Convert HashMap and LinkedHashMap to closed addressing hash tables.

sdk/lib/json/json.dart

Index: sdk/lib/json/json.dart
diff --git a/sdk/lib/json/json.dart b/sdk/lib/json/json.dart
index 28d3df942349a81ac3d148dc970028750ebe6c3c..bccb03faacdcbbd1019b3e3bb5d97218e4a4da9c 100644
--- a/sdk/lib/json/json.dart
+++ b/sdk/lib/json/json.dart
@@ -502,7 +502,8 @@ class JsonParser {
       }
       char = source.codeUnitAt(position);
       if (char == QUOTE) {
-        listener.handleString(source.substring(start, position));
+        String result = source.substring(start, position);

[Søren Gjesse, 2013/08/14 07:45:07]

Why?

[Lasse Reichstein Nielsen, 2013/08/14 08:38:34]

Needed it for debugging at some point. 
I saw no reason to remove it again. Naming intermediates is good for readability
:)

+        listener.handleString(result);
         return position + 1;
       }
       if (char < SPACE) {