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diff --git a/contexts/data/lib/closure-library/closure/goog/db/objectstore.js b/contexts/data/lib/closure-library/closure/goog/db/objectstore.js
deleted file mode 100644
index e9f504a..0000000
--- a/contexts/data/lib/closure-library/closure/goog/db/objectstore.js
+++ /dev/null
@@ -1,401 +0,0 @@
-// Copyright 2011 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 Wrapper for an IndexedDB object store.
- *
- */
-
-
-goog.provide('goog.db.ObjectStore');
-
-goog.require('goog.async.Deferred');
-goog.require('goog.db.Cursor');
-goog.require('goog.db.Error');
-goog.require('goog.db.Index');
-goog.require('goog.debug');
-goog.require('goog.events');
-
-
-
-/**
- * Creates an IDBObjectStore wrapper object. Object stores have methods for
- * storing and retrieving records, and are accessed through a transaction
- * object. They also have methods for creating indexes associated with the
- * object store. They can only be created when setting the version of the
- * database. Should not be created directly, access object stores through
- * transactions.
- * @see goog.db.IndexedDb#setVersion
- * @see goog.db.Transaction#objectStore
- *
- * @param {!IDBObjectStore} store The backing IndexedDb object.
- * @constructor
- */
-goog.db.ObjectStore = function(store) {
-  /**
-   * Underlying IndexedDB object store object.
-   *
-   * @type {!IDBObjectStore}
-   * @private
-   */
-  this.store_ = store;
-};
-
-
-/**
- * @return {string} The name of the object store.
- */
-goog.db.ObjectStore.prototype.getName = function() {
-  return this.store_.name;
-};
-
-
-/**
- * Helper function for put and add.
- *
- * @param {string} fn Function name to call on the object store.
- * @param {string} msg Message to give to the error.
- * @param {!Object} value Value to insert into the object store.
- * @param {!Object=} opt_key The key to use.
- * @return {!goog.async.Deferred} The resulting deferred request.
- * @private
- */
-goog.db.ObjectStore.prototype.insert_ = function(fn, msg, value, opt_key) {
-  // TODO(user): refactor wrapping an IndexedDB request in a Deferred by
-  // creating a higher-level abstraction for it (mostly affects here and
-  // goog.db.Index)
-  var d = new goog.async.Deferred();
-  var request;
-  try {
-    // put or add with (value, undefined) throws an error, so we need to check
-    // for undefined ourselves
-    if (opt_key) {
-      request = this.store_[fn](value, opt_key);
-    } else {
-      request = this.store_[fn](value);
-    }
-  } catch (err) {
-    msg += goog.debug.deepExpose(value);
-    if (opt_key) {
-      msg += ', with key ' + goog.debug.deepExpose(opt_key);
-    }
-    d.errback(new goog.db.Error(err.code, msg));
-    return d;
-  }
-  request.onsuccess = function(ev) {
-    d.callback();
-  };
-  var self = this;
-  request.onerror = function(ev) {
-    msg += goog.debug.deepExpose(value);
-    if (opt_key) {
-      msg += ', with key ' + goog.debug.deepExpose(opt_key);
-    }
-    d.errback(new goog.db.Error(
-        (/** @type {IDBRequest} */ (ev.target)).errorCode,
-        msg));
-  };
-  return d;
-};
-
-
-/**
- * Adds an object to the object store. Replaces existing objects with the
- * same key.
- *
- * @param {!Object} value The value to put.
- * @param {!Object=} opt_key The key to use. Cannot be used if the keyPath was
- *     specified for the object store. If the keyPath was not specified but
- *     autoIncrement was not enabled, it must be used.
- * @return {!goog.async.Deferred} The deferred put request.
- */
-goog.db.ObjectStore.prototype.put = function(value, opt_key) {
-  return this.insert_(
-      'put',
-      'putting into ' + this.getName() + ' with value',
-      value,
-      opt_key);
-};
-
-
-/**
- * Adds an object to the object store. Requires that there is no object with
- * the same key already present.
- *
- * @param {!Object} value The value to add.
- * @param {!Object=} opt_key The key to use. Cannot be used if the keyPath was
- *     specified for the object store. If the keyPath was not specified but
- *     autoIncrement was not enabled, it must be used.
- * @return {!goog.async.Deferred} The deferred add request.
