Report parser error if a class isn't terminated by }.

dart/tests/compiler/dart2js/parser_test.dart

Index: dart/tests/compiler/dart2js/parser_test.dart
diff --git a/dart/tests/compiler/dart2js/parser_test.dart b/dart/tests/compiler/dart2js/parser_test.dart
index 2bb1b49f1011159946eafcf56ff4edd40a50d41c..bb7817527c9de21372ab327159cfba44f4817a5e 100644
--- a/dart/tests/compiler/dart2js/parser_test.dart
+++ b/dart/tests/compiler/dart2js/parser_test.dart
@@ -293,6 +293,18 @@ void testMissingCloseParen() {
   Expect.throws(parse, check);
 }
 
+void testMissingCloseBraceInClass() {
+  final String source = 'class Foo {'; // Missing close '}'.
+  parse() {
+    fullParseUnit(source, diagnosticHandler: new Collector());
+  }
+  check(Collector c) {
+    Expect.equals(EOF_TOKEN, c.token);
+    return true;
+  }
+  Expect.throws(parse, check);
+}
+
 void main() {
   testGenericTypes();
   // TODO(ahe): Enable this test when we handle library prefixes.
@@ -308,4 +320,5 @@ void main() {
   testPostfix();
   testOperatorParse();
   testMissingCloseParen();
+  testMissingCloseBraceInClass();
 }