Remove third_party/polymer from .gitignore

third_party/polymer/v1_0/components/paper-toggle-button/paper-toggle-button.html

-<!--
-@license
-Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
-This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
-The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
-The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
-Code distributed by Google as part of the polymer project is also
-subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--->
-
-<link rel="import" href="../polymer/polymer.html">
-<link rel="import" href="../paper-styles/color.html">
-<link rel="import" href="../paper-styles/default-theme.html">
-<link rel="import" href="../paper-ripple/paper-ripple.html">
-<link rel="import" href="../paper-behaviors/paper-inky-focus-behavior.html">
-
-<!--
-`paper-toggle-button` provides a ON/OFF switch that user can toggle the state
-by tapping or by dragging the switch.
-
-Example:
-
-    <paper-toggle-button></paper-toggle-button>
-
-### Styling
-
-The following custom properties and mixins are available for styling:
-
-Custom property | Description | Default
-----------------|-------------|----------
-`--paper-toggle-button-unchecked-bar-color` | Slider color when the input is not checked | `#000000`
-`--paper-toggle-button-unchecked-button-color` | Button color when the input is not checked | `--paper-grey-50`
-`--paper-toggle-button-unchecked-ink-color` | Selected/focus ripple color when the input is not checked | `--dark-primary-color`
-`--paper-toggle-button-checked-bar-color` | Slider button color when the input is checked | `--google-green-500`
-`--paper-toggle-button-checked-button-color` | Button color when the input is checked | `--google-green-500`
-`--paper-toggle-button-checked-ink-color` | Selected/focus ripple color when the input is checked | `--google-green-500`
-
-@group Paper Elements
-@element paper-toggle-button
-@hero hero.svg
-@demo demo/index.html
--->
-
-<dom-module id="paper-toggle-button">
-
-  <link rel="import" type="css" href="paper-toggle-button.css">
-
-  <template>
-
-    <div id="toggleContainer">
-      <div id="toggleBar" class="toggle-bar"></div>
-      <div id="toggleButton" class="toggle-button">
-        <paper-ripple id="ink" class="toggle-ink circle" recenters></paper-ripple>
-      </div>
-    </div>
-
-  </template>
-
-  <script>
-    Polymer({
-      is: 'paper-toggle-button',
-
-      behaviors: [
-        Polymer.PaperInkyFocusBehavior
-      ],
-
-      hostAttributes: {
-        role: 'button',
-        'aria-pressed': 'false',
-        tabindex: 0
-      },
-
-      properties: {
-        /**
-         * Fired when the checked state changes due to user interaction.
-         *
-         * @event change
-         */
-        /**
-         * Fired when the checked state changes.
-         *
-         * @event iron-change
-         */
-        /**
-         * Gets or sets the state, `true` is checked and `false` is unchecked.
-         *
-         * @attribute checked
-         * @type boolean
-         * @default false
-         */
-        checked: {
-          type: Boolean,
-          value: false,
-          reflectToAttribute: true,
-          notify: true,
-          observer: '_checkedChanged'
-        },
-
-        /**
-         * If true, the button toggles the active state with each tap or press
-         * of the spacebar.
-         *
-         * @attribute toggles
-         * @type boolean
-         * @default true
-         */
-        toggles: {
-          type: Boolean,
-          value: true,
-          reflectToAttribute: true
-        }
-      },
-
-      listeners: {
-        track: '_ontrack'
-      },
-
-      ready: function() {
-        this._isReady = true;
-      },
-
-      // button-behavior hook
-      _buttonStateChanged: function() {
-        if (this.disabled) {
-          return;
-        }
-        if (this._isReady) {
-          this.checked = this.active;
-        }
-      },
-
-      _checkedChanged: function(checked) {
-        this.active = this.checked;
-        this.fire('iron-change');
-      },
-
-      _ontrack: function(event) {
-        var track = event.detail;
-        if (track.state === 'start') {
-          this._trackStart(track);
-        } else if (track.state === 'track') {
-          this._trackMove(track);
-        } else if (track.state === 'end') {
-          this._trackEnd(track);
-        }
-      },
-
-      _trackStart: function(track) {
-        this._width = this.$.toggleBar.offsetWidth / 2;
-        /*
-         * keep an track-only check state to keep the dragging behavior smooth
-         * while toggling activations
-         */
-        this._trackChecked = this.checked;
-        this.$.toggleButton.classList.add('dragging');
-      },
-
-      _trackMove: function(track) {
-        var dx = track.dx;
-        this._x = Math.min(this._width,
-            Math.max(0, this._trackChecked ? this._width + dx : dx));
-        this.translate3d(this._x + 'px', 0, 0, this.$.toggleButton);
-        this._userActivate(this._x > (this._width / 2));
-      },
-
-      _trackEnd: function(track) {
-        this.$.toggleButton.classList.remove('dragging');
-        this.transform('', this.$.toggleButton);
-      }
-
-    });
-  </script>
-
-</dom-module>