- */
-goog.db.ObjectStore.prototype.add = function(value, opt_key) {
-  return this.insert_(
-      'add',
-      'adding into ' + this.getName() + ' with value ',
-      value,
-      opt_key);
-};
-
-
-/**
- * Removes an object from the store. No-op if there is no object present with
- * the given key.
- *
- * @param {!Object} key The key to remove objects under.
- * @return {!goog.async.Deferred} The deferred remove request.
- */
-goog.db.ObjectStore.prototype.remove = function(key) {
-  var d = new goog.async.Deferred();
-  var request;
-  try {
-    request = this.store_['delete'](key);
-  } catch (err) {
-    var msg = 'removing from ' + this.getName() + ' with key ' +
-        goog.debug.deepExpose(key);
-    d.errback(new goog.db.Error(err.code, msg));
-    return d;
-  }
-  request.onsuccess = function(ev) {
-    d.callback();
-  };
-  var self = this;
-  request.onerror = function(ev) {
-    var msg = 'removing from ' + self.getName() + ' with key ' +
-        goog.debug.deepExpose(key);
-    d.errback(new goog.db.Error(
-        (/** @type {IDBRequest} */ (ev.target)).errorCode,
-        msg));
-  };
-  return d;
-};
-
-
-/**
- * Gets an object from the store. If no object is present with that key
- * the result is {@code undefined}.
- *
- * @param {!Object} key The key to look up.
- * @return {!goog.async.Deferred} The deferred get request.
- */
-goog.db.ObjectStore.prototype.get = function(key) {
-  var d = new goog.async.Deferred();
-  var request;
-  try {
-    request = this.store_.get(key);
-  } catch (err) {
-    var msg = 'getting from ' + this.getName() + ' with key ' +
-        goog.debug.deepExpose(key);
-    d.errback(new goog.db.Error(err.code, msg));
-    return d;
-  }
-  request.onsuccess = function(ev) {
-    d.callback(ev.target.result);
-  };
-  var self = this;
-  request.onerror = function(ev) {
-    var msg = 'getting from ' + self.getName() + ' with key ' +
-        goog.debug.deepExpose(key);
-    d.errback(new goog.db.Error(
-        (/** @type {IDBRequest} */ (ev.target)).errorCode,
-        msg));
-  };
-  return d;
-};
-
-
-/**
- * Gets all objects from the store and returns them as an array.
- *
- * @param {!goog.db.KeyRange=} opt_range The key range. If undefined iterates
- *     over the whole object store.
- * @param {!goog.db.Cursor.Direction=} opt_direction The direction. If undefined
- *     moves in a forward direction with duplicates.
- * @return {!goog.async.Deferred} The deferred getAll request.
- */
-goog.db.ObjectStore.prototype.getAll = function(opt_range, opt_direction) {
-  var d = new goog.async.Deferred();
-  var cursor;
-  try {
-    cursor = this.openCursor(opt_range, opt_direction);
-  } catch (err) {
-    d.errback(err);
-    return d;
-  }
-
-  var result = [];
-  var key = goog.events.listen(
-      cursor, goog.db.Cursor.EventType.NEW_DATA, function() {
-        result.push(cursor.getValue());
-        cursor.next();
-      });
-
-  goog.events.listenOnce(cursor, [
-    goog.db.Cursor.EventType.ERROR,
-    goog.db.Cursor.EventType.COMPLETE
-  ], function(evt) {
-    goog.events.unlistenByKey(key);
-    if (evt.type == goog.db.Cursor.EventType.COMPLETE) {
-      d.callback(result);
-    } else {
-      d.errback();
-    }
-  });
-  return d;
-};
-
-
-/**
- * Opens a cursor over the specified key range. Returns a cursor object which is
- * able to iterate over the given range.
- *
- * Example usage:
- *
- * <code>
- *  var cursor = objectStore.openCursor(goog.db.Range.bound('a', 'c'));
- *
- *  var key = goog.events.listen(
- *      cursor, goog.db.Cursor.EventType.NEW_DATA, function() {
- *    // Do something with data.
- *    cursor.next();
- *  });
- *
- *  goog.events.listenOnce(
- *      cursor, goog.db.Cursor.EventType.COMPLETE, function() {
- *    // Clean up listener, and perform a finishing operation on the data.
