Issue 6971. Don't report error for using built-in identifier as part of parameterized type.

compiler/java/com/google/dart/compiler/resolver/ResolutionContext.java

Index: compiler/java/com/google/dart/compiler/resolver/ResolutionContext.java
diff --git a/compiler/java/com/google/dart/compiler/resolver/ResolutionContext.java b/compiler/java/com/google/dart/compiler/resolver/ResolutionContext.java
index cd7e2b1b9b2472aa9db0495b04218ff05cf6ec6a..b29e6bda5b7d7ae6f0f306b47aeb3d91d18fed75 100644
--- a/compiler/java/com/google/dart/compiler/resolver/ResolutionContext.java
+++ b/compiler/java/com/google/dart/compiler/resolver/ResolutionContext.java
@@ -203,7 +203,8 @@ public class ResolutionContext implements ResolutionErrorListener {
     // Built-in identifier can not be used as a type annotation.
     if (identifier instanceof DartIdentifier) {
       String name = ((DartIdentifier) identifier).getName();
-      if (DartParser.PSEUDO_KEYWORDS_SET.contains(name) && !"dynamic".equals(name)) {
+      if (DartParser.PSEUDO_KEYWORDS_SET.contains(name) && !"dynamic".equals(name)
+          && typeArguments.isEmpty()) {
         onError(identifier, ResolverErrorCode.BUILT_IN_IDENTIFIER_AS_TYPE, name);
         return Types.newDynamicType();
       }