Implement type variables on local function declarations and expressions.

pkg/front_end/lib/src/incremental/unlinked_unit.dart

Index: pkg/front_end/lib/src/incremental/unlinked_unit.dart
diff --git a/pkg/front_end/lib/src/incremental/unlinked_unit.dart b/pkg/front_end/lib/src/incremental/unlinked_unit.dart
index e074daff1e23b83f3a8da9e22d3f26af5fe1f5c6..503fb5968a9cc51aa4805d546d32695370b5e33b 100644
--- a/pkg/front_end/lib/src/incremental/unlinked_unit.dart
+++ b/pkg/front_end/lib/src/incremental/unlinked_unit.dart
@@ -110,13 +110,14 @@ class _BodySkippingParser extends Parser {
   _BodySkippingParser() : super(new Listener());
 
   @override
-  Token parseFunctionBody(Token token, bool isExpression, bool allowAbstract) {
+  Token parseFunctionBody(
+      Token token, bool ofFunctionExpression, bool allowAbstract) {
     if (identical('{', token.lexeme)) {
       Token close = skipBlock(token);
       bodyRanges.add(new _BodyRange(token.charOffset, close.charOffset));
-      return isExpression ? close.next : close;
+      return ofFunctionExpression ? close.next : close;
     }
-    return super.parseFunctionBody(token, isExpression, allowAbstract);
+    return super.parseFunctionBody(token, ofFunctionExpression, allowAbstract);
   }
 
   Token parseMixinApplicationRest(Token token) {