Store the aliasName of a method in the model.

pkg/compiler/lib/src/js_emitter/model.dart

Index: pkg/compiler/lib/src/js_emitter/model.dart
diff --git a/pkg/compiler/lib/src/js_emitter/model.dart b/pkg/compiler/lib/src/js_emitter/model.dart
index 29b547c560d068814f71081f4704cff97a0d685c..f6d3e1b5200d626cecd5c4f68b12faa298ca1dce 100644
--- a/pkg/compiler/lib/src/js_emitter/model.dart
+++ b/pkg/compiler/lib/src/js_emitter/model.dart
@@ -316,7 +316,6 @@ class DartMethod extends Method {
   final String tearOffName;
   // TODO(herhut): Directly store stubs instead/
   final bool needsStubs;
-  // TODO(herhut): Directly store aliases instead.
   final bool canBeApplied;
 
   DartMethod(Element element, String name, js.Expression code,
@@ -330,14 +329,13 @@ class DartMethod extends Method {
 }
 
 class InstanceMethod extends DartMethod {
-  // TODO(herhut): Directly store aliases instead.
-  final bool hasSuperAlias;
+  final String aliasName;

[floitsch, 2015/01/29 15:24:35]

Add documentation what this is.
When does it happen?
What does the emitter need to do with it?

[herhut, 2015/02/03 10:20:16]

Done.

   final bool isClosure;
 
   InstanceMethod(element, name, code,
       {bool needsTearOff,
        String tearOffName,
-       this.hasSuperAlias,
+       this.aliasName,
        bool canBeApplied,
        this.isClosure,
        bool needsStubs})
@@ -346,7 +344,6 @@ class InstanceMethod extends DartMethod {
               tearOffName: tearOffName,
               canBeApplied: canBeApplied,
               needsStubs: needsStubs) {
-    assert(hasSuperAlias != null);
     assert(isClosure != null);
   }
 }