Add swipe_to_dismiss and stress_hidey_bars to Silk benchmark

This CL adds two tests to the Silk benchmark:

1) swipe_to_dismiss.  In this effect, a message is dismissed from the inbox by
   swiping it to the left.

2) stress_hidey_bars.  In this effect, the messages pane is scrolled down, up,
   and then down again, which provokes the hidey bars to hide, appear, and
   then hide again.

I've also updated inbox_app.html to the latest version. For some reason, the
slide_drawer test is broken with the new verision of the app. I've left an
old_inbox_app.html for that test case, but we should investigate why the test
case doesn't work with the new code.

R=nduca@chromium.org
BUG=332439

Review URL: https://codereview.chromium.org/132183003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244087 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 2848 insertions, 9 deletions

diff --git a/tools/perf/page_sets/key_silk_cases.json b/tools/perf/page_sets/key_silk_cases.json
index 498f12a..cecd53f 100644
--- a/tools/perf/page_sets/key_silk_cases.json
+++ b/tools/perf/page_sets/key_silk_cases.json
@@ -136,6 +136,59 @@
       "smoothness": { "action": "wait", "seconds": 5 }
     },
     {
+      "url": "file://key_silk_cases/inbox_app.html?swipe_to_dismiss",
+      "navigate_steps" : [
+        { "action": "navigate" },
+        { "action": "wait", "seconds": 2 }
+      ],
+      "smoothness": {
+        "action": "swipe_to_dismiss"
+      },
+      "swipe_to_dismiss": [
+        {
+          "action": "swipe",
+          "element_function": "function(callback) { callback(document.getElementsByClassName('message')[2]); }",
+          "distance": 200,
+          "direction": "left",
+          "left_start_percentage": 0.8,
+          "top_start_percentage": 0.2,
+          "wait_after": {
+            "javascript": "document.getElementsByClassName('message').length < 18"
+          }
+        }
+      ]
+    },
+    {
+      "url": "file://key_silk_cases/inbox_app.html?stress_hidey_bars",
+      "navigate_steps" : [
+        { "action": "navigate" },
+        { "action": "wait", "seconds": 2 }
+      ],
+      "smoothness": {
+        "action": "stress_hidey_bars"
+      },
+      "stress_hidey_bars": [
+        {
+          "action": "scroll",
+          "scrollable_element_function": "function(callback) { callback(document.getElementById('messages')); }",
+          "direction": "down",
+          "speed": 200
+        },
+        {
+          "action": "scroll",
+          "scrollable_element_function": "function(callback) { callback(document.getElementById('messages')); }",
+          "direction": "up",
+          "speed": 200
+        },
+        {
+          "action": "scroll",
+          "scrollable_element_function": "function(callback) { callback(document.getElementById('messages')); }",
+          "direction": "down",
+          "speed": 200
+        }
+      ]
+    },
+    {
       "url": "file://key_silk_cases/inbox_app.html?toggle_drawer",
       "navigate_steps" : [
         { "action": "navigate" },
@@ -154,7 +207,7 @@
       ]
     },
     {
-      "url": "file://key_silk_cases/inbox_app.html?slide_drawer",
+      "url": "file://key_silk_cases/old_inbox_app.html?slide_drawer",
       "navigate_steps" : [
         { "action": "navigate" },
         { "action": "wait", "seconds": 2 }
diff --git a/tools/perf/page_sets/key_silk_cases/inbox_app.html b/tools/perf/page_sets/key_silk_cases/inbox_app.html
index 55607b7..bbb569b 100644
--- a/tools/perf/page_sets/key_silk_cases/inbox_app.html
+++ b/tools/perf/page_sets/key_silk_cases/inbox_app.html
@@ -91,6 +91,14 @@ Polymer={},"function"==typeof window.Polymer&&(Polymer={}),function(a){function
 
 (function(exports) {
 
+function sign(number) {
+    if (number < 0)
+        return -1;
+    if (number > 0)
+        return 1;
+    return 0;
+}
+
 function Animator(delegate) {
     this.delegate = delegate;
     this.startTimeStamp = 0;
@@ -563,8 +571,39 @@ DismissController.prototype.onAnimation = function(timeStamp) {
     return false;
 };
 
+function ScrollAreaToolbarController(options) {
+    this.moveCallback = options.onMove;
+    this.target = options.target;
+    this.scrollArea = options.scrollArea;
+
+    this.scrollArea.addEventListener("scroll", this.onScroll.bind(this));
+    this.scrollBase = 0;
+    this.previousScrollTop = 0;
+};
+
+ScrollAreaToolbarController.prototype.restrictToBounds = function(position) {
+    return Math.min(Math.max(position, 0), this.height);
+};
+
+ScrollAreaToolbarController.prototype.onScroll = function(e) {
+    if (!this.height)
+        this.height = this.target.offsetHeight;
+
+    var scrollTop = this.scrollArea.scrollTop;
+    var scrollDelta = scrollTop - this.scrollBase;
+    var scrollDeltaFromPrevious = scrollTop - this.previousScrollTop;
+    this.previousScrollTop = scrollTop;
+    var position = this.restrictToBounds(scrollDelta, 0);
+
+    if (sign(scrollDelta) != sign(scrollDeltaFromPrevious))
+        this.scrollBase = scrollTop - position;
+
+    this.moveCallback.call(this.target, position);
+};
+
 exports.DrawerController = DrawerController;
 exports.DismissController = DismissController;
+exports.ScrollAreaToolbarController = ScrollAreaToolbarController;
 
 })(window);
 </script>
@@ -603,11 +642,14 @@ body {
     <style>
       :host {
         position: relative;
-        overflow-x: hidden;
-        overflow-y: auto;
+        overflow: hidden;
         display: flex;
         flex-direction: column;
         flex: 1;
+        flex-shrink: 0;
+      }
+      :host([scrollable]) {
+        overflow-y: auto;
       }
     </style>
     <content></content>
@@ -642,7 +684,7 @@ body {
         -webkit-transform: translate3d(0,0,0);
       }
     </style>
-    <div id="mask"></div>
+    <div id="mask" on-tap="{{ toggle }}"></div>
     <div id="content">
       <content></content>
     </div>
@@ -712,6 +754,50 @@ body {
     });
   </script>
 </polymer-element>
+<polymer-element name="app-scrollarea-toolbar" attributes="location for" assetpath="/">
+  <template>
+    <style>
+      :host {
+        display: block;
+        position: absolute;
+        left: 0;
+        right: 0;
+        -webkit-transform: translate3d(0,0,0);
+        flex-shrink: 0;
+      }
+    </style>
+    <content></content>
+  </template>
+  <script>
+    function findParentTreeScope(node) {
+      while(node.parentNode)
+        node = node.parentNode;
+      return node;
+    }
+
+    Polymer('app-scrollarea-toolbar', {
+      'for': null,
+      location: 'top',
+      enteredView: function() {
+        if (this.location == 'top')
+          this.style.top = 0;
+        else
+          this.style.bottom = 0;
+
+        var scrollArea = findParentTreeScope(this).getElementById(this['for']);
+
+        this.controller = new ScrollAreaToolbarController({
+          target: this,
+          scrollArea: scrollArea,
+          onMove: function(position) {
+            var translateY = this.location == 'top' ? -position : position;
+            this.style.WebkitTransform = 'translate3d(0,' + translateY +'px,0)';
+          },
+        });
+      },
+    });
+  </script>
+</polymer-element>
 
 <!--
 Copyright 2013 The Polymer Authors. All rights reserved.
@@ -2608,7 +2694,7 @@ polymer-ui-icon {
         background-color: white;
         border-bottom: 1px solid lightgray;
       }
-      .messages {
+      #messages {
         background-color: darkgrey;
       }
     </style>
@@ -2622,6 +2708,40 @@ polymer-ui-icon {
         <polymer-ui-icon-button icon="add"></polymer-ui-icon-button>
       </polymer-ui-toolbar>
       <app-column>
+        <app-column id="messages" scrollable="">
+          <app-dismissable-item class="message">Lorem ipsum 1</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 2</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 3</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 4</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 5</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 6</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 7</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 8</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 9</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 10</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 11</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 12</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 13</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 14</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 15</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 16</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 17</app-dismissable-item>
+          <app-dismissable-item class="message">Lorem ipsum 18</app-dismissable-item>
+        </app-column>
+        <app-scrollarea-toolbar for="messages">
+          <polymer-ui-toolbar theme="polymer-ui-dark-theme">
+            <polymer-ui-icon-button icon="add" flex=""></polymer-ui-icon-button>
+            <polymer-ui-icon-button icon="sort" flex=""></polymer-ui-icon-button>
+            <polymer-ui-icon-button icon="gplus" flex=""></polymer-ui-icon-button>
+          </polymer-ui-toolbar>
+        </app-scrollarea-toolbar>
+        <app-scrollarea-toolbar for="messages" location="bottom">
+          <polymer-ui-toolbar theme="polymer-ui-dark-theme">
+            <polymer-ui-icon-button icon="add" flex=""></polymer-ui-icon-button>
+            <polymer-ui-icon-button icon="sort" flex=""></polymer-ui-icon-button>
+            <polymer-ui-icon-button icon="gplus" flex=""></polymer-ui-icon-button>
+          </polymer-ui-toolbar>
+        </app-scrollarea-toolbar>
         <app-drawer id="nav-drawer">
           <polymer-ui-menu selected="0" theme="polymer-ui-light-theme" active="false">
             <polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>
@@ -2657,10 +2777,7 @@ polymer-ui-icon {
       </app-column>
     </app-frame>
     <script>
-      document.addEventListener('WebComponentsReady', function() {
-        document.getElementById('nav-drawer').toggle();
-      });
-
+      // document.addEventListener('WebComponentsReady', function() {
       document.getElementById('menu-button').addEventListener('click', function() {
         document.getElementById('nav-drawer').toggle();
       });
diff --git a/tools/perf/page_sets/key_silk_cases/old_inbox_app.html b/tools/perf/page_sets/key_silk_cases/old_inbox_app.html
new file mode 100644
index 0000000..55607b7
--- /dev/null
+++ b/tools/perf/page_sets/key_silk_cases/old_inbox_app.html
@@ -0,0 +1,2669 @@
+<!doctype html>
+<!--
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+-->
+<html>
+  <head>
+    <title>app-widgets</title>
+    <script>// Copyright (c) 2012 The Polymer Authors. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+function PointerGestureEvent(a,b){var c=b||{},d=document.createEvent("Event"),e={bubbles:Boolean(c.bubbles)===c.bubbles||!0,cancelable:Boolean(c.cancelable)===c.cancelable||!0};d.initEvent(a,e.bubbles,e.cancelable);for(var f,g=Object.keys(c),h=0;h<g.length;h++)f=g[h],d[f]=c[f];return d.preventTap=this.preventTap,d}"undefined"==typeof WeakMap&&!function(){var a=Object.defineProperty,b=Date.now()%1e9,c=function(){this.name="__st"+(1e9*Math.random()>>>0)+(b++ +"__")};c.prototype={set:function(b,c){var d=b[this.name];d&&d[0]===b?d[1]=c:a(b,this.name,{value:[b,c],writable:!0})},get:function(a){var b;return(b=a[this.name])&&b[0]===a?b[1]:void 0},"delete":function(a){this.set(a,void 0)}},window.WeakMap=c}(),function(a){"use strict";function b(){function a(a){b=a}if("function"!=typeof Object.observe||"function"!=typeof Array.observe)return!1;var b=[],c={};if(Object.observe(c,a),c.id=1,c.id=2,delete c.id,Object.deliverChangeRecords(a),3!==b.length)return!1;if("new"==b[0].type&&"updated"==b[1].type&&"deleted"==b[2].type)F="new",G="updated",H="reconfigured",I="deleted";else if("add"!=b[0].type||"update"!=b[1].type||"delete"!=b[2].type)return console.error("Unexpected change record names for Object.observe. 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+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
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+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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+//# sourceMappingURL=polymer.js.map</script>
+<!-- <link rel="import" href="../polymer-dev/polymer.html"> -->
+<!DOCTYPE html>
+
+<script>"use strict";
+
+(function(exports) {
+
+function Animator(delegate) {
+    this.delegate = delegate;
+    this.startTimeStamp = 0;
+    this.request_ = null;
+};
+
+Animator.prototype.scheduleAnimation_ = function() {
+    if (this.request_)
+        return;
+    this.request_ = requestAnimationFrame(this.onAnimation_.bind(this));
+};
+
+Animator.prototype.startAnimation = function() {
+    this.startTimeStamp = 0;
+    this.scheduleAnimation_();
+};
+
+Animator.prototype.stopAnimation = function() {
+    cancelAnimationFrame(this.request_);
+    this.startTimeStamp = 0;
+    this.request_ = null;
+};
+
+Animator.prototype.onAnimation_ = function(timeStamp) {
+    this.request_ = null;
+    if (!this.startTimeStamp)
+        this.startTimeStamp = timeStamp;
+    if (this.delegate.onAnimation(timeStamp))
+        this.scheduleAnimation_();
+};
+
+function VelocityTracker() {
+    this.recentTouchMoves_ = [];
+    this.velocityX = 0;
+    this.velocityY = 0;
+}
+
+VelocityTracker.kTimeWindow = 50;
+
+VelocityTracker.prototype.pruneHistory_ = function(timeStamp) {
+    for (var i = 0; i < this.recentTouchMoves_.length; ++i) {
+        if (this.recentTouchMoves_[i].timeStamp > timeStamp - VelocityTracker.kTimeWindow) {
+            this.recentTouchMoves_ = this.recentTouchMoves_.slice(i);
+            return;
+        }
+    }
+    // All touchmoves are old.
