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diff --git a/contexts/data/lib/closure-library/closure/goog/ui/emoji/popupemojipicker.js b/contexts/data/lib/closure-library/closure/goog/ui/emoji/popupemojipicker.js
deleted file mode 100644
index 27aec03..0000000
--- a/contexts/data/lib/closure-library/closure/goog/ui/emoji/popupemojipicker.js
+++ /dev/null
@@ -1,410 +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 Popup Emoji Picker implementation. This provides a UI widget
- * for choosing an emoji from a grid of possible choices. The widget is a popup,
- * so it is suitable for a toolbar, for instance the TrogEdit toolbar.
- *
- * @see ../demos/popupemojipicker.html for an example of how to instantiate
- * an emoji picker.
- *
- * See goog.ui.emoji.EmojiPicker in emojipicker.js for more details.
- *
- * Based on goog.ui.PopupColorPicker (popupcolorpicker.js).
- *
- * @see ../../demos/popupemojipicker.html
- */
-
-goog.provide('goog.ui.emoji.PopupEmojiPicker');
-
-goog.require('goog.dom');
-goog.require('goog.events.EventType');
-goog.require('goog.positioning.AnchoredPosition');
-goog.require('goog.ui.Component');
-goog.require('goog.ui.Popup');
-goog.require('goog.ui.emoji.EmojiPicker');
-
-
-
-/**
- * Constructs a popup emoji picker widget.
- *
- * @param {string} defaultImgUrl Url of the img that should be used to fill up
- *     the cells in the emoji table, to prevent jittering. Should be the same
- *     size as the emoji.
- * @param {goog.dom.DomHelper=} opt_domHelper Optional DOM helper.
- * @extends {goog.ui.Component}
- * @constructor
- */
-goog.ui.emoji.PopupEmojiPicker =
-    function(defaultImgUrl, opt_domHelper) {
-  goog.ui.Component.call(this, opt_domHelper);
-
-  this.emojiPicker_ = new goog.ui.emoji.EmojiPicker(defaultImgUrl,
-                                                    opt_domHelper);
-  this.addChild(this.emojiPicker_);
-
-  this.getHandler().listen(this.emojiPicker_,
-      goog.ui.Component.EventType.ACTION, this.onEmojiPicked_);
-};
-goog.inherits(goog.ui.emoji.PopupEmojiPicker, goog.ui.Component);
-
-
-/**
- * Instance of an emoji picker control.
- * @type {goog.ui.emoji.EmojiPicker}
- * @private
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.emojiPicker_ = null;
-
-
-/**
- * Instance of goog.ui.Popup used to manage the behavior of the emoji picker.
- * @type {goog.ui.Popup}
- * @private
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.popup_ = null;
-
-
-/**
- * Reference to the element that triggered the last popup.
- * @type {Element}
- * @private
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.lastTarget_ = null;
-
-
-/**
- * Whether the emoji picker can accept focus.
- * @type {boolean}
- * @private
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.focusable_ = true;
-
-
-/**
- * If true, then the emojipicker will toggle off if it is already visible.
- * Default is true.
- * @type {boolean}
- * @private
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.toggleMode_ = true;
-
-
-/**
- * Adds a group of emoji to the picker.
- *
- * @param {string|Element} title Title for the group.
- * @param {Array.<Array>} emojiGroup A new group of emoji to be added. Each
- *    internal array contains [emojiUrl, emojiId].
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.addEmojiGroup =
-    function(title, emojiGroup) {
-  this.emojiPicker_.addEmojiGroup(title, emojiGroup);
-};
-
-
-/**
- * Sets whether the emoji picker should toggle if it is already open.
- * @param {boolean} toggle The toggle mode to use.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.setToggleMode = function(toggle) {
-  this.toggleMode_ = toggle;
-};
-
-
-/**
- * Gets whether the emojipicker is in toggle mode
- * @return {boolean} toggle.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.getToggleMode = function() {
-  return this.toggleMode_;
-};
-
-
-/**
- * Sets whether loading of images should be delayed until after dom creation.
