update viz 2 to use the newest version, which has some performance improvements and is easier to read the code for. also update the description

1 files changed, 8 insertions, 11 deletions

diff --git a/assets/viz/2/goog/disposable/disposable.js b/assets/viz/2/goog/disposable/disposable.js
index ca8d088..a86f549 100644
--- a/assets/viz/2/goog/disposable/disposable.js
+++ b/assets/viz/2/goog/disposable/disposable.js
@@ -20,9 +20,7 @@
 
 
 goog.provide('goog.Disposable');
-/** @suppress {extraProvide} */
 goog.provide('goog.dispose');
-/** @suppress {extraProvide} */
 goog.provide('goog.disposeAll');
 
 goog.require('goog.disposable.IDisposable');
@@ -38,6 +36,13 @@ goog.require('goog.disposable.IDisposable');
  * @implements {goog.disposable.IDisposable}
  */
 goog.Disposable = function() {
+  /**
+   * If monitoring the goog.Disposable instances is enabled, stores the creation
+   * stack trace of the Disposable instance.
+   * @type {string|undefined}
+   */
+  this.creationStack;
+
   if (goog.Disposable.MONITORING_MODE != goog.Disposable.MonitoringMode.OFF) {
     if (goog.Disposable.INCLUDE_STACK_ON_CREATION) {
       this.creationStack = new Error().stack;
@@ -140,14 +145,6 @@ goog.Disposable.prototype.onDisposeCallbacks_;
 
 
 /**
- * If monitoring the goog.Disposable instances is enabled, stores the creation
- * stack trace of the Disposable instance.
- * @const {string}
- */
-goog.Disposable.prototype.creationStack;
-
-
-/**
  * @return {boolean} Whether the object has been disposed of.
  * @override
  */
@@ -215,7 +212,7 @@ goog.Disposable.prototype.registerDisposable = function(disposable) {
  */
 goog.Disposable.prototype.addOnDisposeCallback = function(callback, opt_scope) {
   if (this.disposed_) {
-    callback.call(opt_scope);
+    goog.isDef(opt_scope) ? callback.call(opt_scope) : callback();
     return;
   }
   if (!this.onDisposeCallbacks_) {