Implement removal of overridden instance methods.

dart/tests/try/web/incremental_compilation_update_test.dart

 // Copyright (c) 2014, 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.
 
 library trydart.incremental_compilation_update_test;
 
 import 'dart:html';
 
 import 'dart:async' show
     Future;
@@ skipping 179 matching lines @@
 var closure;
 main() {
   if (closure == null) {
     closure = new C().m;
   }
   closure();
 }
 """,
             const <String> ['v2']),
     ],
+
+//     // Test that deleting an instance method works.

[Johnni Winther, 2014/11/13 10:33:40]

Why is this section commented out.

[ahe, 2014/11/13 11:07:46]

Because I don't yet remove the instance method. That is implemented in
https://codereview.chromium.org/714843002 which also comments out this test.

+//     const <ProgramResult>[
+//         const ProgramResult(
+//             """
+// class C {
+//   m() {
+//     print('v1');
+//   }
+// }
+// var instance;
+// main() {
+//   if (instance == null) {
+//     instance = new C();
+//   }
+//   try {
+//     instance.m();
+//   } catch (e) {
+//     print('v2');
+//   }
+// }
+// """,
+//             const <String> ['v1']),
+//         const ProgramResult(
+//             """
+// class C {
+// }
+// var instance;
+// main() {
+//   if (instance == null) {
+//     instance = new C();
+//   }
+//   try {
+//     instance.m();
+//   } catch (e) {
+//     print('v2');
+//   }
+// }
+// """,
+//             const <String> ['v2']),
+//     ],
+
+    // Test that deleting an instance method works, even when accessed through
+    // super.
+    const <ProgramResult>[
+        const ProgramResult(
+            """
+class A {
+  m() {
+    print('v2');
+  }
+}
+class B extends A {
+  m() {
+    print('v1');
+  }
+}
+class C extends B {
+  m() {
+    super.m();
+  }
+}
+var instance;
+main() {
+  if (instance == null) {
+    instance = new C();
+  }
+  instance.m();
+}
+""",
+            const <String> ['v1']),
+        const ProgramResult(
+            """
+class A {
+  m() {
+    print('v2');
+  }
+}
+class B extends A {
+}
+class C extends B {
+  m() {
+    super.m();
+  }
+}
+var instance;
+main() {
+  if (instance == null) {
+    instance = new C();
+  }
+  instance.m();
+}
+""",
+            const <String> ['v2']),
+    ],
+
 ];
 
 void main() {
   listener.start();
 
   return asyncTest(() => Future.forEach(tests, compileAndRun));
 }
 
 Future compileAndRun(List<ProgramResult> programs) {
   var status = new DivElement();
@@ skipping 51 matching lines @@
 
 void logger(x) {
   print(x);
   bool isCheckedMode = false;
   assert(isCheckedMode = true);
   int timeout = isCheckedMode ? TIMEOUT * 2 : TIMEOUT;
   if (listener.elapsed > timeout) {
     throw 'Test timed out.';
   }
 }