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diff --git a/src/http/static/viz/2/goog/html/safescript.js b/src/http/static/viz/2/goog/html/safescript.js
deleted file mode 100644
index 7a945eb..0000000
--- a/src/http/static/viz/2/goog/html/safescript.js
+++ /dev/null
@@ -1,234 +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 SafeScript type and its builders.
- *
- * TODO(xtof): Link to document stating type contract.
- */
-
-goog.provide('goog.html.SafeScript');
-
-goog.require('goog.asserts');
-goog.require('goog.string.Const');
-goog.require('goog.string.TypedString');
-
-
-
-/**
- * A string-like object which represents JavaScript code and that carries the
- * security type contract that its value, as a string, will not cause execution
- * of unconstrained attacker controlled code (XSS) when evaluated as JavaScript
- * in a browser.
- *
- * Instances of this type must be created via the factory method
- * {@code goog.html.SafeScript.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 SafeScript's string representation can safely be interpolated as the
- * content of a script element within HTML. The SafeScript string should not be
- * escaped before interpolation.
- *
- * Note that the SafeScript might contain text that is attacker-controlled but
- * that text should have been interpolated with appropriate escaping,
- * sanitization and/or validation into the right location in the script, such
- * that it is highly constrained in its effect (for example, it had to match a
- * set of whitelisted words).
- *
- * A SafeScript can be constructed via security-reviewed unchecked
- * conversions. In this case producers of SafeScript must ensure themselves that
- * the SafeScript does not contain unsafe script. Note in particular that
- * {@code &lt;} is dangerous, even when inside JavaScript strings, and so should
- * always be forbidden or JavaScript escaped in user controlled input. For
- * example, if {@code &lt;/script&gt;&lt;script&gt;evil&lt;/script&gt;"} were
- * interpolated inside a JavaScript string, it would break out of the context
- * of the original script element and {@code evil} would execute. Also note
- * that within an HTML script (raw text) element, HTML character references,
- * such as "&lt;" are not allowed. See
- * http://www.w3.org/TR/html5/scripting-1.html#restrictions-for-contents-of-script-elements.
- *
- * @see goog.html.SafeScript#fromConstant
- * @constructor
- * @final
- * @struct
- * @implements {goog.string.TypedString}
- */
-goog.html.SafeScript = function() {
-  /**
-   * The contained value of this SafeScript.  The field has a purposely
-   * ugly name to make (non-compiled) code that attempts to directly access this
-   * field stand out.
-   * @private {string}
-   */
-  this.privateDoNotAccessOrElseSafeScriptWrappedValue_ = '';
-
-  /**
-   * A type marker used to implement additional run-time type checking.
-   * @see goog.html.SafeScript#unwrap
-   * @const {!Object}
-   * @private
-   */
-  this.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ =
-      goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_;
-};
-
-
-/**
- * @override
- * @const
- */
-goog.html.SafeScript.prototype.implementsGoogStringTypedString = true;
-
-
-/**
- * Type marker for the SafeScript type, used to implement additional
- * run-time type checking.
- * @const {!Object}
- * @private
- */
-goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ = {};
-
-
-/**
- * Creates a SafeScript object from a compile-time constant string.
- *
- * @param {!goog.string.Const} script A compile-time-constant string from which
- *     to create a SafeScript.
- * @return {!goog.html.SafeScript} A SafeScript object initialized to
- *     {@code script}.
- */
-goog.html.SafeScript.fromConstant = function(script) {
-  var scriptString = goog.string.Const.unwrap(script);
-  if (scriptString.length === 0) {
-    return goog.html.SafeScript.EMPTY;
-  }
-  return goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse(
-      scriptString);
-};
-
-
-/**
- * Returns this SafeScript's value as a string.
- *
- * IMPORTANT: In code where it is security relevant that an object's type is
- * indeed {@code SafeScript}, use {@code goog.html.SafeScript.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.SafeScript#unwrap
- * @override
- */
-goog.html.SafeScript.prototype.getTypedStringValue = function() {
-  return this.privateDoNotAccessOrElseSafeScriptWrappedValue_;
-};
-
-
-if (goog.DEBUG) {
-  /**
-   * Returns a debug string-representation of this value.
-   *
-   * To obtain the actual string value wrapped in a SafeScript, use
-   * {@code goog.html.SafeScript.unwrap}.
-   *
-   * @see goog.html.SafeScript#unwrap
-   * @override
-   */
-  goog.html.SafeScript.prototype.toString = function() {
-    return 'SafeScript{' +
-        this.privateDoNotAccessOrElseSafeScriptWrappedValue_ + '}';
-  };
-}
-
-
-/**
- * Performs a runtime check that the provided object is indeed a
- * SafeScript object, and returns its value.
- *
- * @param {!goog.html.SafeScript} safeScript The object to extract from.
- * @return {string} The safeScript 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.SafeScript.unwrap = function(safeScript) {
-  // Perform additional Run-time type-checking to ensure that
-  // safeScript 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 (safeScript instanceof goog.html.SafeScript &&
-      safeScript.constructor === goog.html.SafeScript &&
-      safeScript.SAFE_SCRIPT_TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_ ===
-          goog.html.SafeScript.TYPE_MARKER_GOOG_HTML_SECURITY_PRIVATE_) {
-    return safeScript.privateDoNotAccessOrElseSafeScriptWrappedValue_;
-  } else {
-    goog.asserts.fail('expected object of type SafeScript, got \'' +
-        safeScript + '\' of type ' + goog.typeOf(safeScript));
-    return 'type_error:SafeScript';
-  }
-};
-
-
-/**
- * Package-internal utility method to create SafeScript instances.
- *
- * @param {string} script The string to initialize the SafeScript object with.
- * @return {!goog.html.SafeScript} The initialized SafeScript object.
- * @package
- */
-goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse =
-    function(script) {
-  return new goog.html.SafeScript().initSecurityPrivateDoNotAccessOrElse_(
-      script);
-};
-
-
-/**
- * Called from createSafeScriptSecurityPrivateDoNotAccessOrElse(). This
- * method exists only so that the compiler can dead code eliminate static
- * fields (like EMPTY) when they're not accessed.
- * @param {string} script
- * @return {!goog.html.SafeScript}
- * @private
- */
-goog.html.SafeScript.prototype.initSecurityPrivateDoNotAccessOrElse_ = function(
-    script) {
-  this.privateDoNotAccessOrElseSafeScriptWrappedValue_ = script;
-  return this;
-};
-
-
-/**
- * A SafeScript instance corresponding to the empty string.
- * @const {!goog.html.SafeScript}
- */
-goog.html.SafeScript.EMPTY =
-    goog.html.SafeScript.createSafeScriptSecurityPrivateDoNotAccessOrElse('');