Revert "Add optional message to assert in Dart2js - continued"

pkg/compiler/lib/src/inferrer/simple_types_inferrer.dart

Index: pkg/compiler/lib/src/inferrer/simple_types_inferrer.dart
diff --git a/pkg/compiler/lib/src/inferrer/simple_types_inferrer.dart b/pkg/compiler/lib/src/inferrer/simple_types_inferrer.dart
index 661573ebf1365d1e2c94420bf998d708b534197d..7d3f665ef16a4281e2364fb73e506876acf8f133 100644
--- a/pkg/compiler/lib/src/inferrer/simple_types_inferrer.dart
+++ b/pkg/compiler/lib/src/inferrer/simple_types_inferrer.dart
@@ -1574,6 +1574,20 @@ class SimpleTypeInferrerVisitor<T>
   }
 
   @override
+  T handleAssert(ast.Send node, ast.Node expression) {
+    js.JavaScriptBackend backend = compiler.backend;
+    Element element = backend.assertMethod;
+    ArgumentsTypes<T> arguments =
+        new ArgumentsTypes<T>(<T>[expression.accept(this)], null);
+    return handleStaticSend(
+        node,
+        new Selector.fromElement(element),
+        null,
+        element,
+        arguments);
+  }
+
+  @override
   T handleTypeLiteralInvoke(ast.NodeList arguments) {
     // This is reached when users forget to put a `new` in front of a type
     // literal. The emitter will generate an actual call (even though it is