn((() => this.runGuarded(f)).bind(this));
+        return dart.fn(() => this.runGuarded(f));
       } else {
-        return dart.fn((() => this.run(f)).bind(this));
+        return dart.fn(() => this.run(f));
       }
     }
     bindUnaryCallback(f, opts) {
       let runGuarded = opts && 'runGuarded' in opts ? opts.runGuarded : true;
       if (dart.notNull(runGuarded)) {
-        return dart.fn((arg => this.runUnaryGuarded(f, arg)).bind(this));
+        return dart.fn(arg => this.runUnaryGuarded(f, arg));
       } else {
-        return dart.fn((arg => this.runUnary(f, arg)).bind(this));
+        return dart.fn(arg => this.runUnary(f, arg));
       }
     }
     bindBinaryCallback(f, opts) {
       let runGuarded = opts && 'runGuarded' in opts ? opts.runGuarded : true;
       if (dart.notNull(runGuarded)) {
-        return dart.fn(((arg1, arg2) => this.runBinaryGuarded(f, arg1, arg2)).bind(this));
+        return dart.fn((arg1, arg2) => this.runBinaryGuarded(f, arg1, arg2));
       } else {
-        return dart.fn(((arg1, arg2) => this.runBinary(f, arg1, arg2)).bind(this));
+        return dart.fn((arg1, arg2) => this.runBinary(f, arg1, arg2));
       }
     }
     get(key) {