Fix for parsing qualified type in for-in

compiler/javatests/com/google/dart/compiler/parser/NegativeParserTest.java

 // Copyright (c) 2012, 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.
 package com.google.dart.compiler.parser;
 
 import com.google.common.base.Joiner;
 import com.google.dart.compiler.CompilerTestCase;
 import com.google.dart.compiler.ast.DartIdentifier;
 import com.google.dart.compiler.ast.DartMethodDefinition;
 import com.google.dart.compiler.ast.DartNode;
@@ skipping 749 matching lines @@
   public void test_native_onlyCoreLib_method() {
     parseExpectErrors(
         Joiner.on("\n").join(
             "// filler filler filler filler filler filler filler filler filler filler",
             "class A {",
             "  factory A() native;",
             "}",
             ""),
         errEx(ParserErrorCode.NATIVE_ONLY_CORE_LIB, 3, 15, 6));
   }
+  
+  public void test_qualifiedType_inForIn() {
+    parseExpectErrors(Joiner.on("\n").join(
+        "// filler filler filler filler filler filler filler filler filler filler",
+        "foo() {",
+        "  for (pref.A a in elements) {",
+        "  }",
+        "}",
+        ""));
+  }
 }