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diff --git a/contexts/data/lib/closure-library/closure/goog/dom/iframe.js b/contexts/data/lib/closure-library/closure/goog/dom/iframe.js
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--- a/contexts/data/lib/closure-library/closure/goog/dom/iframe.js
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-// Copyright 2008 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 Utilities for creating and working with iframes
- * cross-browser.
- * @author gboyer@google.com (Garry Boyer)
- */
-
-
-goog.provide('goog.dom.iframe');
-
-goog.require('goog.dom');
-
-
-/**
- * Safe source for a blank iframe.
- *
- * Intentionally not about:blank, which gives mixed content warnings in IE6
- * over HTTPS.
- *
- * @type {string}
- */
-goog.dom.iframe.BLANK_SOURCE = 'javascript:""';
-
-
-/**
- * Styles to help ensure an undecorated iframe.
- * @type {string}
- * @private
- */
-goog.dom.iframe.STYLES_ = 'border:0;vertical-align:bottom;';
-
-
-/**
- * Creates a completely blank iframe element.
- *
- * The iframe will not caused mixed-content warnings for IE6 under HTTPS.
- * The iframe will also have no borders or padding, so that the styled width
- * and height will be the actual width and height of the iframe.
- *
- * This function currently only attempts to create a blank iframe. There
- * are no guarantees to the contents of the iframe or whether it is rendered
- * in quirks mode.
- *
- * @param {goog.dom.DomHelper} domHelper The dom helper to use.
- * @param {string=} opt_styles CSS styles for the iframe.
- * @return {!HTMLIFrameElement} A completely blank iframe.
- */
-goog.dom.iframe.createBlank = function(domHelper, opt_styles) {
- return /** @type {!HTMLIFrameElement} */ (domHelper.createDom('iframe', {
- 'frameborder': 0,
- // Since iframes are inline elements, we must align to bottom to
- // compensate for the line descent.
- 'style': goog.dom.iframe.STYLES_ + (opt_styles || ''),
- 'src': goog.dom.iframe.BLANK_SOURCE
- }));
-};
-
-
-/**
- * Writes the contents of a blank iframe that has already been inserted
- * into the document.
- * @param {!HTMLIFrameElement} iframe An iframe with no contents, such as
- * one created by goog.dom.iframe.createBlank, but already appended to
- * a parent document.
- * @param {string} content Content to write to the iframe, from doctype to
- * the HTML close tag.
- */
-goog.dom.iframe.writeContent = function(iframe, content) {
- var doc = goog.dom.getFrameContentDocument(iframe);
- doc.open();
- doc.write(content);
- doc.close();
-};
-
-
-// TODO(gboyer): Provide a higher-level API for the most common use case, so
-// that you can just provide a list of stylesheets and some content HTML.
-/**
- * Creates a same-domain iframe containing preloaded content.
- *
- * This is primarily useful for DOM sandboxing. One use case is to embed
- * a trusted Javascript app with potentially conflicting CSS styles. The
- * second case is to reduce the cost of layout passes by the browser -- for
- * example, you can perform sandbox sizing of characters in an iframe while
- * manipulating a heavy DOM in the main window. The iframe and parent frame
- * can access each others' properties and functions without restriction.
- *
- * @param {!Element} parentElement The parent element in which to append the
- * iframe.
- * @param {string=} opt_headContents Contents to go into the iframe's head.
- * @param {string=} opt_bodyContents Contents to go into the iframe's body.
- * @param {string=} opt_styles CSS styles for the iframe itself, before adding
- * to the parent element.
- * @param {boolean=} opt_quirks Whether to use quirks mode (false by default).
- * @return {HTMLIFrameElement} An iframe that has the specified contents.
- */
-goog.dom.iframe.createWithContent = function(
- parentElement, opt_headContents, opt_bodyContents, opt_styles, opt_quirks) {
- var domHelper = goog.dom.getDomHelper(parentElement);
- // Generate the HTML content.
- var contentBuf = [];
-
- if (!opt_quirks) {
- contentBuf.push('<!DOCTYPE html>');
- }
- contentBuf.push('<html><head>', opt_headContents, '</head><body>',
- opt_bodyContents, '</body></html>');
-
- var iframe = goog.dom.iframe.createBlank(domHelper, opt_styles);
-
- // Cannot manipulate iframe content until it is in a document.
- parentElement.appendChild(iframe);
- goog.dom.iframe.writeContent(iframe, contentBuf.join(''));
-
- return iframe;
-};