Import Polymer 0.8 and several key elements.

third_party/polymer/v0_8/components-chromium/polymer/polymer-mini-extracted.js

Index: third_party/polymer/v0_8/components-chromium/polymer/polymer-mini-extracted.js
diff --git a/third_party/polymer/v0_8/components-chromium/polymer/polymer-mini-extracted.js b/third_party/polymer/v0_8/components-chromium/polymer/polymer-mini-extracted.js
new file mode 100644
index 0000000000000000000000000000000000000000..6ec9644eed84120e491bdf5db96acbfdc5a29989
--- /dev/null
+++ b/third_party/polymer/v0_8/components-chromium/polymer/polymer-mini-extracted.js
@@ -0,0 +1,47 @@
+
+
+  Polymer.DomModule = document.createElement('dom-module');
+
+  Polymer.Base._addFeature({
+
+    _registerFeatures: function() {
+      // identity
+      this._prepIs();
+      // shared behaviors
+      this._prepBehaviors();
+      // inheritance
+      this._prepExtends();
+     // factory
+      this._prepConstructor();
+      // template
+      this._prepTemplate();
+      // dom encapsulation
+      this._prepShady();
+    },
+
+    _prepBehavior: function() {},
+
+    _initFeatures: function() {
+      // manage local dom
+      this._poolContent();
+      // host stack
+      this._pushHost();
+      // instantiate template
+      this._stampTemplate();
+      // host stack
+      this._popHost();
+      // setup debouncers
+      this._setupDebouncers();
+      // instance shared behaviors
+      this._marshalBehaviors();
+      // top-down initial distribution, configuration, & ready callback
+      this._tryReady();
+    },
+
+    _marshalBehavior: function(b) {
+      // publish attributes to instance
+      this._installHostAttributes(b.hostAttributes);
+    }
+
+  });
+