+    this.recentTouchMoves_ = [];
+};
+
+VelocityTracker.prototype.update_ = function(e) {
+    this.pruneHistory_(e.timeStamp);
+    this.recentTouchMoves_.push(e);
+
+    var oldestTouchMove = this.recentTouchMoves_[0];
+
+    var deltaX = e.changedTouches[0].clientX - oldestTouchMove.changedTouches[0].clientX;
+    var deltaY = e.changedTouches[0].clientY - oldestTouchMove.changedTouches[0].clientY;
+    var deltaT = e.timeStamp - oldestTouchMove.timeStamp;
+
+    if (deltaT > 0) {
+        this.velocityX = deltaX / deltaT;
+        this.velocityY = deltaY / deltaT;
+    } else {
+        this.velocityX = 0;
+        this.velocityY = 0;
+    }
+};
+
+VelocityTracker.prototype.onTouchStart = function(e) {
+    this.recentTouchMoves_.push(e);
+    this.velocityX = 0;
+    this.velocityY = 0;
+};
+
+VelocityTracker.prototype.onTouchMove = function(e) {
+    this.update_(e);
+};
+
+VelocityTracker.prototype.onTouchEnd = function(e) {
+    this.update_(e);
+    this.recentTouchMoves_ = [];
+};
+
+function LinearTimingFunction() {
+};
+
+LinearTimingFunction.prototype.scaleTime = function(fraction) {
+  return fraction;
+};
+
+function CubicBezierTimingFunction(spec) {
+  this.map = [];
+  for (var ii = 0; ii <= 100; ii += 1) {
+    var i = ii / 100;
+    this.map.push([
+      3 * i * (1 - i) * (1 - i) * spec[0] +
+          3 * i * i * (1 - i) * spec[2] + i * i * i,
+      3 * i * (1 - i) * (1 - i) * spec[1] +
+          3 * i * i * (1 - i) * spec[3] + i * i * i
+    ]);
+  }
+};
+
+CubicBezierTimingFunction.prototype.scaleTime = function(fraction) {
+  var fst = 0;
+  while (fst !== 100 && fraction > this.map[fst][0]) {
+    fst += 1;
+  }
+  if (fraction === this.map[fst][0] || fst === 0) {
+    return this.map[fst][1];
+  }
+  var yDiff = this.map[fst][1] - this.map[fst - 1][1];
+  var xDiff = this.map[fst][0] - this.map[fst - 1][0];
+  var p = (fraction - this.map[fst - 1][0]) / xDiff;
+  return this.map[fst - 1][1] + p * yDiff;
+};
+
+var presetTimingFunctions = {
+  'linear': new LinearTimingFunction(),
+  'ease': new CubicBezierTimingFunction([0.25, 0.1, 0.25, 1.0]),
+  'ease-in': new CubicBezierTimingFunction([0.42, 0, 1.0, 1.0]),
+  'ease-out': new CubicBezierTimingFunction([0, 0, 0.58, 1.0]),
+  'ease-in-out': new CubicBezierTimingFunction([0.42, 0, 0.58, 1.0]),
+};
+
+function DrawerController(options) {
+    this.velocityTracker = new VelocityTracker();
+    this.animator = new Animator(this);
+
+    this.target = options.target;
+    this.left = options.left;
+    this.right = options.right;
+    this.position = options.position;
+
+    this.width = this.right - this.left;
+    this.curve = presetTimingFunctions[options.curve || 'linear'];
+
+    this.willOpenCallback = options.willOpen;
+    this.didCloseCallback = options.didClose;
+    this.animateCallback = options.onAnimate;
+
+    this.state = DrawerController.kClosed;
+
+    this.defaultAnimationSpeed = (this.right - this.left) / DrawerController.kBaseSettleDurationMS;
+
+    this.onTouchMove = this.onTouchMove.bind(this);
+    this.onTouchEnd = this.onTouchEnd.bind(this);
+
+    this.target.addEventListener('touchstart', this.onTouchStart.bind(this));
+}
+
+DrawerController.kOpened = 'opened';
+DrawerController.kClosed = 'closed';
+DrawerController.kOpening = 'opening';
+DrawerController.kClosing = 'closing';
+DrawerController.kDragging = 'dragging';
+DrawerController.kFlinging = 'flinging';
+
+DrawerController.kBaseSettleDurationMS = 246;
+DrawerController.kMaxSettleDurationMS = 600;
+
+DrawerController.kMinFlingVelocity = 0.4;  // Matches Android framework.
+DrawerController.kTouchSlop = 5;  // Matches Android framework.
+DrawerController.kTouchSlopSquare = DrawerController.kTouchSlop * DrawerController.kTouchSlop;
+
+DrawerController.prototype.restrictToCurrent = function(offset) {
+    return Math.max(this.left, Math.min(this.position, offset));
+};
+
+DrawerController.prototype.restrictToBounds = function(offset) {
+    return Math.max(this.left, Math.min(this.right, offset));
+};
+
+DrawerController.prototype.onTouchStart = function(e) {
+    this.velocityTracker.onTouchStart(e);
+
+    var touchX = e.changedTouches[0].clientX;
+    var touchY = e.changedTouches[0].clientY;
+
+    if (this.state != DrawerController.kOpened) {
+        if (touchX != this.restrictToCurrent(touchX))
+            return;
+        this.state = DrawerController.kDragging;
+    }
+
+    this.animator.stopAnimation();
+    this.target.addEventListener('touchmove', this.onTouchMove);
+    this.target.addEventListener('touchend', this.onTouchEnd);
+    // TODO(abarth): Handle touchcancel.
+
+    this.startX = touchX;
+    this.startY = touchY;
+    this.startPosition = this.position;
+    this.touchBaseX = Math.min(touchX, this.startPosition);
+};
+
+DrawerController.prototype.onTouchMove = function(e) {
+    this.velocityTracker.onTouchMove(e);
+
+    if (this.state == DrawerController.kOpened) {
+        var deltaX = e.changedTouches[0].clientX - this.startX;
+        var deltaY = e.changedTouches[0].clientY - this.startY;
+
+        if (deltaX * deltaX + deltaY * deltaY < DrawerController.kTouchSlopSquare) {
+            e.preventDefault();
+            return;
+        }
+
+        if (Math.abs(deltaY) > Math.abs(deltaX)) {
+            this.target.removeEventListener('touchmove', this.onTouchMove);
+            this.target.removeEventListener('touchend', this.onTouchEnd);
+            return;
+        }
+
+        this.state = DrawerController.kDragging;
+    }
+
+    e.preventDefault();
+    var touchDeltaX = e.changedTouches[0].clientX - this.touchBaseX;
+    this.position = this.restrictToBounds(this.startPosition + touchDeltaX);
+    this.animateCallback.call(this.target, this.position);
+};
+
+DrawerController.prototype.onTouchEnd = function(e) {
+    this.velocityTracker.onTouchEnd(e);
+    this.target.removeEventListener('touchmove', this.onTouchMove);
+    this.target.removeEventListener('touchend', this.onTouchEnd);
+
+    var velocityX = this.velocityTracker.velocityX;
+    if (Math.abs(velocityX) > DrawerController.kMinFlingVelocity) {
+        this.fling(velocityX);
+    } else if (this.isOpen()) {
+        this.open();
+    } else {
+        this.close();
+    }
+};
+
+DrawerController.prototype.openFraction = function() {
+    var width = this.right - this.left;
+    var offset = this.position - this.left;
+    return offset / width;
+};
+
+DrawerController.prototype.isOpen = function() {
+    return this.openFraction() >= 0.5;
+};
+
+DrawerController.prototype.isOpening = function() {
+    return this.state == DrawerController.kOpening ||
+        (this.state == DrawerController.kFlinging && this.animationVelocityX > 0);
+}
+
+DrawerController.prototype.isClosing = function() {
+    return this.state == DrawerController.kClosing ||
+        (this.state == DrawerController.kFlinging && this.animationVelocityX < 0);
+}
+
+DrawerController.prototype.toggle = function() {
+    if (this.isOpen())
+        this.close();
+    else
+        this.open();
+};
+
+DrawerController.prototype.open = function() {
+    if (!this.position)
+        this.willOpenCallback.call(this.target);
+
+    this.animator.stopAnimation();
+    this.animationDuration = DrawerController.kMaxSettleDurationMS;
+    this.state = DrawerController.kOpening;
+    this.animate();
+};
+
+DrawerController.prototype.close = function() {
+    this.animator.stopAnimation();
+    this.animationDuration = DrawerController.kMaxSettleDurationMS;
+    this.state = DrawerController.kClosing;
+    this.animate();
+};
+
+DrawerController.prototype.fling = function(velocityX) {
+    this.animator.stopAnimation();
+    this.animationVelocityX = velocityX;
+    this.state = DrawerController.kFlinging;
+    this.animate();
+};
+
+DrawerController.prototype.animate = function() {
+    this.positionAnimationBase = this.position;
+    this.animator.startAnimation();
+};
+
+DrawerController.prototype.targetPosition = function(deltaT) {
+    if (this.state == DrawerController.kFlinging)
+        return this.positionAnimationBase + this.animationVelocityX * deltaT;
+    var targetFraction = this.curve.scaleTime(deltaT / this.animationDuration);
+    var animationWidth = this.state == DrawerController.kOpening ?
