Revert "Register toString dynamic invocation in the presence of string interpolation."

tests/compiler/dart2js/resolver_test.dart

Index: tests/compiler/dart2js/resolver_test.dart
diff --git a/tests/compiler/dart2js/resolver_test.dart b/tests/compiler/dart2js/resolver_test.dart
index 629ddc061fe679719688493ecf61393f79e3a52a..b6044da86b667d5cab6eff2c330124f813c8201e 100644
--- a/tests/compiler/dart2js/resolver_test.dart
+++ b/tests/compiler/dart2js/resolver_test.dart
@@ -2,13 +2,10 @@
 // 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.
 
-#import('dart:uri');
-
 #import("../../../lib/compiler/implementation/leg.dart");
 #import("../../../lib/compiler/implementation/elements/elements.dart");
 #import("../../../lib/compiler/implementation/tree/tree.dart");
 #import("../../../lib/compiler/implementation/util/util.dart");
-#import("compiler_helper.dart");
 #import("mock_compiler.dart");
 #import("parser_helper.dart");
 
@@ -72,7 +69,6 @@ main() {
   testThis();
   testSuperCalls();
   testTypeVariables();
-  testToString();
 }
 
 testTypeVariables() {
@@ -722,18 +718,3 @@ List<String> asSortedStrings(Link link) {
   result.sort((s1, s2) => s1.compareTo(s2));
   return result;
 }
-
-testToString() {
-  Uri uri = new Uri.fromComponents(scheme: 'source');
-  MockCompiler compiler = compilerFor(
-      @"class C { toString() => 'C'; } main() { '${new C()}'; }",
-      uri);
-  compiler.runCompiler(uri);
-
-  Element toStringMethod = findElement(compiler, 'C')
-      .lookupLocalMember(buildSourceString('toString'));
-  Expect.isNotNull(toStringMethod);
-
-  Expect.isNotNull(
-      compiler.enqueuer.resolution.getCachedElements(toStringMethod));
-}