- * Thus, this function must be called before {@link #createDom}. If set to true,
- * the client must call {@link #loadImages} when they wish the images to be
- * loaded.
- *
- * @param {boolean} shouldDelay Whether to delay loading the images.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.setDelayedLoad =
-    function(shouldDelay) {
-  if (this.emojiPicker_) {
-    this.emojiPicker_.setDelayedLoad(shouldDelay);
-  }
-};
-
-
-/**
- * Sets whether the emoji picker can accept focus.
- * @param {boolean} focusable Whether the emoji picker should accept focus.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.setFocusable = function(focusable) {
-  this.focusable_ = focusable;
-  if (this.emojiPicker_) {
-    // TODO(user): In next revision sort the behavior of passing state to
-    // children correctly
-    this.emojiPicker_.setFocusable(focusable);
-  }
-};
-
-
-/**
- * Sets the URL prefix for the emoji URLs.
- *
- * @param {string} urlPrefix Prefix that should be prepended to all URLs.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.setUrlPrefix = function(urlPrefix) {
-  this.emojiPicker_.setUrlPrefix(urlPrefix);
-};
-
-
-/**
- * Sets the location of the tabs in relation to the emoji grids. This should
- * only be called before the picker has been rendered.
- *
- * @param {goog.ui.TabPane.TabLocation} tabLocation The location of the tabs.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.setTabLocation =
-    function(tabLocation) {
-  this.emojiPicker_.setTabLocation(tabLocation);
-};
-
-
-/**
- * Sets the number of rows per grid in the emoji picker. This should only be
- * called before the picker has been rendered.
- *
- * @param {number} numRows Number of rows per grid.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.setNumRows = function(numRows) {
-  this.emojiPicker_.setNumRows(numRows);
-};
-
-
-/**
- * Sets the number of columns per grid in the emoji picker. This should only be
- * called before the picker has been rendered.
- *
- * @param {number} numCols Number of columns per grid.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.setNumColumns = function(numCols) {
-  this.emojiPicker_.setNumColumns(numCols);
-};
-
-
-/**
- * Sets the progressive rendering aspect of this emojipicker. Must be called
- * before createDom to have an effect.
- *
- * @param {boolean} progressive Whether the picker should render progressively.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.setProgressiveRender =
-    function(progressive) {
-  if (this.emojiPicker_) {
-    this.emojiPicker_.setProgressiveRender(progressive);
-  }
-};
-
-
-/**
- * Returns the number of emoji groups in this picker.
- *
- * @return {number} The number of emoji groups in this picker.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.getNumEmojiGroups = function() {
-  return this.emojiPicker_.getNumEmojiGroups();
-};
-
-
-/**
- * Causes the emoji imgs to be loaded into the picker. Used for delayed loading.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.loadImages = function() {
-  if (this.emojiPicker_) {
-    this.emojiPicker_.loadImages();
-  }
-};
-
-
-/** @override */
-goog.ui.emoji.PopupEmojiPicker.prototype.createDom = function() {
-  goog.ui.emoji.PopupEmojiPicker.superClass_.createDom.call(this);
-
-  this.emojiPicker_.createDom();
-
-  this.getElement().className = goog.getCssName('goog-ui-popupemojipicker');
-  this.getElement().appendChild(this.emojiPicker_.getElement());
-
-  this.popup_ = new goog.ui.Popup(this.getElement());
-  this.getElement().unselectable = 'on';
-};
-
-
-/** @override */
-goog.ui.emoji.PopupEmojiPicker.prototype.disposeInternal = function() {
-  goog.ui.emoji.PopupEmojiPicker.superClass_.disposeInternal.call(this);
-  this.emojiPicker_ = null;
-  this.lastTarget_ = null;
-  if (this.popup_) {
-    this.popup_.dispose();
-    this.popup_ = null;
-  }
-};
-
-
-/**
- * Attaches the popup emoji picker to an element.
