diff --git a/.bowerrc b/.bowerrc
new file mode 100644
index 0000000000..c8474bfbcd
--- /dev/null
+++ b/.bowerrc
@@ -0,0 +1,3 @@
+{
+  "directory": "bower_components/"
+}
diff --git a/.gitignore b/.gitignore
index 5e26662be8..a0d4c4078d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 packages/
 .buildlog
 node_modules
+bower_components
 .pub
 .DS_STORE
 
diff --git a/bower.json b/bower.json
new file mode 100644
index 0000000000..b98268f089
--- /dev/null
+++ b/bower.json
@@ -0,0 +1,7 @@
+{
+  "name": "angular2",
+  "version": "0.0.0",
+  "dependencies": {
+    "polymer": "dart-lang/polymer_js#0.8.0-preview"
+  }
+}
\ No newline at end of file
diff --git a/gulpfile.js b/gulpfile.js
index 0e9df73223..616cc23c34 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -215,7 +215,12 @@ var CONFIG = {
           [
             { src: 'node_modules/angular/angular.js', mimeType: 'text/javascript', copy: true },
             { src: 'tools/build/snippets/url_params_to_form.js', mimeType: 'text/javascript', copy: true }
-          ].concat(_HTML_DEFAULT_SCRIPTS_JS)
+          ].concat(_HTML_DEFAULT_SCRIPTS_JS),
+        'benchmarks_external/**/*polymer*/**':
+          [
+            { src: 'bower_components/polymer/lib/polymer.html', copyOnly: true },
+            { src: 'tools/build/snippets/url_params_to_form.js', mimeType: 'text/javascript', copy: true }
+          ]
       },
       dart: {
         '**': _HTML_DEFAULT_SCRIPTS_DART,
diff --git a/modules/benchmarks_external/e2e_test/polymer_tree_perf.es6 b/modules/benchmarks_external/e2e_test/polymer_tree_perf.es6
new file mode 100644
index 0000000000..d471010d8e
--- /dev/null
+++ b/modules/benchmarks_external/e2e_test/polymer_tree_perf.es6
@@ -0,0 +1,20 @@
+var perfUtil = require('angular2/src/test_lib/perf_util');
+
+describe('polymer tree benchmark', function () {
+
+  var URL = 'benchmarks_external/src/tree/polymer/index.html';
+
+  afterEach(perfUtil.verifyNoBrowserErrors);
+
+  it('should log the stats', function(done) {
+    perfUtil.runClickBenchmark({
+      url: URL,
+      buttons: ['#destroyDom', '#createDom'],
+      id: 'polymer.tree',
+      params: [{
+        name: 'depth', value: 9, scale: 'log2'
+      }]
+    }).then(done, done.fail);
+  });
+
+});
diff --git a/modules/benchmarks_external/src/index.html b/modules/benchmarks_external/src/index.html
index 8ab0defcbe..c159c7bbf2 100644
--- a/modules/benchmarks_external/src/index.html
+++ b/modules/benchmarks_external/src/index.html
@@ -8,6 +8,9 @@
     <li>
       <a href="tree/tree_benchmark.html">Tree benchmark</a>
     </li>
+    <li>
+      <a href="tree/polymer/index.html">Polymer Tree benchmark</a>
+    </li>
     <li>
       <a href="largetable/largetable_benchmark.html">Largetable benchmark</a>
     </li>
diff --git a/modules/benchmarks_external/src/tree/polymer/binary_tree.html b/modules/benchmarks_external/src/tree/polymer/binary_tree.html
new file mode 100644
index 0000000000..d1fc193fc4
--- /dev/null
+++ b/modules/benchmarks_external/src/tree/polymer/binary_tree.html
@@ -0,0 +1,43 @@
+<link rel="import" href="polymer.html">
+<dom-module id="binary-tree">
+  <template>
+    <span>
+      <span>{{data.value}}</span>
+      <!-- TODO(tbosch): use the builtin conditional template when it is available in Polymer 0.8 -->
+      <span id="leftTree"></span>
+      <span id="rightTree"></span>
+    </span>
+  </template>
+</dom-module>
+<script>
+  (function() {
+    Polymer({
+      is: 'binary-tree',
+      properties: {
+        data: Object
+      },
+      leftTree: null,
+      rightTree: null,
+      dataChanged: function() {
+        var data = this.data || {};
+        this._updateTree(data.left, 'leftTree');
+        this._updateTree(data.right, 'rightTree');
+      },
+      _updateTree: function(data, treeName) {
+        if (data) {
+          if (!this[treeName]) {
+            this[treeName] = document.createElement('binary-tree');
+          }
+          this[treeName].data = data;
+          this.$[treeName].appendChild(this[treeName]);
+        } else {
+          if (this[treeName]) this[treeName].remove();
+          this[treeName] = null;
+        }
+      },
+      bind: {
+        data: 'dataChanged'
+      }
+    });
+  })();
+</script>
diff --git a/modules/benchmarks_external/src/tree/polymer/index.html b/modules/benchmarks_external/src/tree/polymer/index.html
