Get dartdoc in the SDK and working correctly.

utils/dartdoc/client-shared.dart

-// Copyright (c) 2011, 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.
-
-// Code shared between the different client-side libraries.
-
-/**
- * Finds all code blocks and makes them toggleable. Syntax highlights each
- * code block the first time it's shown.
- */
-enableCodeBlocks() {
-  for (var elem in document.queryAll('.method, .field')) {
-    var showCode = elem.query('.show-code');
-
-    // Skip it if we don't have a code link. Will happen if source code is
-    // disabled.
-    if (showCode == null) continue;
-
-    var pre = elem.query('pre.source');
-    showCode.on.click.add((e) {
-      if (pre.classes.contains('expanded')) {
-        pre.classes.remove('expanded');
-      } else {
-        // Syntax highlight.
-        if (!pre.classes.contains('formatted')) {
-          pre.innerHTML = classifySource(new frog.SourceFile('', pre.text));
-          pre.classes.add('formatted');
-        };
-        pre.classes.add('expanded');
-      }
-    });
-  }
-}