DevTools: remove deleted registrations from the SW list if a newer version is available.

third_party/WebKit/Source/devtools/front_end/resources/ServiceWorkersView.js

 // Copyright (c) 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 /**
  * @implements {SDK.TargetManager.Observer}
  * @unrestricted
  */
 Resources.ServiceWorkersView = class extends UI.VBox {
   constructor() {
     super(true);
@@ skipping 77 matching lines @@
       section._section.element.classList.toggle('hidden', !visible);
     }
   }
 
   /**
    * @param {!Common.Event} event
    */
   _registrationUpdated(event) {
     var registration = /** @type {!SDK.ServiceWorkerRegistration} */ (event.data);
     this._updateRegistration(registration);
+    this._gcRegistrations();
+  }
+
+  _gcRegistrations() {
+    var hasNonDeletedRegistrations = false;
+    var securityOrigins = new Set(this._securityOriginManager.securityOrigins());
+    for (var registration of this._manager.registrations().values()) {
+      var visible = this._showAllCheckbox.checked() || securityOrigins.has(registration.securityOrigin);
+      if (!visible)
+        continue;
+      if (!registration.canBeRemoved()) {
+        hasNonDeletedRegistrations = true;
+        break;
+      }
+    }
+
+    if (!hasNonDeletedRegistrations)
+      return;
+
+    for (var registration of this._manager.registrations().values()) {
+      var visible = this._showAllCheckbox.checked() || securityOrigins.has(registration.securityOrigin);
+      if (visible && registration.canBeRemoved())
+        this._removeRegistrationFromList(registration);
+    }
   }
 
   /**
    * @param {!Common.Event} event
    */
   _registrationErrorAdded(event) {
     var registration = /** @type {!SDK.ServiceWorkerRegistration} */ (event.data['registration']);
     var error = /** @type {!Protocol.ServiceWorker.ServiceWorkerErrorMessage} */ (event.data['error']);
     var section = this._sections.get(registration);
     if (!section)
@@ skipping 13 matching lines @@
     }
     this._updateSectionVisibility();
     section._scheduleUpdate();
   }
 
   /**
    * @param {!Common.Event} event
    */
   _registrationDeleted(event) {
     var registration = /** @type {!SDK.ServiceWorkerRegistration} */ (event.data);
+    this._removeRegistrationFromList(registration);
+  }
+
+  /**
+   * @param {!SDK.ServiceWorkerRegistration} registration
+   */
+  _removeRegistrationFromList(registration) {
     var section = this._sections.get(registration);
     if (section)
       section._section.remove();
     this._sections.delete(registration);
   }
 };
 
 /**
  * @unrestricted
  */
@@ skipping 270 matching lines @@
    * @param {!Element} container
    * @return {!Element}
    */
   _wrapWidget(container) {
     var shadowRoot = UI.createShadowRootWithCoreStyles(container);
     UI.appendStyle(shadowRoot, 'resources/serviceWorkersView.css');
     var contentElement = createElement('div');
     shadowRoot.appendChild(contentElement);
     return contentElement;
   }
-
-  _dispose() {
-    this._linkifier.dispose();
-    if (this._pendingUpdate)
-      clearTimeout(this._pendingUpdate);
-  }
 };