+      this.width - this.positionAnimationBase : -this.positionAnimationBase;
+    return this.positionAnimationBase + targetFraction * animationWidth;
+};
+
+DrawerController.prototype.onAnimation = function(timeStamp) {
+    var deltaT = timeStamp - this.animator.startTimeStamp;
+    var targetPosition = this.targetPosition(deltaT);
+    this.position = this.restrictToBounds(targetPosition);
+
+    this.animateCallback.call(this.target, this.position);
+
+    if (targetPosition <= this.left && this.isClosing()) {
+        this.state = DrawerController.kClosed;
+        this.didCloseCallback.call(this.target);
+        return false;
+    }
+    if (targetPosition >= this.right && this.isOpening()) {
+        this.state = DrawerController.kOpened;
+        return false;
+    }
+
+    return true;
+};
+
+
+function DismissController(options) {
+    this.velocityTracker = new VelocityTracker();
+    this.animator = new Animator(this);
+
+    this.target = options.target;
+    this.moveCallback = options.onMove;
+    this.dismissCallback = options.onDismiss;
+    this.curve = presetTimingFunctions[options.curve || 'linear'];
+
+    this.position = 0;
+    this.width = 0;
+    this.state = DismissController.kInitial;
+
+    this.target.addEventListener('touchstart', this.onTouchStart.bind(this));
+    this.target.addEventListener('touchmove', this.onTouchMove.bind(this));
+    this.target.addEventListener('touchend', this.onTouchEnd.bind(this));
+    // TODO(abarth): Handle touchcancel.
+}
+
+DismissController.kInitial = 'initial';
+DismissController.kDragging = 'dragging';
+DismissController.kSettling = 'settling';
+DismissController.kFlinging = 'flinging';
+DismissController.kDismissed = 'dismissed';
+
+DismissController.prototype.onTouchStart = function(e) {
+    this.velocityTracker.onTouchStart(e);
+
+    this.state = DismissController.kInitial;
+    this.animator.stopAnimation();
+
+    this.startX = e.changedTouches[0].clientX;
+    this.startY = e.changedTouches[0].clientY;
+    this.startPosition = this.position;
+};
+
+DismissController.prototype.onTouchMove = function(e) {
+    this.velocityTracker.onTouchMove(e);
+
+    if (this.state == DismissController.kScrolling)
+        return;
+
+    if (this.state == DismissController.kInitial) {
+        var deltaX = e.changedTouches[0].clientX - this.startX;
+        var deltaY = e.changedTouches[0].clientY - this.startY;
+
+        if (deltaX * deltaX + deltaY * deltaY < DrawerController.kTouchSlopSquare) {
+            e.preventDefault();
+            return;
+        }
+
+        if (Math.abs(deltaY) > Math.abs(deltaX)) {
+            this.state = DismissController.kScrolling;
+            return;
+        }
+
+        this.state = DismissController.kDragging;
+        this.width = this.target.offsetWidth;
+    }
+
+    e.preventDefault();
+    var deltaX = e.changedTouches[0].clientX - this.startX;
+    this.position = this.startPosition + deltaX;
+    this.moveCallback.call(this.target, this.position);
+};
+
+DismissController.prototype.onTouchEnd = function(e) {
+    this.velocityTracker.onTouchEnd(e);
+
+    if (this.state == DismissController.kDragging) {
+        var velocityX = this.velocityTracker.velocityX;
+        if (Math.abs(velocityX) > DrawerController.kMinFlingVelocity) {
+            this.fling(velocityX);
+            return;
+        }
+
+        var fraction = this.position / this.width;
+        if (fraction > 0.5)
+            this.settle(this.width);
+        else if (fraction < -0.5)
+            this.settle(-this.width);
+        else
+            this.settle(0)
+    }
+};
+
+DismissController.prototype.fling = function(velocityX) {
+    this.animator.stopAnimation();
+    this.animationVelocityX = velocityX;
+    this.basePosition = this.position;
+    this.state = DismissController.kFlinging;
+    this.targetPosition = velocityX < 0 ? -this.width : this.width;
+    this.animator.startAnimation();
+};
+
+DismissController.prototype.settle = function(targetPosition) {
+    this.animator.stopAnimation();
+    this.animationDuration = DrawerController.kBaseSettleDurationMS;
+    this.state = DismissController.kSettling;
+    this.basePosition = this.position;
+    this.targetPosition = targetPosition;
+    this.animator.startAnimation();
+};
+
+DismissController.prototype.computeTargetPosition = function(deltaT) {
+    var approximateTargetPosition = 0;
+    var movingLeftward = false;
+
+    if (this.state == DismissController.kSettling) {
+        var targetFraction = this.curve.scaleTime(deltaT / this.animationDuration);
+        var animationWidth = this.targetPosition - this.basePosition;
+        approximateTargetPosition = this.basePosition + targetFraction * animationWidth;
+        movingLeftward = animationWidth < 0;
+    } else if (this.state == DismissController.kFlinging) {
+        approximateTargetPosition = this.basePosition + this.animationVelocityX * deltaT;
+        movingLeftward = this.animationVelocityX < 0;
+    }
+
+    var lowerBound = -this.width;
+    var upperBound = this.width;
+    if (movingLeftward && this.targetPosition == 0)
+        lowerBound = 0;
+    else if (!movingLeftward && this.targetPosition == 0)
+        upperBound = 0;
+
+    return Math.max(lowerBound, Math.min(upperBound, approximateTargetPosition));
+};
+
+DismissController.prototype.onAnimation = function(timeStamp) {
+    var deltaT = timeStamp - this.animator.startTimeStamp;
+
+    this.position = this.computeTargetPosition(deltaT);
+    this.moveCallback.call(this.target, this.position);
+
+    if (this.position != this.targetPosition)
+        return true;
+
+    if (this.targetPosition == 0) {
+        this.state = DismissController.kInitial;
+        return false;
+    }
+
+    this.state = DismissController.kDismissed;
+    this.dismissCallback.call(this.target, this.targetPosition < 0 ? 'left' : 'right');
+    return false;
+};
+
+exports.DrawerController = DrawerController;
+exports.DismissController = DismissController;
+
+})(window);
+</script>
+<style>
+html {
+  height: 100%;
+}
+body {
+  display: block;
+  height: 100%;
+  margin: 0;
+  background-color: red;
+}
+</style>
+<polymer-element name="app-frame" assetpath="/">
+  <template>
+    <style>
+      :host {
+        display: flex;
+        flex-direction: column;
+        background-color: white;
+        height: 100%;
+        position: relative;
+        overflow: hidden;
+      }
+    </style>
+    <content></content>
+  </template>
+  <script>
+    Polymer('app-frame', {
+    });
+  </script>
+</polymer-element>
+<polymer-element name="app-column" assetpath="/">
+  <template>
+    <style>
+      :host {
+        position: relative;
+        overflow-x: hidden;
+        overflow-y: auto;
+        display: flex;
+        flex-direction: column;
+        flex: 1;
+      }
+    </style>
+    <content></content>
+  </template>
+  <script>
+    Polymer('app-column', {
+    });
+  </script>
+</polymer-element>
+<polymer-element name="app-drawer" attributes="active" assetpath="/">
+  <template>
+    <style>
+      #content {
+        display: none;
+        position: absolute;
+        top: 0;
+        left: 0;
+        width: 300px;
+        bottom: 0;
+        background-color: white;
+        -webkit-transform: translate3d(0,0,0);
+        overflow-y: scroll;
+      }
+      #mask {
+        display: none;
+        position: absolute;
+        top: 0;
+        left: 0;
+        right: 0;
+        bottom: 0;
+        background-color: black;
+        -webkit-transform: translate3d(0,0,0);
+      }
+    </style>
+    <div id="mask"></div>
+    <div id="content">
+      <content></content>
+    </div>
+  </template>
+  <script>
+    Polymer('app-drawer', {
+      active: false,
+      toggle: function() {
+        this.controller.toggle();
+      },
+      enteredView: function() {
+        var content = this.$.content;
+        var mask = this.$.mask;
+        this.controller = new DrawerController({
+            target: this,
+            left: 0,
+            right: 300,
+            position: 0,
+            curve: 'ease-in-out',
+            willOpen: function() {
+                mask.style.display = 'block';
+                content.style.display = 'block';
+                this.active = true;
+            },
+            didClose: function() {
+                mask.style.display = 'none';
+                content.style.display = 'none';
+                this.active = false;
+            },
+            onAnimate: function(position) {
+                // FIXME: We should animate the opacity from zero, but that triggers http://crbug.com/328106
+                mask.style.opacity = ((position + 1) / 300) * 0.2;
+                content.style.WebkitTransform = 'translate3d(' + (position - 300) + 'px,0,0)';
+            },
+        });
+      },
+    });
+  </script>
+</polymer-element>
+<polymer-element name="app-dismissable-item" assetpath="/">
+  <template>
+    <style>
+      :host {
+        display: block;
+        -webkit-transform: translate3d(0,0,0);
+        flex-shrink: 0;
+      }
+    </style>
+    <content></content>
+  </template>
+  <script>
+    Polymer('app-dismissable-item', {
+      enteredView: function() {
+        this.controller = new DismissController({
+            target: this,
+            curve: 'ease-in-out',
+            onMove: function(position) {
+              var width = this.offsetWidth;
+              this.style.opacity = (width - Math.abs(position)) / width;
+              this.style.WebkitTransform = 'translate3d(' + position + 'px,0,0)';
+            },
+            onDismiss: function(direction) {
+              this.remove();
+            },
+        });
+      },
+    });
+  </script>
+</polymer-element>
+
+<!--
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+-->
+<!--
+/**
+ * @module Polymer Elements
+ */
+-->
+<!--
+/**
+ * The polymer-selection element is used to manage selection state. It has no
+ * visual appearance and is typically used in conjuneciton with another element.
+ * For example, <a href="polymer-selector.html">polymer-selector</a>
+ * use a polymer-selection to manage selection.
+ *
+ * To mark an item as selected, call the select(item) method on 
+ * polymer-selection. Notice that the item itself is an argument to this method.
+ * The polymer-selection element manages selection state for any given set of
+ * items. When an item is selected, the `polymer-select` event is fired.
+ * The attribute "multi" indicates if multiple items can be selected at once.
