Revert r27592, some unit tests fail.

sdk/lib/_internal/compiler/implementation/resolved_visitor.dart

Index: sdk/lib/_internal/compiler/implementation/resolved_visitor.dart
===================================================================
--- sdk/lib/_internal/compiler/implementation/resolved_visitor.dart	(revision 27592)
+++ sdk/lib/_internal/compiler/implementation/resolved_visitor.dart	(working copy)
@@ -5,10 +5,9 @@
 part of dart2js;
 
 abstract class ResolvedVisitor<R> extends Visitor<R> {
-  final Compiler compiler;
   TreeElements elements;
 
-  ResolvedVisitor(this.elements, this.compiler);
+  ResolvedVisitor(this.elements);
 
   R visitSend(Send node) {
     Element element = elements[node];
@@ -27,8 +26,6 @@
       return visitStaticSend(node);
     } else if (Elements.isClosureSend(node, element)) {
       return visitClosureSend(node);
-    } else if (element == compiler.assertMethod) {
-      return visitAssert(node);
     } else {
       if (Elements.isUnresolved(element)) {
         if (element == null) {
@@ -62,7 +59,6 @@
   R visitDynamicSend(Send node);
   R visitStaticSend(Send node);
   R visitTypeReferenceSend(Send node);
-  R visitAssert(Send node);
 
   void internalError(String reason, {Node node});