new file mode 100644
index 0000000000..2aba6179e0
--- /dev/null
+++ b/modules/benchmarks_external/src/tree/polymer/index.html
@@ -0,0 +1,28 @@
+<!doctype html>
+<html>
+<head>
+  <link rel="import" href="root_tree.html">
+</head>
+<body>
+
+<h2>TODO</h2>
+<ul>
+  <li>TODO: Does not use shadow DOM</li>
+  <li>TODO: Does not yet use builtin `if` construct as it uses a preview version of Polymer</li>
+</ul
+
+<h2>Params</h2>
+<form>
+  Depth:
+  <input type="number" name="depth" placeholder="depth" value="9">
+  <br>
+  <button>Apply</button>
+</form>
+
+<h2>Polymer JS 0.8-preview tree benchmark</h2>
+<root-tree></root-tree>
+
+$SCRIPTS$
+
+</body>
+</html>
diff --git a/modules/benchmarks_external/src/tree/polymer/root_tree.html b/modules/benchmarks_external/src/tree/polymer/root_tree.html
new file mode 100644
index 0000000000..cb4c436528
--- /dev/null
+++ b/modules/benchmarks_external/src/tree/polymer/root_tree.html
@@ -0,0 +1,49 @@
+<link rel="import" href="polymer.html">
+<link rel="import" href="binary_tree.html">
+
+<dom-module id="root-tree">
+  <template>
+    <div>
+      <button on-click="create" id="createDom">createDom</button>
+      <button on-click="destroy" id="destroyDom">destroyDom</button>
+    </div>
+    <div>
+      <binary-tree data="[[data]]"></binary-tree>
+    </div>
+  </template>
+</dom-module>
+<script type="application/javascript">
+  (function() {
+    var count = 0;
+    var depthInput = document.querySelector('input[name=depth]');
+    var match = /depth=(\w+)/.exec(decodeURIComponent(location.search));
+    if (match) {
+      depthInput.value = match[1];
+    }
+    var maxDepth = depthInput.valueAsNumber;
+    Polymer({
+      is: 'root-tree',
+      properties: {
+        data: Object
+      },
+      create: function() {
+        var values = count++ % 2 == 0 ?
+          ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '*'] :
+          ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', '-'];
+
+        this.data = this.buildTree(maxDepth, values, 0);
+      },
+      destroy: function() {
+        this.data = null;
+      },
+      buildTree: function(maxDepth, values, curDepth) {
+        if (maxDepth == curDepth) return {value: '', left: null, right: null};
+        return {
+          value: values[curDepth],
+          left: this.buildTree(maxDepth, values, curDepth+1),
+          right: this.buildTree(maxDepth, values, curDepth+1)
+        };
+      }
+    });
+  })();
+</script>
diff --git a/package.json b/package.json
index 1897aeae32..715265094c 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,8 @@
     "url": "https://github.com/angular/angular.git"
   },
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "postinstall": "./node_modules/.bin/bower install"
   },
   "dependencies": {
     "es6-module-loader": "^0.9.2",
diff --git a/protractor-dart2js.conf.js b/protractor-dart2js.conf.js
index 53066b7b4a..ba9e223554 100644
--- a/protractor-dart2js.conf.js
+++ b/protractor-dart2js.conf.js
@@ -6,7 +6,8 @@ config.baseUrl = 'http://localhost:8002/';
 config.exclude.push(
   'dist/js/cjs/examples/e2e_test/sourcemap/sourcemap_spec.js',
   // TODO: remove this line when largetable dart has been added
-  'dist/js/cjs/benchmarks_external/e2e_test/largetable_perf.js'
+  'dist/js/cjs/benchmarks_external/e2e_test/largetable_perf.js',
+  'dist/js/cjs/benchmarks_external/e2e_test/polymer_tree_perf.js'
 );
 
 data.createBenchpressRunner({ lang: 'dart' });
diff --git a/tools/build/html.js b/tools/build/html.js
index d41a2bf280..c3371d4a1f 100644
--- a/tools/build/html.js
+++ b/tools/build/html.js
@@ -17,7 +17,7 @@ module.exports = function(gulp, plugins, config) {
         var scripts = util.filterByFile(config.scriptsPerFolder, fileName).map(function(script) {
           var scriptTag;
           var scriptSrc = script.src;
-          if (script.copy) {
+          if (script.copy || script.copyOnly) {
             scriptSrc = path.basename(script.src);
             self.push(new VinylFile({
               cwd: file.cwd,
@@ -26,6 +26,9 @@ module.exports = function(gulp, plugins, config) {
               contents: fs.readFileSync(script.src)
             }));
           };
+          if (script.copyOnly) {
+            return '';
+          }
           if (scriptSrc) {
             scriptTag = '<script src="'+scriptSrc+'" type="'+script.mimeType+'"></script>';
           } else {