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diff --git a/contexts/data/lib/closure-library/closure/goog/ui/flatbuttonrenderer.js b/contexts/data/lib/closure-library/closure/goog/ui/flatbuttonrenderer.js
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--- a/contexts/data/lib/closure-library/closure/goog/ui/flatbuttonrenderer.js
+++ /dev/null
@@ -1,143 +0,0 @@
-// 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 Similiar functionality of {@link goog.ui.ButtonRenderer},
- * but uses a <div> element instead of a <button> or <input> element.
- *
- */
-
-goog.provide('goog.ui.FlatButtonRenderer');
-
-goog.require('goog.dom.classes');
-goog.require('goog.ui.Button');
-goog.require('goog.ui.ButtonRenderer');
-goog.require('goog.ui.INLINE_BLOCK_CLASSNAME');
-goog.require('goog.ui.registry');
-
-
-
-/**
- * Flat renderer for {@link goog.ui.Button}s. Flat buttons can contain
- * almost arbitrary HTML content, will flow like inline elements, but can be
- * styled like block-level elements.
- * @constructor
- * @extends {goog.ui.ButtonRenderer}
- */
-goog.ui.FlatButtonRenderer = function() {
- goog.ui.ButtonRenderer.call(this);
-};
-goog.inherits(goog.ui.FlatButtonRenderer, goog.ui.ButtonRenderer);
-goog.addSingletonGetter(goog.ui.FlatButtonRenderer);
-
-
-/**
- * Default CSS class to be applied to the root element of components rendered
- * by this renderer.
- * @type {string}
- */
-goog.ui.FlatButtonRenderer.CSS_CLASS = goog.getCssName('goog-flat-button');
-
-
-/**
- * Returns the control's contents wrapped in a div element, with
- * the renderer's own CSS class and additional state-specific classes applied
- * to it, and the button's disabled attribute set or cleared as needed.
- * Overrides {@link goog.ui.ButtonRenderer#createDom}.
- * @param {goog.ui.Control} button Button to render.
- * @return {Element} Root element for the button.
- * @override
- */
-goog.ui.FlatButtonRenderer.prototype.createDom = function(button) {
- var classNames = this.getClassNames(button);
- var attributes = {
- 'class': goog.ui.INLINE_BLOCK_CLASSNAME + ' ' + classNames.join(' '),
- 'title': button.getTooltip() || ''
- };
- return button.getDomHelper().createDom(
- 'div', attributes, button.getContent());
-};
-
-
-/**
- * Returns the ARIA role to be applied to flat buttons.
- * @return {goog.dom.a11y.Role|undefined} ARIA role.
- * @override
- */
-goog.ui.FlatButtonRenderer.prototype.getAriaRole = function() {
- return goog.dom.a11y.Role.BUTTON;
-};
-
-
-/**
- * Returns true if this renderer can decorate the element. Overrides
- * {@link goog.ui.ButtonRenderer#canDecorate} by returning true if the
- * element is a DIV, false otherwise.
- * @param {Element} element Element to decorate.
- * @return {boolean} Whether the renderer can decorate the element.
- * @override
- */
-goog.ui.FlatButtonRenderer.prototype.canDecorate = function(element) {
- return element.tagName == 'DIV';
-};
-
-
-/**
- * Takes an existing element and decorates it with the flat button control.
- * Initializes the control's ID, content, tooltip, value, and state based
- * on the ID of the element, its child nodes, and its CSS classes, respectively.
- * Returns the element. Overrides {@link goog.ui.ButtonRenderer#decorate}.
- * @param {goog.ui.Control} button Button instance to decorate the element.
- * @param {Element} element Element to decorate.
- * @return {Element} Decorated element.
- * @override
- */
-goog.ui.FlatButtonRenderer.prototype.decorate = function(button, element) {
- goog.dom.classes.add(element, goog.ui.INLINE_BLOCK_CLASSNAME);
- return goog.ui.FlatButtonRenderer.superClass_.decorate.call(this, button,
- element);
-};
-
-
-/**
- * Flat buttons can't use the value attribute since they are div elements.
- * Overrides {@link goog.ui.ButtonRenderer#getValue} to prevent trying to
- * access the element's value.
- * @param {Element} element The button control's root element.
- * @return {string} Value not valid for flat buttons.
- * @override
- */
-goog.ui.FlatButtonRenderer.prototype.getValue = function(element) {
- // Flat buttons don't store their value in the DOM.
- return '';
-};
-
-
-/**
- * Returns the CSS class to be applied to the root element of components
- * rendered using this renderer.
- * @return {string} Renderer-specific CSS class.
- * @override
- */
-goog.ui.FlatButtonRenderer.prototype.getCssClass = function() {
- return goog.ui.FlatButtonRenderer.CSS_CLASS;
-};
-
-
-// Register a decorator factory function for Flat Buttons.
-goog.ui.registry.setDecoratorByClassName(goog.ui.FlatButtonRenderer.CSS_CLASS,
- function() {
- // Uses goog.ui.Button, but with FlatButtonRenderer.
- return new goog.ui.Button(null, goog.ui.FlatButtonRenderer.getInstance());
- });