+ * 
+ * Example:
+ *
+ *     <polymer-element name="selection-example">
+ *        <template>
+ *          <style>
+ *            ::-webkit-distributed(> .selected) {
+ *              font-weight: bold;
+ *              font-style: italic;
+ *            }
+ *          </style>
+ *          <ul on-tap="{{itemTapAction}}">
+ *            <content></content>
+ *          </ul>
+ *          <polymer-selection id="selection" multi on-polymer-select="{{selectAction}}"></polymer-selection>
+ *        </template>
+ *        <script>
+ *          Polymer('selection-example', {
+ *            itemTapAction: function(e) {
+ *              this.$.selection.select(e.target);
+ *            },
+ *            selectAction: function(e, detail) {
+ *              detail.item.classList.toggle('selected', detail.isSelected);
+ *            }
+ *          });
+ *        </script>
+ *     </polymer-element>
+ *
+ *     <selection-example>
+ *       <li>Red</li>
+ *       <li>Green</li>
+ *       <li>Blue</li>
+ *     </selection-example>
+ *
+ * @class polymer-selection
+ */
+ /**
+ * Fired when an item's selection state is changed. This event is fired both
+ * when an item is selected or deselected. The `isSelected` detail property
+ * contains the selection state.
+ * 
+ * @event polymer-select
+ * @param {Object} detail
+ *   @param {boolean} detail.isSelected true for selection and false for deselection
+ *   @param {Object} detail.item the item element
+ */
+-->
+
+
+<polymer-element name="polymer-selection" attributes="multi" assetpath="bower_components/polymer-selection/">
+  <template>
+    <style>
+      :host {
+        display: none !important;
+      }
+    </style>
+  </template>
+  <script>
+    Polymer('polymer-selection', {
+      /**
+       * If true, multiple selections are allowed.
+       *
+       * @attribute multi
+       * @type boolean
+       * @default false
+       */
+      multi: false,
+      ready: function() {
+        this.clear();
+      },
+      clear: function() {
+        this.selection = [];
+      },
+      /**
+       * Retrieves the selected item(s).
+       * @method getSelection
+       * @returns Returns the selected item(s). If the multi property is true,
+       * getSelection will return an array, otherwise it will return 
+       * the selected item or undefined if there is no selection.
+      */
+      getSelection: function() {
+        return this.multi ? this.selection : this.selection[0];
+      },
+      /**
+       * Indicates if a given item is selected.
+       * @method isSelected
+       * @param {any} item The item whose selection state should be checked.
+       * @returns Returns true if `item` is selected.
+      */
+      isSelected: function(item) {
+        return this.selection.indexOf(item) >= 0;
+      },
+      setItemSelected: function(item, isSelected) {
+        if (item !== undefined && item !== null) {
+          if (isSelected) {
+            this.selection.push(item);
+          } else {
+            var i = this.selection.indexOf(item);
+            if (i >= 0) {
+              this.selection.splice(i, 1);
+            }
+          }
+          this.fire("polymer-select", {isSelected: isSelected, item: item});
+        }
+      },
+      /**
+       * Set the selection state for a given `item`. If the multi property
+       * is true, then the selected state of `item` will be toggled; otherwise
+       * the `item` will be selected.
+       * @method select
+       * @param {any} item: The item to select.
+      */
+      select: function(item) {
+        if (this.multi) {
+          this.toggle(item);
+        } else if (this.getSelection() !== item) {
+          this.setItemSelected(this.getSelection(), false);
+          this.setItemSelected(item, true);
+        }
+      },
+      /**
+       * Toggles the selection state for `item`.
+       * @method toggle
+       * @param {any} item: The item to toggle.
+      */
+      toggle: function(item) {
+        this.setItemSelected(item, !this.isSelected(item));
+      }
+    });
+  </script>
+</polymer-element>
+
+<!--
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+-->
+<!--
+/**
+ * @module Polymer Elements
+ */
+/**
+ * polymer-selector is used to manage a list of elements that can be selected.
+ * The attribute "selected" indicates which item element is being selected.
+ * The attribute "multi" indicates if multiple items can be selected at once.
+ * Tapping on the item element would fire "polymer-activate" event. Use
+ * "polymer-select" event to listen for selection changes.
+ *
+ * Example:
+ *
+ *     <polymer-selector selected="0">
+ *       <div>Item 1</div>
+ *       <div>Item 2</div>
+ *       <div>Item 3</div>
+ *     </polymer-selector>
+ *
+ * polymer-selector is not styled.  So one needs to use "polymer-selected" CSS
+ * class to style the selected element.
+ * 
+ *     <style>
+ *       .item.polymer-selected {
+ *         background: #eee;
+ *       }
+ *     </style>
+ *     ...
+ *     <polymer-selector>
+ *       <div class="item">Item 1</div>
+ *       <div class="item">Item 2</div>
+ *       <div class="item">Item 3</div>
+ *     </polymer-selector>
+ *
+ * @class polymer-selector
+ */
+/**
+ * Fired when an item's selection state is changed. This event is fired both
+ * when an item is selected or deselected. The `isSelected` detail property
+ * contains the selection state.
+ * 
+ * @event polymer-select
+ * @param {Object} detail
+ *   @param {boolean} detail.isSelected true for selection and false for deselection
+ *   @param {Object} detail.item the item element
+ */
+/**
+ * Fired when an item element is tapped.
+ * 
+ * @event polymer-activate
+ * @param {Object} detail
+ *   @param {Object} detail.item the item element
+ */
+-->
+
+
+
+<polymer-element name="polymer-selector" attributes="selected multi valueattr selectedClass selectedProperty selectedItem selectedModel selectedIndex notap target itemsSelector activateEvent" assetpath="bower_components/polymer-selector/">
+  <template>
+    <polymer-selection id="selection" multi="{{multi}}" on-polymer-select="{{selectionSelect}}"></polymer-selection>
+    <content id="items" select="*"></content>
+  </template>
+  <script>
+    Polymer('polymer-selector', {
+      /**
+       * Gets or sets the selected element.  Default to use the index
+       * of the item element.
+       *
+       * If you want a specific attribute value of the element to be
+       * used instead of index, set "valueattr" to that attribute name.
+       *
+       * Example:
+       *
+       *     <polymer-selector valueattr="label" selected="foo">
+       *       <div label="foo"></div>
+       *       <div label="bar"></div>
+       *       <div label="zot"></div>
+       *     </polymer-selector>
+       *
+       * In multi-selection this should be an array of values.
+       *
+       * Example:
+       *
+       *     <polymer-selector id="selector" valueattr="label" multi>
+       *       <div label="foo"></div>
+       *       <div label="bar"></div>
+       *       <div label="zot"></div>
+       *     </polymer-selector>
+       *
+       *     this.$.selector.selected = ['foo', 'zot'];
+       *
+       * @attribute selected
+       * @type Object
+       * @default null
+       */
+      selected: null,
+      /**
+       * If true, multiple selections are allowed.
+       *
+       * @attribute multi
+       * @type boolean
+       * @default false
+       */
+      multi: false,
+      /**
+       * Specifies the attribute to be used for "selected" attribute.
+       *
+       * @attribute valueattr
+       * @type string
+       * @default 'name'
+       */
+      valueattr: 'name',
+      /**
+       * Specifies the CSS class to be used to add to the selected element.
+       * 
+       * @attribute selectedClass
+       * @type string
+       * @default 'polymer-selected'
+       */
+      selectedClass: 'polymer-selected',
+      /**
+       * Specifies the property to be used to set on the selected element
+       * to indicate its active state.
+       *
+       * @attribute selectedProperty
+       * @type string
+       * @default 'active'
+       */
+      selectedProperty: 'active',
+      /**
+       * Returns the currently selected element. In multi-selection this returns
+       * an array of selected elements.
+       * 
+       * @attribute selectedItem
+       * @type Object
+       * @default null
+       */
+      selectedItem: null,
+      /**
+       * In single selection, this returns the model associated with the
+       * selected element.
+       * 
+       * @attribute selectedModel
+       * @type Object
+       * @default null
+       */
+      selectedModel: null,
+      /**
+       * In single selection, this returns the selected index.
+       *
+       * @attribute selectedIndex
+       * @type number
+       * @default -1
+       */
+      selectedIndex: -1,
+      /**
+       * The target element that contains items.  If this is not set 
+       * polymer-selector is the container.
+       * 
+       * @attribute target
+       * @type Object
+       * @default null
+       */
+      target: null,
+      /**
+       * This can be used to query nodes from the target node to be used for 
+       * selection items.  Note this only works if the 'target' property is set.
+       *
+       * Example:
+       *
+       *     <polymer-selector target="{{$.myForm}}" itemsSelector="input[type=radio]"></polymer-selector>
+       *     <form id="myForm">
+       *       <label><input type="radio" name="color" value="red"> Red</label> <br>
+       *       <label><input type="radio" name="color" value="green"> Green</label> <br>
+       *       <label><input type="radio" name="color" value="blue"> Blue</label> <br>
+       *       <p>color = {{color}}</p>
+       *     </form>
+       * 
+       * @attribute itemSelector
+       * @type string
+       * @default ''
+       */
+      itemsSelector: '',
+      /**
+       * The event that would be fired from the item element to indicate
+       * it is being selected.
+       *
+       * @attribute activateEvent
+       * @type string
+       * @default 'tap'
+       */
+      activateEvent: 'tap',
+      notap: false,
+      ready: function() {
+        this.activateListener = this.activateHandler.bind(this);
+        this.observer = new MutationObserver(this.updateSelected.bind(this));
+        if (!this.target) {
+          this.target = this;
+        }
+      },
+      get items() {
+        var nodes = this.target !== this ? (this.itemsSelector ? 
+            this.target.querySelectorAll(this.itemsSelector) : 
+                this.target.children) : this.$.items.getDistributedNodes();
+        return Array.prototype.filter.call(nodes || [], function(n) {
+          return n && n.localName !== 'template';
+        });
+      },
+      targetChanged: function(old) {
+        if (old) {
+          this.removeListener(old);
+          this.observer.disconnect();
+        }
+        if (this.target) {
+          this.addListener(this.target);
+          this.observer.observe(this.target, {childList: true});
+        }
+      },
+      addListener: function(node) {
+        node.addEventListener(this.activateEvent, this.activateListener);
+      },
+      removeListener: function(node) {
+        node.removeEventListener(this.activateEvent, this.activateListener);
+      },
+      get selection() {
+        return this.$.selection.getSelection();
+      },
+      selectedChanged: function() {
+        this.updateSelected();
+      },
+      updateSelected: function() {
+        this.validateSelected();
+        if (this.multi) {
+          this.clearSelection();
+          this.selected && this.selected.forEach(function(s) {
+            this.valueToSelection(s);
+          }, this);
+        } else {
+          this.valueToSelection(this.selected);
+        }
+      },
+      validateSelected: function() {
+        // convert to an array for multi-selection
+        if (this.multi && !Array.isArray(this.selected) && 
+            this.selected !== null && this.selected !== undefined) {
+          this.selected = [this.selected];
+        }
+      },
+      clearSelection: function() {
+        if (this.multi) {
+          this.selection.slice().forEach(function(s) {
+            this.$.selection.setItemSelected(s, false);
+          }, this);
+        } else {
+          this.$.selection.setItemSelected(this.selection, false);
+        }
+        this.selectedItem = null;
+        this.$.selection.clear();
+      },
+      valueToSelection: function(value) {
+        var item = (value === null || value === undefined) ? 
