[DevTools] Typed events and event listeners.

third_party/WebKit/Source/devtools/front_end/persistence/PersistenceUtils.js

Index: third_party/WebKit/Source/devtools/front_end/persistence/PersistenceUtils.js
diff --git a/third_party/WebKit/Source/devtools/front_end/persistence/PersistenceUtils.js b/third_party/WebKit/Source/devtools/front_end/persistence/PersistenceUtils.js
index beadea7daadbf5568c36bb15f43b54adf7aed6c2..ff48f314f903e92431e08cab3d68b9e03622371d 100644
--- a/third_party/WebKit/Source/devtools/front_end/persistence/PersistenceUtils.js
+++ b/third_party/WebKit/Source/devtools/front_end/persistence/PersistenceUtils.js
@@ -29,16 +29,14 @@ Persistence.PersistenceUtils.LinkDecorator = class extends Common.Object {
    */
   constructor(persistence) {
     super();
-    persistence.addEventListener(Persistence.Persistence.Events.BindingCreated, this._bindingChanged, this);
-    persistence.addEventListener(Persistence.Persistence.Events.BindingRemoved, this._bindingChanged, this);
+    persistence.addEventListener(Persistence.Persistence.BindingChangedEvent, this._bindingChanged, this);
   }
 
   /**
-   * @param {!Common.Event} event
+   * @param {!Persistence.Persistence.BindingChangedEvent} event
    */
   _bindingChanged(event) {
-    var binding = /** @type {!Persistence.PersistenceBinding} */ (event.data);
-    this.dispatchEventToListeners(Components.LinkDecorator.Events.LinkIconChanged, binding.network);
+    this.dispatchEventToListeners(Components.LinkDecorator.Events.LinkIconChanged, event.binding.network);
   }
 
   /**