more compatibility.

polymer.html

@@ -20,21 +20,25 @@
 		}
 	})();
 	</script>
-	<script src="src/platform/compat.js"></script>
-	<script src="src/platform/microtask.js"></script>
-	<script src="src/platform/module.js"></script>
-	<script src="src/platform/unresolved.js"></script>
+	<script src="src/system/compat.js"></script>
 	<script src="../HTMLImports/src/base.js"></script>
+	<script src="src/system/module.js"></script>
+	<script src="src/system/unresolved.js"></script>
 
 	<!-- move from Platform to polymer! -->
-	<script src="src/platform/url.js"></script>
-	<script src="src/platform/loader.js"></script>
-	<script src="src/platform/styleloader.js"></script>
+	<script src="src/system/microtask.js"></script>
+	<script src="src/system/url.js"></script>
+	<script src="src/system/loader.js"></script>
+	<script src="src/system/styleloader.js"></script>
 	<script src="../observe-js/src/observe.js"></script>
 	<script src="../NodeBind/src/NodeBind.js"></script>
 	<script src="../TemplateBinding/src/TemplateBinding.js"></script>
+	<script src="src/system/patches-mdv.js"></script>
+
 </scripts>
 
+
+
 <script src="src/lib/lang.js"></script>
 <script src="src/lib/job.js"></script>
 <script src="src/lib/dom.js"></script>

src/platform/compat.js → src/system/compat.js

@@ -12,6 +12,8 @@
 	with the polyfills, we stub out minimal functionality.
  */
 if (!window.Platfrom) {
+  logFlags = window.logFlags || {};
+
 
   Platform = {
   	flush: function() {}

src/system/patches-mdv.js

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ * Code distributed by Google as part of the polymer project is also
+ * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+ */
+
+(function(scope) {
+
+// inject style sheet
+var style = document.createElement('style');
+style.textContent = 'template {display: none !important;} /* injected by platform.js */';
+var head = document.querySelector('head');
+head.insertBefore(style, head.firstChild);
+
+// flush (with logging)
+var flushing;
+function flush() {
+  if (!flushing) {
+    flushing = true;
+    scope.endOfMicrotask(function() {
+      flushing = false;
+      logFlags.data && console.group('Platform.flush()');
+      scope.performMicrotaskCheckpoint();
+      logFlags.data && console.groupEnd();
+    });
+  }
+};
+
+// polling dirty checker
+// flush periodically if platform does not have object observe.
+if (!Observer.hasObjectObserve) {
+  var FLUSH_POLL_INTERVAL = 125;
+  window.addEventListener('WebComponentsReady', function() {
+    flush();
+    scope.flushPoll = setInterval(flush, FLUSH_POLL_INTERVAL);
+  });
+} else {
+  // make flush a no-op when we have Object.observe
+  flush = function() {};
+}
+
+if (window.CustomElements && !CustomElements.useNative) {
+  var originalImportNode = Document.prototype.importNode;
+  Document.prototype.importNode = function(node, deep) {
+    var imported = originalImportNode.call(this, node, deep);
+    CustomElements.upgradeAll(imported);
+    return imported;
+  }
+}
+
+// exports
+scope.flush = flush;
+
+})(window.Platform);
+

src/platform/unresolved.js → src/system/unresolved.js

@@ -15,7 +15,6 @@
   // It would make sense to put inside some HTMLImport but 
   // the HTMLImports polyfill does not allow loading of stylesheets 
   // that block rendering. Therefore this injection is tolerated here.
-
   var style = document.createElement('style');
   style.textContent = ''
       + 'body {'