+            null : this.items[this.valueToIndex(value)];
+        this.$.selection.select(item);
+      },
+      updateSelectedItem: function() {
+        this.selectedItem = this.selection;
+      },
+      selectedItemChanged: function() {
+        if (this.selectedItem) {
+          var t = this.selectedItem.templateInstance;
+          this.selectedModel = t ? t.model : undefined;
+        } else {
+          this.selectedModel = null;
+        }
+        this.selectedIndex = this.selectedItem ? 
+            parseInt(this.valueToIndex(this.selected)) : -1;
+      },
+      valueToIndex: function(value) {
+        // find an item with value == value and return it's index
+        for (var i=0, items=this.items, c; (c=items[i]); i++) {
+          if (this.valueForNode(c) == value) {
+            return i;
+          }
+        }
+        // if no item found, the value itself is probably the index
+        return value;
+      },
+      valueForNode: function(node) {
+        return node[this.valueattr] || node.getAttribute(this.valueattr);
+      },
+      // events fired from <polymer-selection> object
+      selectionSelect: function(e, detail) {
+        this.updateSelectedItem();
+        if (detail.item) {
+          this.applySelection(detail.item, detail.isSelected)
+        }
+      },
+      applySelection: function(item, isSelected) {
+        if (this.selectedClass) {
+          item.classList.toggle(this.selectedClass, isSelected);
+        }
+        if (this.selectedProperty) {
+          item[this.selectedProperty] = isSelected;
+        }
+      },
+      // event fired from host
+      activateHandler: function(e) {
+        if (!this.notap) {
+          var i = this.findDistributedTarget(e.target, this.items);
+          if (i >= 0) {
+            var item = this.items[i];
+            var s = this.valueForNode(item) || i;
+            if (this.multi) {
+              if (this.selected) {
+                this.addRemoveSelected(s);
+              } else {
+                this.selected = [s];
+              }
+            } else {
+              this.selected = s;
+            }
+            this.asyncFire('polymer-activate', {item: item});
+          }
+        }
+      },
+      addRemoveSelected: function(value) {
+        var i = this.selected.indexOf(value);
+        if (i >= 0) {
+          this.selected.splice(i, 1);
+        } else {
+          this.selected.push(value);
+        }
+        this.valueToSelection(value);
+      },
+      findDistributedTarget: function(target, nodes) {
+        // find first ancestor of target (including itself) that
+        // is in nodes, if any
+        while (target && target != this) {
+          var i = Array.prototype.indexOf.call(nodes, target);
+          if (i >= 0) {
+            return i;
+          }
+          target = target.parentNode;
+        }
+      }
+    });
+  </script>
+</polymer-element>
+
+<!--
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+-->
+
+
+<polymer-element name="polymer-ui-theme-aware" attributes="theme" assetpath="bower_components/polymer-ui-theme-aware/">
+  <script>
+    PolymerUI = {
+      validateTheme: function() {
+        var theme = this.theme;
+        var defaultTheme = this.defaultTheme;
+        if (!theme) {
+          var p = this;
+          while (p && !theme) {
+            theme = p.getAttribute && p.getAttribute('theme');
+            defaultTheme = defaultTheme || p.defaultTheme;
+            p = p.parentNode || p.host;
+          }
+        }
+        this.activeTheme = this.theme || theme || defaultTheme;
+      }
+    };
+    Polymer('polymer-ui-theme-aware', {
+      defaultTheme: '',
+      activeTheme: '',
+      validateTheme: PolymerUI.validateTheme,
+      enteredView: function() {
+        this.validateTheme();
+      },
+      themeChanged: function() {
+        this.activeTheme = this.theme;
+      },
+      activeThemeChanged: function(old) {
+        this.classList.switch(old, this.activeTheme);
+      }
+    });
+  </script>
+</polymer-element>
+
+<!--
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+-->
+<!--
+/**
+ * @module Polymer UI Elements
+ */
+/**
+ * polymer-ui-menu is a polymer-selector with theme propagation.  It styles to look like 
+ * a menu and should be used in conjunction with polymer-ui-menu-item.
+ *
+ * Example:
+ * 
+ *     <polymer-ui-menu selected="0">
+ *       <polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>
+ *       <polymer-ui-menu-item icon="dialog" label="Dialog"></polymer-ui-menu-item>
+ *       <polymer-ui-menu-item icon="search" label="Search"></polymer-ui-menu-item>
+ *     </polymer-ui-menu>
+ *
+ * The "selectedItem" property returns the currently selected item.
+ *
+ * Example:
+ *
+ *     <polymer-ui-menu selected="0" selectedItem="{{item}}">
+ *       <polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>
+ *       <polymer-ui-menu-item icon="dialog" label="Dialog"></polymer-ui-menu-item>
+ *       <polymer-ui-menu-item icon="search" label="Search"></polymer-ui-menu-item>
+ *     </polymer-ui-menu>
+ *
+ *     <div>selected label: {{item.label}}</div>
+ *
+ * The event "polymer-select" can also be used to listen for selection change.
+ *
+ * Example:
+ *
+ *     <polymer-ui-menu selected="0" on-polymer-select="{{selectAction}}">
+ *       <polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>
+ *       <polymer-ui-menu-item icon="dialog" label="Dialog"></polymer-ui-menu-item>
+ *       <polymer-ui-menu-item icon="search" label="Search"></polymer-ui-menu-item>
+ *     </polymer-ui-menu>
+ *
+ *     ...
+ *
+ *     selectAction: function(e, detail) {
+ *       if (detail.isSelected) {
+ *         var selectedItem = detail.item;
+ *         ...
+ *       }
+ *     }
+ *
+ * @class polymer-ui-menu
+ * @extends polymer-selector
+ */
+-->
+
+
+
+
+<polymer-element name="polymer-ui-menu" extends="polymer-selector" attributes="theme" on-polymer-select="{{selectionChange}}" assetpath="bower_components/polymer-ui-menu/">
+  <template>
+    <style>/*
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+*/
+
+:host {
+  /* technical */
+  display: block;
+  box-sizing: border-box;
+  -moz-box-sizing: border-box;
+  /* size */
+  padding: 0.4em;
+  font-weight: bold;
+}
+
+:host(.polymer-ui-light-theme:host) {
+  color: #333333;
+}
+
+:host(.polymer-ui-dark-theme:host) {
+  background: -webkit-linear-gradient(-60deg, #3d3d3d, #353535);
+  background: -moz-linear-gradient(-60deg, #3d3d3d, #353535);
+  background: -ms-linear-gradient(-60deg, #3d3d3d, #353535);
+  color: #ededed;
+}
+</style>
+    <shadow></shadow>
+  </template>
+  <script>
+    Polymer('polymer-ui-menu', {
+      activeTheme: '',
+      validateTheme: PolymerUI.validateTheme,
+      enteredView: function() {
+        this.validateTheme();
+      },
+      themeChanged: function() {
+        this.activeTheme = this.theme;
+      },
+      activeThemeChanged: function(old) {
+        this.classList.switch(old, this.activeTheme);
+      },
+      selectionChange: function(e, detail) {
+        if (detail.isSelected) {
+          var i = detail.item;
+          // find nested selected item
+          while (i.selectedItem) {
+            i = i.selectedItem;
+          }
+          this.selectedItem = i;
+        }
+      }
+    });
+  </script>
+</polymer-element>
+
+<!--
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+-->
+
+<!--
+/**
+* Polymer UI Elements
+*
+* @module Polymer UI Elements
+*/  
+/**
+ * polymer-ui-icon is a 24x24 glyph expressed as a background-image.
+ *
+ * Example:
+ *
+ *     <polymer-ui-icon src="star.png"></polymer-ui-icon>
+ *
+ * Optionally can use other size like 32x32 by setting the attribute "size" to "32":
+ *
+ *     <polymer-ui-icon src="big_star.png" size="32"></polymer-ui-icon>
+ *
+ * Polymer includes an icon set.  The property "icon" can be used
+ * to specify which icon to use.
+ *
+ * Example:
+ *
+ *     <polymer-ui-icon icon="menu"></polymer-ui-icon>
+ *
+ * @class polymer-ui-icon
+ */
+-->
+
+
+
+<polymer-element name="polymer-ui-icon" extends="polymer-ui-theme-aware" attributes="src size index icon" assetpath="bower_components/polymer-ui-icon/">
+  <template>
+    <style>/*
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+*/
+
+:host {
+  display: inline-block;
+  vertical-align: middle;
+  cursor: pointer;
+  background-repeat: no-repeat;
+}
+
+:host(.polymer-ui-dark-icon:host, .polymer-ui-light-theme:host) {
+  background-position: -24px 0;
+}
+
+:host(.polymer-ui-light-icon:host, .polymer-ui-dark-theme:host) {
+  background-position: -72px 0;
+}
+
+:host(.polymer-ui-icons:host) {
+  background-image: url(bower_components/polymer-ui-icon/bower_components/polymer-ui-icon/action-icons.png);
+}</style>
+    <content></content>
+  </template>
+  <script>
+    (function() {
+      var icons = [
+       'drawer',
+       'menu',
+       'search',
+       'dropdown',
+       'close',
+       'add',
+       'trash',
+       'refresh',
+       'settings',
+       'dialoga',
+       'left',
+       'right',
+       'down',
+       'up',
+       'grid',
+       'contact',
+       'account',
+       'plus',
+       'time',
+       'marker',
+       'briefcase',
+       'array',
+       'columns',
+       'list',
+       'modules',
+       'quilt',
+       'stream',
+       'maximize',
+       'shrink',
+       'sort',
+       'shortcut',
+       'dialog',
+       'twitter',
+       'facebook',
+       'favorite',
+       'gplus',
+       'filter',
+       'tag',
+       'plusone',
+       'dots'
+      ];
+      var map = {};
+      icons.forEach(function(name, i) {
+        map[name] = i;
+      });
+      icons = map;
+
+      Polymer('polymer-ui-icon', {
+        /**
+         * The URL of an image for the icon.
+         *
+         * @attribute src
+         * @type string
+         * @default ''
+         */
+        src: '',
+        /**
+         * Specifies the size of the icon.
+         *
+         * @attribute size
+         * @type string
+         * @default 24
+         */
+        size: 24,
+        /**
+         * Specifies the icon from the Polymer icon set.
