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diff --git a/contexts/data/lib/closure-library/closure/goog/demos/samplecomponent.js b/contexts/data/lib/closure-library/closure/goog/demos/samplecomponent.js
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index 0bd093b..0000000
--- a/contexts/data/lib/closure-library/closure/goog/demos/samplecomponent.js
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@@ -1,204 +0,0 @@
-// Copyright 2007 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS-IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-/**
- * @fileoverview A simple, sample component.
- *
- */
-goog.provide('goog.demos.SampleComponent');
-
-goog.require('goog.dom');
-goog.require('goog.dom.classes');
-goog.require('goog.events.EventHandler');
-goog.require('goog.events.EventType');
-goog.require('goog.events.KeyCodes');
-goog.require('goog.events.KeyHandler');
-goog.require('goog.events.KeyHandler.EventType');
-goog.require('goog.ui.Component');
-
-
-
-/**
- * A simple box that changes colour when clicked. This class demonstrates the
- * goog.ui.Component API, and is keyboard accessible, as per
- * http://wiki/Main/ClosureKeyboardAccessible
- *
- * @param {string=} opt_label A label to display. Defaults to "Click Me" if none
- *     provided.
- * @param {goog.dom.DomHelper=} opt_domHelper DOM helper to use.
- *
- * @extends {goog.ui.Component}
- * @constructor
- */
-goog.demos.SampleComponent = function(opt_label, opt_domHelper) {
-  goog.ui.Component.call(this, opt_domHelper);
-
-  /**
-   * The label to display.
-   * @type {string}
-   * @private
-   */
-  this.initialLabel_ = opt_label || 'Click Me';
-
-  /**
-   * The current color.
-   * @type {string}
-   * @private
-   */
-  this.color_ = 'red';
-
-  /**
-   * Event handler for this object.
-   * @type {goog.events.EventHandler}
-   * @private
-   */
-  this.eh_ = new goog.events.EventHandler(this);
-
-  /**
-   * Keyboard handler for this object. This object is created once the
-   * component's DOM element is known.
-   *
-   * @type {goog.events.KeyHandler?}
-   * @private
-   */
-  this.kh_ = null;
-};
-goog.inherits(goog.demos.SampleComponent, goog.ui.Component);
-
-
-/**
- * Changes the color of the element.
- * @private
- */
-goog.demos.SampleComponent.prototype.changeColor_ = function() {
-  if (this.color_ == 'red') {
-    this.color_ = 'green';
-  } else if (this.color_ == 'green') {
-    this.color_ = 'blue';
-  } else {
-    this.color_ = 'red';
-  }
-  this.getElement().style.backgroundColor = this.color_;
-};
-
-
-/**
- * Creates an initial DOM representation for the component.
- */
-goog.demos.SampleComponent.prototype.createDom = function() {
-  this.decorateInternal(this.dom_.createElement('div'));
-};
-
-
-/**
- * Decorates an existing HTML DIV element as a SampleComponent.
- *
- * @param {Element} element The DIV element to decorate. The element's
- *    text, if any will be used as the component's label.
- */
-goog.demos.SampleComponent.prototype.decorateInternal = function(element) {
-  goog.demos.SampleComponent.superClass_.decorateInternal.call(this, element);
-  if (!this.getLabelText()) {
-    this.setLabelText(this.initialLabel_);
-  }
-
-  var elem = this.getElement();
-  goog.dom.classes.add(elem, goog.getCssName('goog-sample-component'));
-  elem.style.backgroundColor = this.color_;
-  elem.tabIndex = 0;
-
-  this.kh_ = new goog.events.KeyHandler(elem);
-  this.eh_.listen(this.kh_, goog.events.KeyHandler.EventType.KEY, this.onKey_);
-};
-
-
-/** @override */
-goog.demos.SampleComponent.prototype.disposeInternal = function() {
-  goog.demos.SampleComponent.superClass_.disposeInternal.call(this);
-  this.eh_.dispose();
-  if (this.kh_) {
-    this.kh_.dispose();
-  }
-};
-
-
-/**
- * Called when component's element is known to be in the document.
- */
-goog.demos.SampleComponent.prototype.enterDocument = function() {
-  goog.demos.SampleComponent.superClass_.enterDocument.call(this);
-  this.eh_.listen(this.getElement(), goog.events.EventType.CLICK,
-      this.onDivClicked_);
-};
-
-
-/**
- * Called when component's element is known to have been removed from the
- * document.
- */
-goog.demos.SampleComponent.prototype.exitDocument = function() {
-  goog.demos.SampleComponent.superClass_.exitDocument.call(this);
-  this.eh_.unlisten(this.getElement(), goog.events.EventType.CLICK,
-      this.onDivClicked_);
-};
-
-
-/**
- * Gets the current label text.
- *
- * @return {string} The current text set into the label, or empty string if
- *     none set.
- */
-goog.demos.SampleComponent.prototype.getLabelText = function() {
-  if (!this.getElement()) {
-    return '';
-  }
-  return goog.dom.getTextContent(this.getElement());
-};
-
-
-/**
- * Handles DIV element clicks, causing the DIV's colour to change.
- * @param {goog.events.Event} event The click event.
- * @private
- */
-goog.demos.SampleComponent.prototype.onDivClicked_ = function(event) {
-  this.changeColor_();
-};
-
-
-/**
- * Fired when user presses a key while the DIV has focus. If the user presses
- * space or enter, the color will be changed.
- * @param {goog.events.Event} event The key event.
- * @private
- */
-goog.demos.SampleComponent.prototype.onKey_ = function(event) {
-  var keyCodes = goog.events.KeyCodes;
-  if (event.keyCode == keyCodes.SPACE || event.keyCode == keyCodes.ENTER) {
-    this.changeColor_();
-  }
-};
-
-
-/**
- * Sets the current label text. Has no effect if component is not rendered.
- *
- * @param {string} text The text to set as the label.
- */
-goog.demos.SampleComponent.prototype.setLabelText = function(text) {
-  if (this.getElement()) {
-    goog.dom.setTextContent(this.getElement(), text);
-  }
-};