Revert "Encode super calls via extra properties on prototypes."

pkg/compiler/lib/src/js_emitter/old_emitter/container_builder.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of dart2js.js_emitter;
 
 /// This class should morph into something that makes it easy to build
 /// JavaScript representations of libraries, class-sides, and instance-sides.
 /// Initially, it is just a placeholder for code that is moved from
 /// [CodeEmitterTask].
@@ skipping 396 matching lines @@
         isClosure: isClosure,
         tearOffName: tearOffName,
         canBeReflected: canBeReflected,
         canBeApplied: canBeApplied,
         needStructuredInfo: needStructuredInfo);
 
   }
 
   void addMemberMethodFromInfo(MemberInfo info, ClassBuilder builder) {
     final FunctionElement member = info.member;
-    String name = info.name;
+    final String name = info.name;
     final FunctionSignature parameters = info.parameters;
     jsAst.Expression code = info.code;
     final bool needsStubs = info.needsStubs;
     final bool canTearOff = info.canTearOff;
     final bool isClosure = info.isClosure;
     final String tearOffName = info.tearOffName;
     final bool canBeReflected = info.canBeReflected;
     final bool canBeApplied = info.canBeApplied;
     final bool needStructuredInfo = info.needStructuredInfo;
 
     emitter.interceptorEmitter.recordMangledNameOfMemberMethod(member, name);
 
-    // If this member is called from a subclass via super, we have to add a
-    // renaming. This is encoded by using two names separated with a : as
-    // the property name.
-    if (backend.isAliasedSuperMember(member)) {
-      name = "$name:${namer.getNameOfAliasedSuperMember(member)}";
-    }
-
     if (!needStructuredInfo) {
       compiler.dumpInfoTask.registerElementAst(member,
           builder.addProperty(name, code));
       if (needsStubs) {
         addParameterStubs(
             member,
             (Selector selector, jsAst.Fun function) {
               compiler.dumpInfoTask.registerElementAst(member,
                   builder.addProperty(namer.invocationName(selector), function));
             });
@@ skipping 193 matching lines @@
     assert(code != null);
     assert(needsStubs != null);
     assert(canTearOff != null);
     assert(isClosure != null);
     assert(tearOffName != null || !canTearOff);
     assert(canBeReflected != null);
     assert(canBeApplied != null);
     assert(needStructuredInfo != null);
   }
 }