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

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

 // 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.
 
 part of $LIBRARYNAME;
 
 $(ANNOTATIONS)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
   factory $CLASSNAME() => document.createDocumentFragment();
 
   factory $CLASSNAME.html(String html) {
@@ skipping 28 matching lines @@
   }
 
   void set children(List<Element> value) {
     // Copy list first since we don't want liveness during iteration.
     List copy = new List.from(value);
     var children = this.children;
     children.clear();
     children.addAll(copy);
   }
 
-  Element query(String selectors) => $dom_querySelector(selectors);
+  Element query(String selectors) => _querySelector(selectors);
 
   List<Element> queryAll(String selectors) =>
-    new _FrozenElementList._wrap($dom_querySelectorAll(selectors));
+    new _FrozenElementList._wrap(_querySelectorAll(selectors));
 
   String get innerHtml {
     final e = new Element.tag("div");
     e.append(this.clone(true));
     return e.innerHtml;
   }
 
   // TODO(nweiz): Do we want to support some variant of innerHtml for XML and/or
   // SVG strings?
   void set innerHtml(String value) {
@@ skipping 19 matching lines @@
   /**
    * Parses the specified text as HTML and adds the resulting node after the
    * last child of this document fragment.
    */
   void appendHtml(String text) {
     this.append(new DocumentFragment.html(text));
   }
 
 $!MEMBERS
 }