+         *
+         * @attribute icon
+         * @type string
+         * @default ''
+         */
+        icon: '',
+        bx: 0,
+        by: 0,
+        icons: icons,
+        ready: function() {
+          this.sizeChanged();
+        },
+        sizeChanged: function() {
+          this.style.width = this.style.height = this.size + 'px';
+        },
+        iconChanged: function() {
+          this.index = this.icon in icons ? icons[this.icon] : -1;
+        },
+        indexChanged: function() {
+          this.classList.add('polymer-ui-icons');
+          this.by = -this.size * this.index;
+          this.updateIcon();
+        },
+        srcChanged: function() {
+          this.classList.remove('polymer-ui-icons');
+          this.style.backgroundImage = 'url(' + this.src + ')';
+          this.updateIcon();
+        },
+        activeThemeChanged: function(old) {
+          this.super(arguments);
+          this.style.backgroundPosition = '';
+          this.bx = calcThemeOffset(this.activeTheme, this);
+          this.updateIcon();
+        },
+        updateIcon: function() {
+          if (this.src) {
+            this.style.backgroundPosition = 'center';
+            this.style.backgroundSize = this.size + 'px ' + this.size + 'px';
+          } else {
+            this.style.backgroundPosition = (this.bx + 'px') + ' ' + (this.by + 'px');
+          }
+        }
+      });
+      // memoize offset because getComputedStyle is expensive
+      var themes = {};
+      function calcThemeOffset(theme, node) {
+        if (themes[theme] === undefined) {
+          var bp = getComputedStyle(node).backgroundPosition.split(' ');
+          // support 4 value syntax (https://code.google.com/p/chromium/issues/detail?id=310977)
+          var l = bp.length === 4 ? bp[1] : bp[0];
+          var offset = parseFloat(l);
+          themes[theme] = offset;
+        }
+        return themes[theme]; 
+      }
+    })();
+  </script>
+</polymer-element>
+
+<!--
+Copyright 2013 The Toolkitchen Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+-->
+<!--
+/**
+ * @module Polymer UI Elements
+ */
+/**
+ * polymer-ui-menu-item is styled to look like a menu item.  It should be used
+ * in conjunction with polymer-ui-menu or polymer-ui-sibebar-menu.
+ *
+ * Example:
+ *
+ *     <polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>
+ *
+ * @class polymer-ui-menu-item
+ */
+/**
+ * The URL of an image for the icon.
+ *
+ * @attribute src
+ * @type string
+ * @default ''
+ */
+/**
+ * Specifies the icon from the Polymer icon set.
+ *
+ * @attribute icon
+ * @type string
+ * @default ''
+ */
+/**
+ * Specifies the label for the menu item.
+ *
+ * @attribute label
+ * @type string
+ * @default ''
+ */
+/**
+ * Specifies the URL of the link it goes to when tapped on.
+ *
+ * Example:
+ *
+ *     <polymer-ui-menu-item icon="favorite" label="Favorite" href="http://www.polymer-project.org/"></polymer-ui-menu-item>
+ *
+ * If you want more control on the link, e.g. specify the target for where to
+ * open the linked document, you can put &lt;a> directly inside the menu-item.
+ *
+ * Example:
+ *
+ *     <polymer-ui-menu-item icon="favorite" label="Favorite">
+ *       <a href="http://www.polymer-project.org/" target="_self"></a>
+ *     </polymer-ui-menu-item>
+ *
+ * @attribute href
+ * @type string
+ * @default ''
+ */
+-->
+
+
+
+
+<polymer-element name="polymer-ui-menu-item" extends="polymer-ui-theme-aware" attributes="src label icon item href" assetpath="bower_components/polymer-ui-menu-item/">
+  <template>
+    <style>/*
+Copyright 2013 The Toolkitchen Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+*/
+
+:host { 
+  display: block;
+  position: relative;
+  box-sizing: border-box;
+  -moz-box-sizing: border-box;
+  height: 40px;
+  line-height: 35px;
+  font-size: 16px;
+  padding: 0 10px;
+  border: 1px solid transparent;
+  border-radius: 3px;
+  white-space: nowrap;
+  cursor: pointer;
+  opacity: 0.5;
+}
+
+:host(:hover:host) {
+  opacity: 0.9;
+}
+
+:host(.polymer-selected:host, [active]:host) {
+  opacity: 1;
+}
+
+:host(.polymer-ui-light-theme.polymer-selected:host, .polymer-ui-light-theme[active]:host) {
+  background: #f2f2f2;
+  border: 1px solid rgba(0, 0, 0, 0.15);
+}
+
+:host(.polymer-ui-dark-theme:host) {
+  color: #b3b3b3;
+}
+	
+:host(.polymer-ui-dark-theme:hover:host) {
+  color: rgba(255, 255, 255, 0.9);
+}
+
+:host(.polymer-ui-dark-theme.polymer-selected:host, .polymer-ui-dark-theme[active]:host) {
+  background-color: #000;
+  border: 1px solid rgba(255, 255, 255, 0.2);
+  color: rgba(255, 255, 255, 0.9);
+}
+
+:host([active].no-active-bg:host) {
+  background-color: transparent;
+  border: 1px solid transparent;
+}
+
+/* icon and label */
+polymer-ui-icon:not([showing]) {
+  display: none !important;
+}
+
+polymer-ui-icon {
+  margin-right: 16px;
+}
+
+#label {
+  vertical-align: middle;
+  padding-right: 20px;
+}
+
+/*@polyfill :host #label > a, #link */
+::content > a, #link {
+  position: absolute;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  margin: -1px;
+}
+
+#link[hidden] {
+  display: none;
+}
+</style>
+    <polymer-ui-icon src="{{src}}" icon="{{icon}}" showing?="{{icon || src}}"></polymer-ui-icon>
+    <span id="label">{{label}}<content></content></span>
+    <a id="link" href="{{href}}" hidden?="{{!href}}"></a>
+  </template>
+  <script>
+    Polymer('polymer-ui-menu-item', {
+      label: '',
+      // calc item's offset middle pos instead of using offsetTop/Height 
+      // directly which requires to wait for submenu's collapsing transition to 
+      // complete first before it can return the correct pos.
+      getOffsetMiddle: function() {
+        var p = this.parentNode;
+        if (p) {
+          var i = Array.prototype.indexOf.call(p.items, this);
+          var h = this.getItemHeight();
+          return i * h + h/2 + p.items[0].offsetTop;
+        }
+      },
+      getItemHeight: function() {
+        return this.offsetHeight;
+      }
+    });
+  </script>
+</polymer-element>
+
+<!--
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+-->
+<!--
+/**
+ * @module Polymer Elements
+ */
+/**
+ * polymer-media-query can be used to data bind to a CSS media query.
+ * The "query" property is a bare CSS media query.
+ * The "queryMatches" property will be a boolean representing if the page matches that media query.
+ *
+ * polymer-media-query uses media query listeners to dynamically update the "queryMatches" property.
+ * A "polymer-mediachange" event also fires when queryMatches changes.
+ *
+ * Example:
+ *
+ *      <polymer-media-query query="max-width: 640px" queryMatches="{{phoneScreen}}"></polymer-media-query>
+ *
+ * @class polymer-media-query
+ */
+-->
+
+
+<polymer-element name="polymer-media-query" attributes="query queryMatches" assetpath="bower_components/polymer-media-query/">
+  <template>
+    <style>
+      :host {
+        display: none;
+      }
+    </style>
+  </template>
+  <script>
+
+    Polymer('polymer-media-query', {
+      /**
+       * The Boolean return value of the media query
+       * @attribute queryMatches
+       * @type Boolean
+       * @default false
+       */
+      queryMatches: false,
+      /**
+       * The CSS media query to evaulate
+       * @attribute query
+       * @type string
+       * @default ''
+       */
+      query: '',
+      ready: function() {
+        this._mqHandler = this.queryHandler.bind(this);
+        this._mq = null;
+      },
+      queryChanged: function() {
+        if (this._mq) {
+          this._mq.removeListener(this._mqHandler);
+        }
+        var query = this.query;
+        if (query[0] !== '(') {
+          query = '(' + this.query + ')';
+        }
+        this._mq = window.matchMedia(query);
+        this._mq.addListener(this._mqHandler);
+        this.queryHandler(this._mq);
+      },
+      queryHandler: function(mq) {
+        this.queryMatches = mq.matches;
+        this.asyncFire('polymer-mediachange', mq);
+      }
+    });
+  </script>
+</polymer-element>
+
+<!--
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+-->
+<!--
+/**
+ * @module Polymer Elements
+ */
+/**
+ * polymer-flex-layout provides a helper to use CSS3 Flexible Boxes.  By putting
+ * polymer-flex-layout inside an element it makes the element a flex
+ * container. Use 'flex' attribute to make the flex item flexible.
+ *
+ * Example:
+ *
+ *     <div>
+ *       <polymer-flex-layout></polymer-flex-layout>
+ *       <div>Left</div>
+ *       <div flex>Main</div>
+ *       <div>Right</div>
+ *     </div>
+ *
+ *     ---------------------------------
+ *     |-------------------------------|
+ *     ||Left|       Main       |Right||
+ *     |-------------------------------|
+ *     ---------------------------------
+ *
+ *     <div>
+ *       <polymer-flex-layout vertical></polymer-flex-layout>
+ *       <div>Header</div>
+ *       <div flex>Body</div>
+ *       <div>Footer</div>
+ *     </div>
+ *
+ *     ----------
+ *     ||------||
+ *     ||Header||
+ *     ||------||
+ *     ||Body  ||
+ *     ||      ||
+ *     ||      ||
+ *     ||      ||
+ *     ||      ||
+ *     ||      ||
+ *     ||      ||
+ *     ||------||
+ *     ||Footer||
+ *     ||------||
+ *     ----------
+ *
+ * @class polymer-flex-layout
+ */
+/**
+ * If true, flex items are aligned vertically.
+ *
+ * @attribute vertical
+ * @type boolean
+ * @default false
+ */
+/**
+ * Defines the default for how flex items are laid out along the cross axis on 
+ * the current line.  Possible values are 'start', 'center' and 'end'.
+ *
+ * @attribute align
+ * @type string
+ * @default ''
+ */
+/**
+ * Defines how flex items are laid out along the main axis on the current line.
+ * Possible values are 'start', 'center' and 'end'.
+ *
+ * @attribute justify
+ * @type string
+ * @default ''
+ */
+/**
+ * If true, polymer-flex-layout is the flex container.