- *    goog.events.unlistenByKey(key);
- *  });
- * </code>
- *
- * @param {!goog.db.KeyRange=} opt_range The key range. If undefined iterates
- *     over the whole object store.
- * @param {!goog.db.Cursor.Direction=} opt_direction The direction. If undefined
- *     moves in a forward direction with duplicates.
- * @return {!goog.db.Cursor} The cursor.
- * @throws {goog.db.Error} If there was a problem opening the cursor.
- * @suppress {accessControls}
- */
-goog.db.ObjectStore.prototype.openCursor = function(opt_range, opt_direction) {
-  var msg = 'opening cursor ' + this.getName();
-  var cursor = new goog.db.Cursor();
-  var request;
-
-  try {
-    var range = opt_range ? opt_range.range_ : null;
-    if (opt_direction) {
-      request = this.store_.openCursor(range, opt_direction);
-    } else {
-      request = this.store_.openCursor(range);
-    }
-  } catch (err) {
-    throw new goog.db.Error(err.code, msg);
-  }
-  request.onsuccess = function(ev) {
-    cursor.cursor_ = ev.target.result || null;
-    if (cursor.cursor_) {
-      cursor.dispatchEvent(goog.db.Cursor.EventType.NEW_DATA);
-    } else {
-      cursor.dispatchEvent(goog.db.Cursor.EventType.COMPLETE);
-    }
-  };
-  request.onerror = function(ev) {
-    cursor.dispatchEvent(goog.db.Cursor.EventType.ERROR);
-  };
-  return cursor;
-};
-
-
-/**
- * Deletes all objects from the store.
- *
- * @return {!goog.async.Deferred} The deferred clear request.
- */
-goog.db.ObjectStore.prototype.clear = function() {
-  var msg = 'clearing store ' + this.getName();
-  var d = new goog.async.Deferred();
-  var request;
-  try {
-    request = this.store_.clear();
-  } catch (err) {
-    d.errback(new goog.db.Error(err.code, msg));
-    return d;
-  }
-  request.onsuccess = function(ev) {
-    d.callback();
-  };
-  request.onerror = function(ev) {
-    d.errback(new goog.db.Error(
-        (/** @type {IDBRequest} */ (ev.target)).errorCode,
-        msg));
-  };
-  return d;
-};
-
-
-/**
- * Creates an index in this object store. Can only be called inside the callback
- * for the Deferred returned from goog.db.IndexedDb#setVersion.
- *
- * @param {string} name Name of the index to create.
- * @param {string} keyPath Attribute to index on.
- * @param {!Object=} opt_parameters Optional parameters object. The only
- *     available option is unique, which defaults to false. If unique is true,
- *     the index will enforce that there is only ever one object in the object
- *     store for each unique value it indexes on.
- * @return {goog.db.Index} The newly created, wrapped index.
- * @throws {goog.db.Error} In case of an error creating the index.
- */
-goog.db.ObjectStore.prototype.createIndex = function(
-    name, keyPath, opt_parameters) {
-  try {
-    return new goog.db.Index(this.store_.createIndex(
-        name, keyPath, opt_parameters));
-  } catch (err) {
-    var msg = 'creating new index ' + name + ' with key path ' + keyPath;
-    throw new goog.db.Error(err.code, msg);
-  }
-};
-
-
-/**
- * Gets an index.
- *
- * @param {string} name Name of the index to fetch.
- * @return {goog.db.Index} The requested wrapped index.
- * @throws {goog.db.Error} In case of an error getting the index.
- */
-goog.db.ObjectStore.prototype.getIndex = function(name) {
-  try {
-    return new goog.db.Index(this.store_.index(name));
-  } catch (err) {
-    var msg = 'getting index ' + name;
-    throw new goog.db.Error(err.code, msg);
-  }
-};
-
-
-/**
- * Deletes an index from the object store. Can only be called inside the
- * callback for the Deferred returned from goog.db.IndexedDb#setVersion.
- *
- * @param {string} name Name of the index to delete.
- * @throws {goog.db.Error} In case of an error deleting the index.
- */
-goog.db.ObjectStore.prototype.deleteIndex = function(name) {
-  try {
-    this.store_.deleteIndex(name);
-  } catch (err) {
-    var msg = 'deleting index ' + name;
-    throw new goog.db.Error(err.code, msg);
-  }
-};