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diff --git a/contexts/data/lib/closure-library/closure/goog/structs/pool.js b/contexts/data/lib/closure-library/closure/goog/structs/pool.js
deleted file mode 100644
index ba69dd0..0000000
--- a/contexts/data/lib/closure-library/closure/goog/structs/pool.js
+++ /dev/null
@@ -1,381 +0,0 @@
-// Copyright 2006 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 Datastructure: Pool.
- *
- *
- * A generic class for handling pools of objects.
- * When an object is released, it is attempted to be reused.
- */
-
-
-goog.provide('goog.structs.Pool');
-
-goog.require('goog.Disposable');
-goog.require('goog.structs.Queue');
-goog.require('goog.structs.Set');
-
-
-
-/**
- * A generic pool class. If min is greater than max, an error is thrown.
- * @param {number=} opt_minCount Min. number of objects (Default: 1).
- * @param {number=} opt_maxCount Max. number of objects (Default: 10).
- * @constructor
- * @extends {goog.Disposable}
- */
-goog.structs.Pool = function(opt_minCount, opt_maxCount) {
-  goog.Disposable.call(this);
-
-  /**
-   * Minimum number of objects allowed
-   * @type {number}
-   * @private
-   */
-  this.minCount_ = opt_minCount || 0;
-
-  /**
-   * Maximum number of objects allowed
-   * @type {number}
-   * @private
-   */
-  this.maxCount_ = opt_maxCount || 10;
-
-  // Make sure that the max and min constraints are valid.
-  if (this.minCount_ > this.maxCount_) {
-    throw Error(goog.structs.Pool.ERROR_MIN_MAX_);
-  }
-
-  /**
-   * Set used to store objects that are currently in the pool and available
-   * to be used.
-   * @type {goog.structs.Queue}
-   * @private
-   */
-  this.freeQueue_ = new goog.structs.Queue();
-
-  /**
-   * Set used to store objects that are currently in the pool and in use.
-   * @type {goog.structs.Set}
-   * @private
-   */
-  this.inUseSet_ = new goog.structs.Set();
-
-  /**
-   * The minimum delay between objects being made available, in milliseconds. If
-   * this is 0, no minimum delay is enforced.
-   * @type {number}
-   * @protected
-   */
-  this.delay = 0;
-
-  /**
-   * The time of the last object being made available, in milliseconds since the
-   * epoch (i.e., the result of Date#toTime). If this is null, no access has
-   * occurred yet.
-   * @type {number?}
-   * @protected
-   */
-  this.lastAccess = null;
-
-  // Make sure that the minCount constraint is satisfied.
-  this.adjustForMinMax();
-
-
-  // TODO(user): Remove once JSCompiler's undefined properties warnings
-  // don't error for guarded properties.
-  var magicProps = {canBeReused: 0};
-};
-goog.inherits(goog.structs.Pool, goog.Disposable);
-
-
-/**
- * Error to throw when the max/min constraint is attempted to be invalidated.
- * I.e., when it is attempted for maxCount to be less than minCount.
- * @type {string}
- * @private
- */
-goog.structs.Pool.ERROR_MIN_MAX_ =
-    '[goog.structs.Pool] Min can not be greater than max';
-
-
-/**
- * Error to throw when the Pool is attempted to be disposed and it is asked to
- * make sure that there are no objects that are in use (i.e., haven't been
- * released).
- * @type {string}
- * @private
- */
-goog.structs.Pool.ERROR_DISPOSE_UNRELEASED_OBJS_ =
-    '[goog.structs.Pool] Objects not released';
-
-
-/**
- * Sets the minimum count of the pool.
- * If min is greater than the max count of the pool, an error is thrown.
- * @param {number} min The minimum count of the pool.
- */
-goog.structs.Pool.prototype.setMinimumCount = function(min) {
-  // Check count constraints.
-  if (min > this.maxCount_) {
-    throw Error(goog.structs.Pool.ERROR_MIN_MAX_);
-  }
-  this.minCount_ = min;
-
-  // Adjust the objects in the pool as needed.
-  this.adjustForMinMax();
-};
-
-
-/**
- * Sets the maximum count of the pool.
- * If max is less than the max count of the pool, an error is thrown.
- * @param {number} max The maximium count of the pool.
- */
-goog.structs.Pool.prototype.setMaximumCount = function(max) {
-  // Check count constraints.
-  if (max < this.minCount_) {
-    throw Error(goog.structs.Pool.ERROR_MIN_MAX_);
-  }
-  this.maxCount_ = max;
-
-  // Adjust the objects in the pool as needed.
-  this.adjustForMinMax();
-};
-
-
-/**
- * Sets the minimum delay between objects being returned by getObject, in
- * milliseconds. This defaults to zero, meaning that no minimum delay is
- * enforced and objects may be used as soon as they're available.
- * @param {number} delay The minimum delay, in milliseconds.
- */
-goog.structs.Pool.prototype.setDelay = function(delay) {
-  this.delay = delay;
-};
-
-
-/**
- * @return {Object|undefined} A new object from the pool if there is one
- *     available, otherwise undefined.
- */
-goog.structs.Pool.prototype.getObject = function() {
-  var time = goog.now();
-  if (goog.isDefAndNotNull(this.lastAccess) &&
-      time - this.lastAccess < this.delay) {
-    return undefined;
-  }
-
-  var obj = this.removeFreeObject_();
-  if (obj) {
-    this.lastAccess = time;
-    this.inUseSet_.add(obj);
-  }
-
-  return obj;
-};
-
-
-/**
- * Returns an object to the pool of available objects so that it can be reused.
- * @param {Object} obj The object to return to the pool of free objects.