- *
- * @param {Element} element The element to attach to.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.attach = function(element) {
-  // TODO(user): standardize event type, popups should use MOUSEDOWN, but
-  // currently apps are using click.
-  this.getHandler().listen(element, goog.events.EventType.CLICK, this.show_);
-};
-
-
-/**
- * Detatches the popup emoji picker from an element.
- *
- * @param {Element} element The element to detach from.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.detach = function(element) {
-  this.getHandler().unlisten(element, goog.events.EventType.CLICK, this.show_);
-};
-
-
-/**
- * @return {goog.ui.emoji.EmojiPicker} The emoji picker instance.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.getEmojiPicker = function() {
-  return this.emojiPicker_;
-};
-
-
-/**
- * Returns whether the Popup dismisses itself when the user clicks outside of
- * it.
- * @return {boolean} Whether the Popup autohides on an external click.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.getAutoHide = function() {
-  return !!this.popup_ && this.popup_.getAutoHide();
-};
-
-
-/**
- * Sets whether the Popup dismisses itself when the user clicks outside of it -
- * must be called after the Popup has been created (in createDom()),
- * otherwise it does nothing.
- *
- * @param {boolean} autoHide Whether to autohide on an external click.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.setAutoHide = function(autoHide) {
-  if (this.popup_) {
-    this.popup_.setAutoHide(autoHide);
-  }
-};
-
-
-/**
- * Returns the region inside which the Popup dismisses itself when the user
- * clicks, or null if it was not set. Null indicates the entire document is
- * the autohide region.
- * @return {Element} The DOM element for autohide, or null if it hasn't been
- *     set.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.getAutoHideRegion = function() {
-  return this.popup_ && this.popup_.getAutoHideRegion();
-};
-
-
-/**
- * Sets the region inside which the Popup dismisses itself when the user
- * clicks - must be called after the Popup has been created (in createDom()),
- * otherwise it does nothing.
- *
- * @param {Element} element The DOM element for autohide.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.setAutoHideRegion = function(element) {
-  if (this.popup_) {
-    this.popup_.setAutoHideRegion(element);
-  }
-};
-
-
-/**
- * Returns the {@link goog.ui.PopupBase} from this picker. Returns null if the
- * popup has not yet been created.
- *
- * NOTE: This should *ONLY* be called from tests. If called before createDom(),
- * this should return null.
- *
- * @return {goog.ui.PopupBase?} The popup, or null if it hasn't been created.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.getPopup = function() {
-  return this.popup_;
-};
-
-
-/**
- * @return {Element} The last element that triggered the popup.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.getLastTarget = function() {
-  return this.lastTarget_;
-};
-
-
-/**
- * @return {goog.ui.emoji.Emoji} The currently selected emoji.
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.getSelectedEmoji = function() {
-  return this.emojiPicker_.getSelectedEmoji();
-};
-
-
-/**
- * Handles click events on the element this picker is attached to and shows the
- * emoji picker in a popup.
- *
- * @param {goog.events.BrowserEvent} e The browser event.
- * @private
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.show_ = function(e) {
-  if (this.popup_.isOrWasRecentlyVisible() && this.toggleMode_ &&
-      this.lastTarget_ == e.currentTarget) {
-    this.popup_.setVisible(false);
-    return;
-  }
-
-  this.lastTarget_ = /** @type {Element} */ (e.currentTarget);
-  this.popup_.setPosition(new goog.positioning.AnchoredPosition(
-      this.lastTarget_, goog.positioning.Corner.BOTTOM_LEFT));
-  this.popup_.setVisible(true);
-};
-
-
-/**
- * Handles selection of an emoji.
- *
- * @param {goog.events.Event} e The event object.
- * @private
- */
-goog.ui.emoji.PopupEmojiPicker.prototype.onEmojiPicked_ = function(e) {
-  this.popup_.setVisible(false);
-};