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diff --git a/assets/viz/1/goog/html/safestylesheet.js b/assets/viz/1/goog/html/safestylesheet.js
deleted file mode 100644
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--- a/assets/viz/1/goog/html/safestylesheet.js
+++ /dev/null
@@ -1,278 +0,0 @@
-// Copyright 2014 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 The SafeStyleSheet type and its builders.
- *
- * TODO(xtof): Link to document stating type contract.
- */
-
-goog.provide('goog.html.SafeStyleSheet');
-
-goog.require('goog.array');
-goog.require('goog.asserts');
-goog.require('goog.string');
-goog.require('goog.string.Const');
-goog.require('goog.string.TypedString');
-
-
-
-/**
- * A string-like object which represents a CSS style sheet and that carries the
- * security type contract that its value, as a string, will not cause untrusted
- * script execution (XSS) when evaluated as CSS in a browser.
- *
- * Instances of this type must be created via the factory method
- * {@code goog.html.SafeStyleSheet.fromConstant} and not by invoking its
- * constructor. The constructor intentionally takes no parameters and the type
- * is immutable; hence only a default instance corresponding to the empty string
- * can be obtained via constructor invocation.
- *
- * A SafeStyleSheet's string representation can safely be interpolated as the
- * content of a style element within HTML. The SafeStyleSheet string should
- * not be escaped before interpolation.
- *
- * Values of this type must be composable, i.e. for any two values
- * {@code styleSheet1} and {@code styleSheet2} of this type,
- * {@code goog.html.SafeStyleSheet.unwrap(styleSheet1) +
- * goog.html.SafeStyleSheet.unwrap(styleSheet2)} must itself be a value that
- * satisfies the SafeStyleSheet type constraint. This requirement implies that
- * for any value {@code styleSheet} of this type,
- * {@code goog.html.SafeStyleSheet.unwrap(styleSheet1)} must end in
- * "beginning of rule" context.
-
- * A SafeStyleSheet can be constructed via security-reviewed unchecked
- * conversions. In this case producers of SafeStyleSheet must ensure themselves
- * that the SafeStyleSheet does not contain unsafe script. Note in particular
- * that {@code <} is dangerous, even when inside CSS strings, and so should
- * always be forbidden or CSS-escaped in user controlled input. For example, if
- * {@code </style><script>evil</script>"} were interpolated
- * inside a CSS string, it would break out of the context of the original
- * style element and {@code evil} would execute. Also note that within an HTML
- * style (raw text) element, HTML character references, such as
- * {@code <}, are not allowed. See
- *
- http://www.w3.org/TR/html5/scripting-1.html#restrictions-for-contents-of-script-elements
- * (similar considerations apply to the style element).
- *
- * @see goog.html.SafeStyleSheet#fromConstant
- * @constructor
- * @final
- * @struct
- * @implements {goog.string.TypedString}
- */
-goog.html.SafeStyleSheet = function() {
-  /**
-   * The contained value of this SafeStyleSheet.  The field has a purposely
-   * ugly name to make (non-compiled) code that attempts to directly access this
-   * field stand out.
-   * @private {string}
-   */
-  this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_ = '';
-
-  /**
-   * A type marker used to implement additional run-time type checking.
-   * @see goog.html.SafeStyleSheet#unwrap
-   * @const
-   * @private
-   */
-  this.SAFE_STYLE_SHEET_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ =
-      goog.html.SafeStyleSheet.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_;
-};
-
-
-/**
- * @override
- * @const
- */
-goog.html.SafeStyleSheet.prototype.implementsGoogStringTypedString = true;
-
-
-/**
- * Type marker for the SafeStyleSheet type, used to implement additional
- * run-time type checking.
- * @const {!Object}
- * @private
- */
-goog.html.SafeStyleSheet.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = {};
-
-
-/**
- * Creates a new SafeStyleSheet object by concatenating values.
- * @param {...(!goog.html.SafeStyleSheet|!Array<!goog.html.SafeStyleSheet>)}
- *     var_args Values to concatenate.
- * @return {!goog.html.SafeStyleSheet}
- */
-goog.html.SafeStyleSheet.concat = function(var_args) {
-  var result = '';
-
-  /**
-   * @param {!goog.html.SafeStyleSheet|!Array<!goog.html.SafeStyleSheet>}
-   *     argument
-   */
-  var addArgument = function(argument) {
-    if (goog.isArray(argument)) {
-      goog.array.forEach(argument, addArgument);
-    } else {
-      result += goog.html.SafeStyleSheet.unwrap(argument);
-    }
-  };
-
-  goog.array.forEach(arguments, addArgument);
-  return goog.html.SafeStyleSheet
-      .createSafeStyleSheetSecurityPrivateDoNotAccessOrElse(result);
-};
-
-
-/**
- * Creates a SafeStyleSheet object from a compile-time constant string.
- *
- * {@code styleSheet} must not have any &lt; characters in it, so that
- * the syntactic structure of the surrounding HTML is not affected.
- *
- * @param {!goog.string.Const} styleSheet A compile-time-constant string from
- *     which to create a SafeStyleSheet.
- * @return {!goog.html.SafeStyleSheet} A SafeStyleSheet object initialized to
- *     {@code styleSheet}.
