Making almost all dom_ methods private. Exceptions will be addressed in a later CL.

tools/dom/templates/html/impl/impl_Storage.darttemplate

 // Copyright (c) 2012, 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.
 
 part of $LIBRARYNAME;
 
 /**
  * The type used by the
  * [Window.localStorage] and [Window.sessionStorage] properties.
  * Storage is implemented as a Map<String, String>.
@@ skipping 17 matching lines @@
  * For details on using the Map API, see the
  * [Maps](http://www.dartlang.org/docs/library-tour/#maps-aka-dictionaries-or-hashes)
  * section of the library tour.
  */
 $(ANNOTATIONS)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS
     implements Map<String, String> $NATIVESPEC {
 
   // TODO(nweiz): update this when maps support lazy iteration
   bool containsValue(String value) => values.any((e) => e == value);
 
-  bool containsKey(String key) => $dom_getItem(key) != null;
+  bool containsKey(String key) => _getItem(key) != null;
 
-  String operator [](String key) => $dom_getItem(key);
+  String operator [](String key) => _getItem(key);
 
-  void operator []=(String key, String value) { $dom_setItem(key, value); }
+  void operator []=(String key, String value) { _setItem(key, value); }
 
   String putIfAbsent(String key, String ifAbsent()) {
     if (!containsKey(key)) this[key] = ifAbsent();
     return this[key];
   }
 
   String remove(String key) {
     final value = this[key];
-    $dom_removeItem(key);
+    _removeItem(key);
     return value;
   }
 
-  void clear() => $dom_clear();
+  void clear() => _clear();
 
   void forEach(void f(String key, String value)) {
     for (var i = 0; true; i++) {
-      final key = $dom_key(i);
+      final key = _key(i);
       if (key == null) return;
 
       f(key, this[key]);
     }
   }
 
   Iterable<String> get keys {
     final keys = [];
     forEach((k, v) => keys.add(k));
     return keys;
   }
 
   Iterable<String> get values {
     final values = [];
     forEach((k, v) => values.add(v));
     return values;
   }
 
-  int get length => $dom_length;
+  int get length => _length;
 
-  bool get isEmpty => $dom_key(0) == null;
+  bool get isEmpty => _key(0) == null;
 
   bool get isNotEmpty => !isEmpty;
 $!MEMBERS
 }