- * @return {boolean} Whether the object was found in the Pool's set of in-use
- *     objects (in other words, whether any action was taken).
- */
-goog.structs.Pool.prototype.releaseObject = function(obj) {
-  if (this.inUseSet_.remove(obj)) {
-    this.addFreeObject(obj);
-    return true;
-  }
-  return false;
-};
-
-
-/**
- * Removes a free object from the collection of objects that are free so that it
- * can be used.
- *
- * NOTE: This method does not mark the returned object as in use.
- *
- * @return {Object|undefined} The object removed from the free collection, if
- *     there is one available. Otherwise, undefined.
- * @private
- */
-goog.structs.Pool.prototype.removeFreeObject_ = function() {
-  var obj;
-  while (this.getFreeCount() > 0) {
-    obj = /** @type {Object} */(this.freeQueue_.dequeue());
-
-    if (!this.objectCanBeReused(obj)) {
-      this.adjustForMinMax();
-    } else {
-      break;
-    }
-  }
-
-  if (!obj && this.getCount() < this.maxCount_) {
-    obj = this.createObject();
-  }
-
-  return obj;
-};
-
-
-/**
- * Adds an object to the collection of objects that are free. If the object can
- * not be added, then it is disposed.
- *
- * @param {Object} obj The object to add to collection of free objects.
- */
-goog.structs.Pool.prototype.addFreeObject = function(obj) {
-  this.inUseSet_.remove(obj);
-  if (this.objectCanBeReused(obj) && this.getCount() < this.maxCount_) {
-    this.freeQueue_.enqueue(obj);
-  } else {
-    this.disposeObject(obj);
-  }
-};
-
-
-/**
- * Adjusts the objects held in the pool to be within the min/max constraints.
- *
- * NOTE: It is possible that the number of objects in the pool will still be
- * greater than the maximum count of objects allowed. This will be the case
- * if no more free objects can be disposed of to get below the minimum count
- * (i.e., all objects are in use).
- */
-goog.structs.Pool.prototype.adjustForMinMax = function() {
-  var freeQueue = this.freeQueue_;
-
-  // Make sure the at least the minimum number of objects are created.
-  while (this.getCount() < this.minCount_) {
-    freeQueue.enqueue(this.createObject());
-  }
-
-  // Make sure no more than the maximum number of objects are created.
-  while (this.getCount() > this.maxCount_ && this.getFreeCount() > 0) {
-    this.disposeObject(/** @type {Object} */(freeQueue.dequeue()));
-  }
-};
-
-
-/**
- * Should be overriden by sub-classes to return an instance of the object type
- * that is expected in the pool.
- * @return {Object} The created object.
- */
-goog.structs.Pool.prototype.createObject = function() {
-  return {};
-};
-
-
-/**
- * Should be overriden to dispose of an object. Default implementation is to
- * remove all its members, which should render it useless. Calls the object's
- * {@code dispose()} method, if available.
- * @param {Object} obj The object to dispose.
- */
-goog.structs.Pool.prototype.disposeObject = function(obj) {
-  if (typeof obj.dispose == 'function') {
-    obj.dispose();
-  } else {
-    for (var i in obj) {
-      obj[i] = null;
-    }
-  }
-};
-
-
-/**
- * Should be overriden to determine whether an object has become unusable and
- * should not be returned by getObject(). Calls the object's
- * {@code canBeReused()}  method, if available.
- * @param {Object} obj The object to test.
- * @return {boolean} Whether the object can be reused.
- */
-goog.structs.Pool.prototype.objectCanBeReused = function(obj) {
-  if (typeof obj.canBeReused == 'function') {
-    return obj.canBeReused();
-  }
-  return true;
-};
-
-
-/**
- * Returns true if the given object is in the pool.
- * @param {Object} obj The object to check the pool for.
- * @return {boolean} Whether the pool contains the object.
- */
-goog.structs.Pool.prototype.contains = function(obj) {
-  return this.freeQueue_.contains(obj) || this.inUseSet_.contains(obj);
-};
-
-
-/**
- * Returns the number of objects currently in the pool.
- * @return {number} Number of objects currently in the pool.
- */
-goog.structs.Pool.prototype.getCount = function() {
-  return this.freeQueue_.getCount() + this.inUseSet_.getCount();
-};
-
-
-/**
- * Returns the number of objects currently in use in the pool.
- * @return {number} Number of objects currently in use in the pool.
- */
-goog.structs.Pool.prototype.getInUseCount = function() {
-  return this.inUseSet_.getCount();
-};
-
-
-/**
- * Returns the number of objects currently free in the pool.
- * @return {number} Number of objects currently free in the pool.
- */
-goog.structs.Pool.prototype.getFreeCount = function() {
-  return this.freeQueue_.getCount();
-};
-
-
-/**
- * Determines if the pool contains no objects.
- * @return {boolean} Whether the pool contains no objects.
- */
-goog.structs.Pool.prototype.isEmpty = function() {
-  return this.freeQueue_.isEmpty() && this.inUseSet_.isEmpty();
-};
-
-
-/**
- * Disposes of the pool and all objects currently held in the pool.
- * @override
- * @protected
- */
-goog.structs.Pool.prototype.disposeInternal = function() {
-  goog.structs.Pool.superClass_.disposeInternal.call(this);
-  if (this.getInUseCount() > 0) {
-    throw Error(goog.structs.Pool.ERROR_DISPOSE_UNRELEASED_OBJS_);
-  }
-  delete this.inUseSet_;
-
-  // Call disposeObject on each object held by the pool.
-  var freeQueue = this.freeQueue_;
-  while (!freeQueue.isEmpty()) {
-    this.disposeObject(/** @type {Object} */ (freeQueue.dequeue()));
-  }
-  delete this.freeQueue_;
-};