+ *
+ * Example:
+ *
+ *     <polymer-flex-layout isContainer>
+ *       <div>Left</div>
+ *       <div flex>Main</div>
+ *       <div>Right</div>
+ *     </polymer-flex-layout>
+ *
+ *     ---------------------------------
+ *     |-------------------------------|
+ *     ||Left|       Main       |Right||
+ *     |-------------------------------|
+ *     ---------------------------------
+ *
+ * @attribute isContainer
+ * @type boolean
+ * @default false
+ */
+-->
+
+
+<polymer-element name="polymer-flex-layout" attributes="vertical align justify isContainer" assetpath="bower_components/polymer-flex-layout/">
+  <template>
+    <style polymer-scope="controller">/*
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+*/
+.flexbox, [flexbox], [h-flexbox], [v-flexbox] {
+  display: -webkit-box !important;
+  display: -ms-flexbox !important;
+  display: -moz-flex !important;
+  display: -webkit-flex !important;
+  display: flex !important;
+}
+
+.flexbox.row, [flexbox], [h-flexbox] {
+  -webkit-box-orient: horizontal;
+  -ms-flex-direction: row;
+  -moz-flex-direction: row;
+  -webkit-flex-direction: row;
+  flex-direction: row;
+}
+
+.flexbox.column, [v-flexbox] {
+  -webkit-box-orient: vertical;
+  -ms-flex-direction: column;
+  -moz-flex-direction: column;
+  -webkit-flex-direction: column;
+  flex-direction: column;
+}
+
+.flex, [flex], [fit] {
+  -webkit-box-flex: 1;
+  -ms-flex: 1;
+  -moz-flex: 1;
+  -webkit-flex: 1;
+  flex: 1;
+}
+
+::-webkit-distributed(.flex), 
+::-webkit-distributed([flex]),
+::-webkit-distributed([fit]) {
+  -webkit-box-flex: 1;
+  -ms-flex: 1;
+  -moz-flex: 1;
+  -webkit-flex: 1;
+  flex: 1;
+}
+
+.flexbox.align-start {
+  -webkit-box-align: start;
+  -ms-flex-align: start;
+  -moz-align-items: flex-start;
+  -webkit-align-items: flex-start;
+  align-items: flex-start;
+}
+
+.flexbox.align-end {
+  -webkit-box-align: end;
+  -ms-flex-align: end;
+  -moz-align-items: flex-end;
+  -webkit-align-items: flex-end;
+  align-items: flex-end;
+}
+
+.flexbox.align-center {
+  -webkit-box-align: center;
+  -ms-flex-align: center;
+  -moz-align-items: center;
+  -webkit-align-items: center;
+  align-items: center;
+}
+
+.flexbox.justify-start {
+  -webkit-box-pack: start;
+  -ms-flex-pack: start;
+  -moz-justify-content: flex-start;
+  -webkit-justify-content: flex-start;
+  justify-content: flex-start;
+}
+
+.flexbox.justify-end {
+  -webkit-box-pack: end;
+  -ms-flex-pack: end;
+  -moz-justify-content: flex-end;
+  -webkit-justify-content: flex-end;
+  justify-content: flex-end;
+}
+
+.flexbox.justify-center {
+  -webkit-box-pack: center;
+  -ms-flex-pack: center;
+  -moz-justify-content: center;
+  -webkit-justify-content: center;
+  justify-content: center;
+}
+
+.flexbox.justify-between {
+  -webkit-box-pack: justify;
+  -ms-flex-pack: justify;
+  -moz-justify-content: space-between;
+  -webkit-justify-content: space-between;
+  justify-content: space-between;
+}
+
+:host(.flexbox:host, [flexbox]:host, [h-flexbox]:host, [v-flexbox]:host) {
+  display: -webkit-box !important;
+  display: -ms-flexbox !important;
+  display: -moz-flex !important;
+  display: -webkit-flex !important;
+  display: flex !important;
+}
+  
+:host(.flexbox.row:host, [flexbox]:host, [h-flexbox]:host) {
+  -webkit-box-orient: horizontal;
+  -ms-flex-direction: row;
+  -moz-flex-direction: row;
+  -webkit-flex-direction: row;
+  flex-direction: row;
+}
+  
+:host(.flexbox.column:host, [v-flexbox]:host) {
+  -webkit-box-orient: vertical;
+  -ms-flex-direction: column;
+  -moz-flex-direction: column;
+  -webkit-flex-direction: column;
+  flex-direction: column;
+}
+  
+:host(.flexbox.align-start:host) {
+  -webkit-box-align: start;
+  -ms-flex-align: start;
+  -moz-align-items: flex-start;
+  -webkit-align-items: flex-start;
+  align-items: flex-start;
+}
+  
+:host(.flexbox.align-end:host) {
+  -webkit-box-align: end;
+  -ms-flex-align: end;
+  -moz-align-items: flex-end;
+  -webkit-align-items: flex-end;
+  align-items: flex-end;
+}
+
+:host(.flexbox.align-center:host) {
+  -webkit-box-align: center;
+  -ms-flex-align: center;
+  -moz-align-items: center;
+  -webkit-align-items: center;
+  align-items: center;
+}
+
+:host(.flexbox.justify-start:host) {
+  -webkit-box-pack: start;
+  -ms-flex-pack: start;
+  -moz-justify-content: flex-start;
+  -webkit-justify-content: flex-start;
+  justify-content: flex-start;
+}
+
+:host(.flexbox.justify-end:host) {
+  -webkit-box-pack: end;
+  -ms-flex-pack: end;
+  -moz-justify-content: flex-end;
+  -webkit-justify-content: flex-end;
+  justify-content: flex-end;
+}
+
+:host(.flexbox.justify-center:host) {
+  -webkit-box-pack: center;
+  -ms-flex-pack: center;
+  -moz-justify-content: center;
+  -webkit-justify-content: center;
+  justify-content: center;
+}
+
+:host(.flexbox.justify-between:host) {
+  -webkit-box-pack: justify;
+  -ms-flex-pack: justify;
+  -moz-justify-content: space-between;
+  -webkit-justify-content: space-between;
+  justify-content: space-between;
+}
+</style>
+    <style>/*
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+*/
+.flexbox, [flexbox], [h-flexbox], [v-flexbox] {
+  display: -webkit-box !important;
+  display: -ms-flexbox !important;
+  display: -moz-flex !important;
+  display: -webkit-flex !important;
+  display: flex !important;
+}
+
+.flexbox.row, [flexbox], [h-flexbox] {
+  -webkit-box-orient: horizontal;
+  -ms-flex-direction: row;
+  -moz-flex-direction: row;
+  -webkit-flex-direction: row;
+  flex-direction: row;
+}
+
+.flexbox.column, [v-flexbox] {
+  -webkit-box-orient: vertical;
+  -ms-flex-direction: column;
+  -moz-flex-direction: column;
+  -webkit-flex-direction: column;
+  flex-direction: column;
+}
+
+.flex, [flex], [fit] {
+  -webkit-box-flex: 1;
+  -ms-flex: 1;
+  -moz-flex: 1;
+  -webkit-flex: 1;
+  flex: 1;
+}
+
+::-webkit-distributed(.flex), 
+::-webkit-distributed([flex]),
+::-webkit-distributed([fit]) {
+  -webkit-box-flex: 1;
+  -ms-flex: 1;
+  -moz-flex: 1;
+  -webkit-flex: 1;
+  flex: 1;
+}
+
+.flexbox.align-start {
+  -webkit-box-align: start;
+  -ms-flex-align: start;
+  -moz-align-items: flex-start;
+  -webkit-align-items: flex-start;
+  align-items: flex-start;
+}
+
+.flexbox.align-end {
+  -webkit-box-align: end;
+  -ms-flex-align: end;
+  -moz-align-items: flex-end;
+  -webkit-align-items: flex-end;
+  align-items: flex-end;
+}
+
+.flexbox.align-center {
+  -webkit-box-align: center;
+  -ms-flex-align: center;
+  -moz-align-items: center;
+  -webkit-align-items: center;
+  align-items: center;
+}
+
+.flexbox.justify-start {
+  -webkit-box-pack: start;
+  -ms-flex-pack: start;
+  -moz-justify-content: flex-start;
+  -webkit-justify-content: flex-start;
+  justify-content: flex-start;
+}
+
+.flexbox.justify-end {
+  -webkit-box-pack: end;
+  -ms-flex-pack: end;
+  -moz-justify-content: flex-end;
+  -webkit-justify-content: flex-end;
+  justify-content: flex-end;
+}
+
+.flexbox.justify-center {
+  -webkit-box-pack: center;
+  -ms-flex-pack: center;
+  -moz-justify-content: center;
+  -webkit-justify-content: center;
+  justify-content: center;
+}
+
+.flexbox.justify-between {
+  -webkit-box-pack: justify;
+  -ms-flex-pack: justify;
+  -moz-justify-content: space-between;
+  -webkit-justify-content: space-between;
+  justify-content: space-between;
+}
+
+:host(.flexbox:host, [flexbox]:host, [h-flexbox]:host, [v-flexbox]:host) {
+  display: -webkit-box !important;
+  display: -ms-flexbox !important;
+  display: -moz-flex !important;
+  display: -webkit-flex !important;
+  display: flex !important;
+}
+  
+:host(.flexbox.row:host, [flexbox]:host, [h-flexbox]:host) {
+  -webkit-box-orient: horizontal;
+  -ms-flex-direction: row;
+  -moz-flex-direction: row;
+  -webkit-flex-direction: row;
+  flex-direction: row;
+}
+  
+:host(.flexbox.column:host, [v-flexbox]:host) {
+  -webkit-box-orient: vertical;
+  -ms-flex-direction: column;
+  -moz-flex-direction: column;
+  -webkit-flex-direction: column;
+  flex-direction: column;
+}
+  
+:host(.flexbox.align-start:host) {
+  -webkit-box-align: start;
+  -ms-flex-align: start;
+  -moz-align-items: flex-start;
+  -webkit-align-items: flex-start;
+  align-items: flex-start;
+}
+  
+:host(.flexbox.align-end:host) {
+  -webkit-box-align: end;
+  -ms-flex-align: end;
+  -moz-align-items: flex-end;
+  -webkit-align-items: flex-end;
+  align-items: flex-end;
+}
+
+:host(.flexbox.align-center:host) {
+  -webkit-box-align: center;
+  -ms-flex-align: center;
+  -moz-align-items: center;
+  -webkit-align-items: center;
+  align-items: center;
+}
+
+:host(.flexbox.justify-start:host) {
+  -webkit-box-pack: start;
+  -ms-flex-pack: start;
+  -moz-justify-content: flex-start;
+  -webkit-justify-content: flex-start;
+  justify-content: flex-start;
+}
+
+:host(.flexbox.justify-end:host) {
+  -webkit-box-pack: end;
+  -ms-flex-pack: end;
+  -moz-justify-content: flex-end;
+  -webkit-justify-content: flex-end;
+  justify-content: flex-end;
+}
+
+:host(.flexbox.justify-center:host) {
+  -webkit-box-pack: center;
+  -ms-flex-pack: center;
+  -moz-justify-content: center;
+  -webkit-justify-content: center;
+  justify-content: center;
+}
+
+:host(.flexbox.justify-between:host) {
+  -webkit-box-pack: justify;
+  -ms-flex-pack: justify;
+  -moz-justify-content: space-between;
+  -webkit-justify-content: space-between;
+  justify-content: space-between;
+}
+</style>
+    <content></content>
+  </template>
+  <script>
+    Polymer('polymer-flex-layout', {
+      vertical: false,
+      isContainer: false,
+      layoutContainer: null,
+      enteredView: function() {
+        this.installControllerStyles();
+        this.layoutContainer = this.isContainer ? 
