Rolling forward https://codereview.chromium.org/1155683008/ which was

third_party/polymer/v0_8/components-chromium/paper-slider/paper-slider-extracted.js

Index: third_party/polymer/v0_8/components-chromium/paper-slider/paper-slider-extracted.js
diff --git a/third_party/polymer/v0_8/components-chromium/paper-slider/paper-slider-extracted.js b/third_party/polymer/v0_8/components-chromium/paper-slider/paper-slider-extracted.js
deleted file mode 100644
index f69a9d7197afc19c205dd9946149da72225462e3..0000000000000000000000000000000000000000
--- a/third_party/polymer/v0_8/components-chromium/paper-slider/paper-slider-extracted.js
+++ /dev/null
@@ -1,330 +0,0 @@
-
-  /**
-   * Fired when the slider's value changes.
-   *
-   * @event value-change
-   */
-
-  /**
-   * Fired when the slider's immediateValue changes.
-   *
-   * @event immediate-value-change
-   */
-
-  /**
-   * Fired when the slider's value changes due to user interaction.
-   *
-   * Changes to the slider's value due to changes in an underlying
-   * bound variable will not trigger this event.
-   *
-   * @event change
-   */
-
-  Polymer({
-    is: 'paper-slider',
-
-    behaviors: [
-      Polymer.IronRangeBehavior,
-      Polymer.IronControlState
-    ],
-
-    properties: {
-
-      /**
-       * If true, the slider thumb snaps to tick marks evenly spaced based
-       * on the `step` property value.
-       */
-      snaps: {
-        type: Boolean,
-        value: false,
-        notify: true
-      },
-
-      /**
-       * If true, a pin with numeric value label is shown when the slider thumb
-       * is pressed.  Use for settings for which users need to know the exact
-       * value of the setting.
-       */
-      pin: {
-        type: Boolean,
-        value: false,
-        notify: true
-      },
-
-      /**
-       * The number that represents the current secondary progress.
-       */
-      secondaryProgress: {
-        type: Number,
-        value: 0,
-        notify: true,
-        observer: '_secondaryProgressChanged'
-      },
-
-      /**
-       * If true, an input is shown and user can use it to set the slider value.
-       */
-      editable: {
-        type: Boolean,
-        value: false
-      },
-
-      /**
-       * The immediate value of the slider.  This value is updated while the user
-       * is dragging the slider.
-       */
-      immediateValue: {
-        type: Number,
-        value: 0,
-        readOnly: true
-      },
-
-      /**
-       * The maximum number of markers
-       */
-      maxMarkers: {
-        type: Number,
-        value: 0,
-        notify: true,
-        observer: '_maxMarkersChanged'
-      },
-
-      /**
-       * If true, the knob is expanded
-       */
-      expand: {
-        type: Boolean,
-        value: false,
-        readOnly: true
-      },
-
-      /**
-       * True when the user is dragging the slider.
-       */
-      dragging: {
-        type: Boolean,
-        value: false,
-        readOnly: true
-      },
-
-      transiting: {
-        type: Boolean,
-        value: false,
-        readOnly: true
-      },
-
-      markers: {
-        readOnly: true,
-        value: []
-      },
-    },
-
-    observers: [
-      '_updateKnob(value, min, max, snaps, step)',
-      '_minChanged(min)',
-      '_maxChanged(max)',
-      '_valueChanged(value)',
-      '_immediateValueChanged(immediateValue)'
-    ],
-
-    ready: function() {
-      // issue polymer/polymer#1305
-      this.async(function() {
-        this._updateKnob(this.value);
-        this._updateInputValue();
-      }, 1);
-    },
-
-    /**
-     * Increases value by `step` but not above `max`.
-     * @method increment
-     */
-    increment: function() {
-      this.value = this._clampValue(this.value + this.step);
-    },
-
-    /**
-     * Decreases value by `step` but not below `min`.