- */
-goog.html.SafeStyleSheet.fromConstant = function(styleSheet) {
-  var styleSheetString = goog.string.Const.unwrap(styleSheet);
-  if (styleSheetString.length === 0) {
-    return goog.html.SafeStyleSheet.EMPTY;
-  }
-  // > is a valid character in CSS selectors and there's no strict need to
-  // block it if we already block <.
-  goog.asserts.assert(
-      !goog.string.contains(styleSheetString, '<'),
-      "Forbidden '<' character in style sheet string: " + styleSheetString);
-  return goog.html.SafeStyleSheet
-      .createSafeStyleSheetSecurityPrivateDoNotAccessOrElse(styleSheetString);
-};
-
-
-/**
- * Returns this SafeStyleSheet's value as a string.
- *
- * IMPORTANT: In code where it is security relevant that an object's type is
- * indeed {@code SafeStyleSheet}, use {@code goog.html.SafeStyleSheet.unwrap}
- * instead of this method. If in doubt, assume that it's security relevant. In
- * particular, note that goog.html functions which return a goog.html type do
- * not guarantee the returned instance is of the right type. For example:
- *
- * <pre>
- * var fakeSafeHtml = new String('fake');
- * fakeSafeHtml.__proto__ = goog.html.SafeHtml.prototype;
- * var newSafeHtml = goog.html.SafeHtml.htmlEscape(fakeSafeHtml);
- * // newSafeHtml is just an alias for fakeSafeHtml, it's passed through by
- * // goog.html.SafeHtml.htmlEscape() as fakeSafeHtml
- * // instanceof goog.html.SafeHtml.
- * </pre>
- *
- * @see goog.html.SafeStyleSheet#unwrap
- * @override
- */
-goog.html.SafeStyleSheet.prototype.getTypedStringValue = function() {
-  return this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_;
-};
-
-
-if (goog.DEBUG) {
-  /**
-   * Returns a debug string-representation of this value.
-   *
-   * To obtain the actual string value wrapped in a SafeStyleSheet, use
-   * {@code goog.html.SafeStyleSheet.unwrap}.
-   *
-   * @see goog.html.SafeStyleSheet#unwrap
-   * @override
-   */
-  goog.html.SafeStyleSheet.prototype.toString = function() {
-    return 'SafeStyleSheet{' +
-        this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_ + '}';
-  };
-}
-
-
-/**
- * Performs a runtime check that the provided object is indeed a
- * SafeStyleSheet object, and returns its value.
- *
- * @param {!goog.html.SafeStyleSheet} safeStyleSheet The object to extract from.
- * @return {string} The safeStyleSheet object's contained string, unless
- *     the run-time type check fails. In that case, {@code unwrap} returns an
- *     innocuous string, or, if assertions are enabled, throws
- *     {@code goog.asserts.AssertionError}.
- */
-goog.html.SafeStyleSheet.unwrap = function(safeStyleSheet) {
-  // Perform additional Run-time type-checking to ensure that
-  // safeStyleSheet is indeed an instance of the expected type.  This
-  // provides some additional protection against security bugs due to
-  // application code that disables type checks.
-  // Specifically, the following checks are performed:
-  // 1. The object is an instance of the expected type.
-  // 2. The object is not an instance of a subclass.
-  // 3. The object carries a type marker for the expected type. "Faking" an
-  // object requires a reference to the type marker, which has names intended
-  // to stand out in code reviews.
-  if (safeStyleSheet instanceof goog.html.SafeStyleSheet &&
-      safeStyleSheet.constructor === goog.html.SafeStyleSheet &&
-      safeStyleSheet
-              .SAFE_STYLE_SHEET_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ ===
-          goog.html.SafeStyleSheet.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_) {
-    return safeStyleSheet.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_;
-  } else {
-    goog.asserts.fail('expected object of type SafeStyleSheet, got \'' +
-        safeStyleSheet + '\' of type ' + goog.typeOf(safeStyleSheet));
-    return 'type_error:SafeStyleSheet';
-  }
-};
-
-
-/**
- * Package-internal utility method to create SafeStyleSheet instances.
- *
- * @param {string} styleSheet The string to initialize the SafeStyleSheet
- *     object with.
- * @return {!goog.html.SafeStyleSheet} The initialized SafeStyleSheet object.
- * @package
- */
-goog.html.SafeStyleSheet.createSafeStyleSheetSecurityPrivateDoNotAccessOrElse =
-    function(styleSheet) {
-  return new goog.html.SafeStyleSheet().initSecurityPrivateDoNotAccessOrElse_(
-      styleSheet);
-};
-
-
-/**
- * Called from createSafeStyleSheetSecurityPrivateDoNotAccessOrElse(). This
- * method exists only so that the compiler can dead code eliminate static
- * fields (like EMPTY) when they're not accessed.
- * @param {string} styleSheet
- * @return {!goog.html.SafeStyleSheet}
- * @private
- */
-goog.html.SafeStyleSheet.prototype.initSecurityPrivateDoNotAccessOrElse_ =
-    function(styleSheet) {
-  this.privateDoNotAccessOrElseSafeStyleSheetWrappedValue_ = styleSheet;
-  return this;
-};
-
-
-/**
- * A SafeStyleSheet instance corresponding to the empty string.
- * @const {!goog.html.SafeStyleSheet}
- */
-goog.html.SafeStyleSheet.EMPTY =
-    goog.html.SafeStyleSheet
-        .createSafeStyleSheetSecurityPrivateDoNotAccessOrElse('');