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diff --git a/contexts/data/lib/closure-library/closure/goog/fs/filesaver.js b/contexts/data/lib/closure-library/closure/goog/fs/filesaver.js
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@@ -1,176 +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 A wrapper for the HTML5 FileSaver object.
- *
- */
-
-goog.provide('goog.fs.FileSaver');
-goog.provide('goog.fs.FileSaver.EventType');
-goog.provide('goog.fs.FileSaver.ProgressEvent');
-goog.provide('goog.fs.FileSaver.ReadyState');
-
-goog.require('goog.events.Event');
-goog.require('goog.events.EventTarget');
-goog.require('goog.fs.Error');
-goog.require('goog.fs.ProgressEvent');
-
-
-
-/**
- * An object for monitoring the saving of files. This emits ProgressEvents of
- * the types listed in {@link goog.fs.FileSaver.EventType}.
- *
- * This should not be instantiated directly. Instead, its subclass
- * {@link goog.fs.FileWriter} should be accessed via
- * {@link goog.fs.FileEntry#createWriter}.
- *
- * @param {!FileSaver} fileSaver The underlying FileSaver object.
- * @constructor
- * @extends {goog.events.EventTarget}
- */
-goog.fs.FileSaver = function(fileSaver) {
- goog.base(this);
-
- /**
- * The underlying FileSaver object.
- *
- * @type {!FileSaver}
- * @private
- */
- this.saver_ = fileSaver;
-
- this.saver_.onwritestart = goog.bind(this.dispatchProgressEvent_, this);
- this.saver_.onprogress = goog.bind(this.dispatchProgressEvent_, this);
- this.saver_.onwrite = goog.bind(this.dispatchProgressEvent_, this);
- this.saver_.onabort = goog.bind(this.dispatchProgressEvent_, this);
- this.saver_.onerror = goog.bind(this.dispatchProgressEvent_, this);
- this.saver_.onwriteend = goog.bind(this.dispatchProgressEvent_, this);
-};
-goog.inherits(goog.fs.FileSaver, goog.events.EventTarget);
-
-
-/**
- * Possible states for a FileSaver.
- *
- * @enum {number}
- */
-goog.fs.FileSaver.ReadyState = {
- /**
- * The object has been constructed, but there is no pending write.
- */
- INIT: 0,
- /**
- * Data is being written.
- */
- WRITING: 1,
- /**
- * The data has been written to the file, the write was aborted, or an error
- * occurred.
- */
- DONE: 2
-};
-
-
-/**
- * Events emitted by a FileSaver.
- *
- * @enum {string}
- */
-goog.fs.FileSaver.EventType = {
- /**
- * Emitted when the writing begins. readyState will be WRITING.
- */
- WRITE_START: 'writestart',
- /**
- * Emitted when progress has been made in saving the file. readyState will be
- * WRITING.
- */
- PROGRESS: 'progress',
- /**
- * Emitted when the data has been successfully written. readyState will be
- * WRITING.
- */
- WRITE: 'write',
- /**
- * Emitted when the writing has been aborted. readyState will be WRITING.
- */
- ABORT: 'abort',
- /**
- * Emitted when an error is encountered or the writing has been aborted.
- * readyState will be WRITING.
- */
- ERROR: 'error',
- /**
- * Emitted when the writing is finished, whether successfully or not.
- * readyState will be DONE.
- */
- WRITE_END: 'writeend'
-};
-
-
-/**
- * Abort the writing of the file.
- */
-goog.fs.FileSaver.prototype.abort = function() {
- try {
- this.saver_.abort();
- } catch (e) {
- throw new goog.fs.Error(e.code, 'aborting save');
- }
-};
-
-
-/**
- * @return {goog.fs.FileSaver.ReadyState} The current state of the FileSaver.
- */
-goog.fs.FileSaver.prototype.getReadyState = function() {
- return /** @type {goog.fs.FileSaver.ReadyState} */ (this.saver_.readyState);
-};
-
-
-/**
- * @return {goog.fs.Error} The error encountered while writing, if any.
- */
-goog.fs.FileSaver.prototype.getError = function() {
- return this.saver_.error &&
- new goog.fs.Error(this.saver_.error.code, 'saving file');
-};
-
-
-/**
- * Wrap a progress event emitted by the underlying file saver and re-emit it.
- *
- * @param {!ProgressEvent} event The underlying event.
- * @private
- */
-goog.fs.FileSaver.prototype.dispatchProgressEvent_ = function(event) {
- this.dispatchEvent(new goog.fs.ProgressEvent(event, this));
-};
-
-
-/** @override */
-goog.fs.FileSaver.prototype.disposeInternal = function() {
- delete this.saver_;
- goog.base(this, 'disposeInternal');
-};
-
-
-/**
- * A wrapper for the progress events emitted by the FileSaver.
- *
- * @deprecated Use {goog.fs.ProgressEvent}.
- */
-goog.fs.FileSaver.ProgressEvent = goog.fs.ProgressEvent;