-     * @method decrement
-     */
-    decrement: function() {
-      this.value = this._clampValue(this.value - this.step);
-    },
-
-    _updateKnob: function(value) {
-      this._positionKnob(this._calcRatio(value));
-    },
-
-    _minChanged: function() {
-      this.setAttribute('aria-valuemin', this.min);
-    },
-
-    _maxChanged: function() {
-      this.setAttribute('aria-valuemax', this.max);
-    },
-
-    _valueChanged: function() {
-      this.setAttribute('aria-valuenow', this.value);
-      this.fire('value-change');
-    },
-
-    _immediateValueChanged: function() {
-      if (!this.dragging) {
-        this.value = this.immediateValue;
-      }
-      this._updateInputValue();
-      this.fire('immediate-value-change');
-    },
-
-    _secondaryProgressChanged: function() {
-      this.secondaryProgress = this._clampValue(this.secondaryProgress);
-    },
-
-    _updateInputValue: function() {
-      if (this.editable) {
-        this.$$('#input').value = this.immediateValue;
-      }
-    },
-
-    _expandKnob: function() {
-      this._setExpand(true);
-    },
-
-    _resetKnob: function() {
-      this._expandJob && this._expandJob.stop();
-      this._setExpand(false);
-    },
-
-    _positionKnob: function(ratio) {
-      this._setImmediateValue(this._calcStep(this._calcKnobPosition(ratio)) || 0);
-      this._setRatio(this.snaps ? this._calcRatio(this.immediateValue) : ratio);
-      this.$.sliderKnob.style.left = this.ratio * 100 + '%';
-    },
-
-    _inputChange: function() {
-      this.value = this.$$('#input').value;
-      this.fire('change');
-    },
-
-    _calcKnobPosition: function(ratio) {
-      return (this.max - this.min) * ratio + this.min;
-    },
-
-    _onTrack: function(e) {
-      switch (event.detail.state) {
-        case 'end':
-          this._trackEnd(event);
-          break;
-        case 'track':
-          this._trackX(event);
-          break;
-        case 'start':
-          this._trackStart(event);
-          break;
-      }
-    },
-
-    _trackStart: function(e) {
-      this._w = this.$.sliderBar.offsetWidth;
-      this._x = this.ratio * this._w;
-      this._startx = this._x || 0;
-      this._minx = - this._startx;
-      this._maxx = this._w - this._startx;
-      this.$.sliderKnob.classList.add('dragging');
-      this._setDragging(true);
-      e.preventDefault();
-    },
-
-    _trackX: function(e) {
-      if (!this.dragging) {
-        this._trackStart(e);
-      }
-      var x = Math.min(this._maxx, Math.max(this._minx, e.detail.dx));
-      this._x = this._startx + x;
-      this._setImmediateValue(this._calcStep(
-          this._calcKnobPosition(this._x / this._w)) || 0);
-      var s =  this.$.sliderKnob.style;
-      s.transform = s.webkitTransform = 'translate3d(' + (this.snaps ?
-          (this._calcRatio(this.immediateValue) * this._w) - this._startx : x) + 'px, 0, 0)';
-    },
-
-    _trackEnd: function() {
-      var s =  this.$.sliderKnob.style;
-      s.transform = s.webkitTransform = '';
-      this.$.sliderKnob.classList.remove('dragging');
-      this._setDragging(false);
-      this._resetKnob();
-      this.value = this.immediateValue;
-      this.fire('change');
-    },
-
-    _knobdown: function(e) {
-      e.preventDefault();
-      this._expandKnob();
-    },
-
-    _bardown: function(e) {
-      e.preventDefault();
-      this._setTransiting(true);
-      this._w = this.$.sliderBar.offsetWidth;
-      var rect = this.$.sliderBar.getBoundingClientRect();
-      var ratio = (e.detail.x - rect.left) / this._w;
-      this._positionKnob(ratio);
-      this._expandJob = this.debounce(this._expandJob, this._expandKnob, 60);
-
-      this.async(function() {
-        this.fire('change');
-      });
-    },
-
-    _knobTransitionEnd: function(e) {
-      if (e.target === this.$.sliderKnob) {
-        this._setTransiting(false);
-      }
-    },
-
-    _maxMarkersChanged: function(maxMarkers) {
-      var l = (this.max - this.min) / this.step;
-      if (!this.snaps && l > maxMarkers) {
-        this._setMarkers([]);
-      } else {
-        this._setMarkers(new Array(l));
-      }
-    },
-
-    _getClassNames: function() {
-      var classes = {};
-
-      classes['disabled'] = this.disabled;
-      classes['pin'] = this.pin;
-      classes['snaps'] = this.snaps;
-      classes['ring'] = this.immediateValue <= this.min;
-      classes['expand'] = this.expand;
-      classes['dragging'] = this.dragging;
-      classes['transiting'] = this.transiting;
-      classes['editable'] = this.editable;
-
-      return Object.keys(classes).filter(
-        function(className) {
-          return classes[className];
-        }).join(' ');
-    },
-
-    _incrementKey: function(ev, keys) {
-      if (keys.key === 'end') {
-        this.value = this.max;
-      } else {
-        this.increment();
-      }
-      this.fire('change');
-    },
-
-    _decrementKey: function(ev, keys) {
-      if (keys.key === 'home') {
-        this.value = this.min;
-      } else {
-        this.decrement();
-      }
-      this.fire('change');
-    }
-  })