big update to observe, template_binding, polymer

pkg/polymer/lib/src/loader.dart

 // Copyright (c) 2013, 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 polymer;
 
 /** Annotation used to automatically register polymer elements. */
 class CustomTag {
   final String tagName;
   const CustomTag(this.tagName);
@@ skipping 29 matching lines @@
   _initPolymerOptimized();
   return Zone.current;
 }
 
 /**
  * Same as [initPolymer], but runs the version that is optimized for deployment
  * to the internet. The biggest difference is it omits the [Zone] that
  * automatically invokes [Observable.dirtyCheck], and the list of libraries must
  * be supplied instead of being dynamically searched for at runtime.
  */
-// TODO(jmesserly): change the Polymer build step to call this directly.
 void _initPolymerOptimized() {
+  // TODO(jmesserly): there is some code in src/declaration/polymer-element.js,
+  // git version 37eea00e13b9f86ab21c85a955585e8e4237e3d2, right before
+  // it registers polymer-element, which uses Platform.deliverDeclarations to
+  // coordinate with HTML Imports. I don't think we need it so skipping.
   document.register(PolymerDeclaration._TAG, PolymerDeclaration);
 
   _loadLibraries();
 
   // Run this after user code so they can add to Polymer.veiledElements
   _preventFlashOfUnstyledContent();
 
   customElementsReady.then((_) => Polymer._ready.complete());
 }
 
@@ skipping 162 matching lines @@
     print("warning: methods marked with @initMethod should take no "
         "arguments, ${method.simpleName} expects some.");
     return;
   }
   obj.invoke(method.simpleName, const []);
 }
 
 class _InitMethodAnnotation {
   const _InitMethodAnnotation();
 }