Allow external top-level getters and setters.

dart/lib/compiler/implementation/scanner/parser.dart

Index: dart/lib/compiler/implementation/scanner/parser.dart
diff --git a/dart/lib/compiler/implementation/scanner/parser.dart b/dart/lib/compiler/implementation/scanner/parser.dart
index 3ffe95749e9a7721d38f0638d1b1e4eedd3e9939..9139d10745f64835214eca4db35f5300fa4c38b6 100644
--- a/dart/lib/compiler/implementation/scanner/parser.dart
+++ b/dart/lib/compiler/implementation/scanner/parser.dart
@@ -558,9 +558,19 @@ class Parser {
       if ((value === '(') || (value === '{') || (value === '=>')) {
         isField = false;
         break;
-      } else if ((value === '=') || (value === ';') || (value === ',')) {
+      } else if ((value === '=') || (value === ',')) {
         isField = true;
         break;
+      } else if (value === ';') {
+        if (getOrSet != null) {
+          // If we found a "get" keyword, this must be an abstract
+          // getter.
+          isField = (getOrSet.stringValue !== 'get');
+          // TODO(ahe): This feels like a hack.
+        } else {
+          isField = true;
+        }
+        break;
       } else {
         token = listener.unexpected(token);
         if (token.kind === EOF_TOKEN) {