+            this : (this.parentNode.host || this.parentNode);
+        this.verticalChanged();
+        this.alignChanged();
+        this.justifyChanged();
+      },
+      leftView: function() {
+        this.layoutContainer = null;
+      },
+      layoutContainerChanged: function(old) {
+        if (old) {
+          old.classList.remove('flexbox');
+        }
+        this.style.display = this.layoutContainer === this ? '' : 'none';
+        if (this.layoutContainer) {
+          this.layoutContainer.classList.add('flexbox');
+        }
+      },
+      switchContainerClass: function(prefix, old, name) {
+        if (this.layoutContainer && name) {
+          this.layoutContainer.classList.switch(
+              prefix + old, prefix + name);
+        }
+      },
+      verticalChanged: function() {
+        if (this.layoutContainer) {
+          this.layoutContainer.classList.toggle('column', this.vertical);
+        }
+      },
+      alignChanged: function(old) {
+        this.switchContainerClass('align-', old, this.align);
+      },
+      justifyChanged: function(old) {
+        this.switchContainerClass('justify-', old, this.justify);
+      }
+    });
+  </script>
+</polymer-element>
+
+<!--
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+-->
+
+<!--
+/**
+ * @module Polymer UI Elements
+ */
+/**
+ * polymer-ui-toolbar is a horizontal bar containing elements that can perform actions.
+ *
+ * Example:
+ *
+ *     <polymer-ui-toolbar>
+ *       <polymer-ui-icon-button src="menu.png" on-click="{{menuAction}}"></polymer-ui-icon-button>
+ *       <div flex>Title</div>
+ *       <polymer-ui-icon-button src="more.png" on-click="{{moreAction}}"></polymer-ui-icon-button>
+ *     </polymer-ui-toolbar>
+ *
+ * polymer-ui-toolbar can adopt to smaller screen size.  If the attribute "responsive" is set
+ * and the screen size is less than the responsiveWidth (default to 800px), the toolbar will
+ * be moved to the bottom of the page.
+ *
+ * Example:
+ *
+ *     <polymer-ui-toolbar>
+ *       <polymer-ui-icon-button icon="menu"></polymer-ui-icon-button>
+ *       <div flex>Title</div>
+ *       <polymer-ui-toolbar responsive>
+ *         <polymer-ui-icon-button icon="add"></polymer-ui-icon-button>
+ *         <polymer-ui-icon-button icon="trash"></polymer-ui-icon-button>
+ *         <polymer-ui-icon-button icon="search"></polymer-ui-icon-button>
+ *       </polymer-ui-toolbar>
+ *     </polymer-ui-toolbar>
+ *
+ * @class polymer-ui-toolbar
+ */
+-->
+
+
+
+
+
+<polymer-element name="polymer-ui-toolbar" extends="polymer-ui-theme-aware" attributes="responsiveWidth" assetpath="bower_components/polymer-ui-toolbar/">
+  <template>
+    <style>/*
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+*/
+
+:host {
+  /* technical */
+  display: block;
+  box-sizing: border-box;
+  -moz-box-sizing: border-box;
+  /* border/shadow */
+	border-bottom: 1px solid rgba(0, 0, 0, 0.15);
+	/* size */
+  height: 60px;
+  font-size: 21px;
+	font-family: 'Helvetica Neue Medium', 'HelveticaNeue-Medium', Helvetica, sans-serif;
+	position: relative;
+}
+
+:host(.polymer-ui-light-theme:host) {
+  background: #f2f2f2 -webkit-linear-gradient(top, rgba(197,197,197,0), rgba(197,197,197,0.15));
+  background: #f2f2f2 -moz-linear-gradient(top, rgba(197,197,197,0), rgba(197,197,197,0.15));
+  background: #f2f2f2 -ms-linear-gradient(top, rgba(197,197,197,0), rgba(197,197,197,0.15));
+  color: #333333;
+}
+
+:host(.polymer-ui-dark-theme:host) {
+  background: #444444 none;
+  color: #f3f3f3;
+}
+  
+:host(.narrow-layout[responsive]:host) {
+  position: fixed;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  z-index: 1;
+  border: 0;
+  border-top: 1px solid rgba(0, 0, 0, 0.28);
+}
+
+/* TODO(sorvell): use of !important due to inability to 
+  naturally win over an :host style */
+/*@polyfill :host > polymer-ui-icon-button */
+::content > polymer-ui-icon-button {
+  margin: 0px 8px 0 8px !important;
+}
+
+/*@polyfill :host > polymer-ui-menu-button */
+::content > polymer-ui-menu-button {
+  margin: 0px 8px 0 8px !important;
+}
+
+/*@polyfill :host > polymer-ui-toolbar */
+::content > polymer-ui-toolbar {
+  margin: 0;
+}
+
+/*@polyfill :host > polymer-ui-toolbar:not(.narrow-layout) */
+::content > polymer-ui-toolbar:not(.narrow-layout) {
+  border: 0;
+  background: transparent none;
+}
+</style>
+    <polymer-flex-layout align="center"></polymer-flex-layout>
+    <polymer-media-query query="max-width: {{responsiveWidth}}" querymatches="{{queryMatches}}"></polymer-media-query>
+    <content></content>
+  </template>
+  <script>
+    Polymer('polymer-ui-toolbar', {
+      responsiveWidth: '800px',
+      queryMatches: false,
+      defaultTheme: 'polymer-ui-light-theme',
+      queryMatchesChanged: function() {
+        this.classList.toggle('narrow-layout', this.queryMatches);
+      }
+    });
+  </script>
+</polymer-element>
+
+<!--
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+-->
+<!--
+/**
+ * @module Polymer UI Elements
+ */
+/**
+ * polymer-ui-icon-button enables you to place an image centered in a button.
+ *
+ * Example:
+ *
+ *     <polymer-ui-icon-button src="star.png"></polymer-ui-icon-button>
+ *
+ * Polymer includes an icon set.  The property "icon" can be used
+ * to specify which icon to use.
+ *
+ * Example:
+ *
+ *     <polymer-ui-icon-button icon="menu"></polymer-ui-icon-button>
+ *
+ * @class polymer-ui-icon-button
+ */
+-->
+
+
+
+<polymer-element name="polymer-ui-icon-button" extends="polymer-ui-theme-aware" attributes="src index icon active" assetpath="bower_components/polymer-ui-icon-button/">
+  <template>
+    <style>/*
+Copyright 2013 The Polymer Authors. All rights reserved.
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file.
+*/
+:host {
+  display: inline-block;
+  box-sizing: border-box;
+  -moz-box-sizing: border-box;
+  width: 38px;
+  height: 38px;
+  background-image: none;
+  border-radius: 2px;
+  padding: 7px;
+  margin: 2px;
+  vertical-align: middle;
+  cursor: pointer;
+}
+  
+:host(.outline:host) {
+  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
+}
+
+:host(:hover:host) {
+  box-shadow: 0 1px 0 0 rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.1);
+}
+
+:host(.selected:host) {
+  background-color: rgba(0, 0, 0, 0.05);
+  box-shadow: inset 0 1px 0 0 rgba(0, 0, 0, 0.05), 0 0 0 1px rgba(0, 0, 0, 0.12);
+}
+
+:host(:active:host, .selected:active:host) {
+  background-color: rgba(0, 0, 0, 0.05);
+  box-shadow: inset 0 1px 0 0 rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.12);
+}
+  
+:host(.polymer-ui-dark-theme.outline:host) {
+  background-color: rgba(200, 200, 200, 0.05);
+  box-shadow: 0 0 0 1px rgba(200, 200, 200, 0.1);
+}
+
+:host(.polymer-ui-dark-theme:hover:host) {
+  background-color: rgba(200, 200, 200, 0.05);
+  box-shadow: 0 1px 0 0 rgba(200, 200, 200, 0.12), 0 0 0 1px rgba(200, 200, 200, 0.1);
+}
+
+:host(.polymer-ui-dark-theme.selected:host) {
+  background-color: rgba(220, 220, 220, 0.05);
+  box-shadow: inset 0 1px 0 0 rgba(200, 200, 200, 0.05), 0 0 0 1px rgba(200, 200, 200, 0.12);
+}
+
+:host(.polymer-ui-dark-theme:active:host, .polymer-ui-dark-theme.selected:active:host) {
+  background-color: rgba(200, 200, 200, 0.05);
+  box-shadow: inset 0 1px 0 0 rgba(200, 200, 200, 0.1), 0 0 0 1px rgba(200, 200, 200, 0.12);
+}
+
+polymer-ui-icon {
+  display: block !important;
+}</style>
+    <polymer-ui-icon src="{{src}}" index="{{index}}" icon="{{icon}}"><content></content></polymer-ui-icon>
+  </template>
+  <script>
+    Polymer('polymer-ui-icon-button', {
+      /**
+       * The URL of an image for the icon.
+       *
+       * @attribute src
+       * @type string
+       * @default ''
+       */
+      src: '',
+      /**
+       * If true, border is placed around the button to indicate
+       * active state.
+       *
+       * @attribute active
+       * @type boolean
+       * @default false
+       */
+      active: false,
+      /**
+       * Specifies the icon from the Polymer icon set.
+       *
+       * @attribute icon
+       * @type string
+       * @default ''
+       */
+      icon: '',
+      /**
+       * If a theme is applied that includes an icon set, the index of the 
+       * icon to display.
+       *
+       * @attribute index
+       * @type number
+       * @default -1
+       */     
+      index: -1,
+      activeChanged: function() {
+        // TODO(sjmiles): sugar this common case
+        this.classList.toggle('selected', this.active);
+      }
+    });
+  </script>
+</polymer-element>
+<style>
+      .message {
+        padding: 20px 10px;
+        background-color: white;
+        border-bottom: 1px solid lightgray;
+      }
+      .messages {
+        background-color: darkgrey;
+      }
+    </style>
+  </head>
+  <body class="polymer-ui-body-text" unresolved="">
+    <app-frame>
+      <polymer-ui-toolbar theme="polymer-ui-light-theme">
+        <polymer-ui-icon-button icon="menu" id="menu-button"></polymer-ui-icon-button>
+        <div flex="">Demo app</div>
+        <polymer-ui-icon-button icon="refresh"></polymer-ui-icon-button>
+        <polymer-ui-icon-button icon="add"></polymer-ui-icon-button>
+      </polymer-ui-toolbar>
+      <app-column>
+        <app-drawer id="nav-drawer">
+          <polymer-ui-menu selected="0" theme="polymer-ui-light-theme" active="false">
+            <polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="AAAAA"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="BBBBB"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="CCCCC"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="DDDDD"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="EEEEE"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="FFFFF"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="GGGGG"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="HHHHH"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="IIIII"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="JJJJJ"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="KKKKK"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="LLLLL"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="MMMMM"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="NNNNN"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="OOOOO"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="PPPPP"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="QQQQQ"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="RRRRR"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="SSSSS"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="TTTTT"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="UUUUU"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="VVVVV"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="WWWWW"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="XXXXX"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="YYYYY"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="dialog" label="ZZZZZ"></polymer-ui-menu-item>
+            <polymer-ui-menu-item icon="search" label="Search"></polymer-ui-menu-item>
+          </polymer-ui-menu>
+        </app-drawer>
+      </app-column>
+    </app-frame>
+    <script>
+      document.addEventListener('WebComponentsReady', function() {
+        document.getElementById('nav-drawer').toggle();
+      });
+
+      document.getElementById('menu-button').addEventListener('click', function() {
+        document.getElementById('nav-drawer').toggle();
+      });
+    </script>
+  </body>
+</html>