Backed out changeset 03cfb27bc3a2 (bug 1881107) for causing bc failures in browser_opentabs_pinned_tabs.js CLOSED TREE

browser/components/firefoxview/opentabs.mjs

@@ -38,9 +38,6 @@ ChromeUtils.defineLazyGetter(lazy, "fxAccounts", () => {
   ).getFxAccountsSingleton();
 });
 
-const TOPIC_DEVICESTATE_CHANGED = "firefox-view.devicestate.changed";
-const TOPIC_DEVICELIST_UPDATED = "fxaccounts:devicelist_updated";
-
 /**
  * A collection of open tabs grouped by window.
  *
@@ -674,7 +671,6 @@ class OpenTabsContextMenu extends MozLitElement {
   constructor() {
     super();
     this.triggerNode = null;
-    this.boundObserve = (...args) => this.observe(...args);
     this.devices = [];
   }
 
@@ -686,28 +682,6 @@ class OpenTabsContextMenu extends MozLitElement {
     return this.ownerDocument.querySelector("view-opentabs");
   }
 
-  connectedCallback() {
-    super.connectedCallback();
-    this.fetchDevicesPromise = this.fetchDevices();
-    Services.obs.addObserver(this.boundObserve, TOPIC_DEVICELIST_UPDATED);
-    Services.obs.addObserver(this.boundObserve, TOPIC_DEVICESTATE_CHANGED);
-  }
-
-  disconnectedCallback() {
-    super.disconnectedCallback();
-    Services.obs.removeObserver(this.boundObserve, TOPIC_DEVICELIST_UPDATED);
-    Services.obs.removeObserver(this.boundObserve, TOPIC_DEVICESTATE_CHANGED);
-  }
-
-  observe(_subject, topic, _data) {
-    if (
-      topic == TOPIC_DEVICELIST_UPDATED ||
-      topic == TOPIC_DEVICESTATE_CHANGED
-    ) {
-      this.fetchDevicesPromise = this.fetchDevices();
-    }
-  }
-
   async fetchDevices() {
     const currentWindow = this.ownerViewPage.getWindow();
     if (currentWindow?.gSync) {
@@ -727,7 +701,7 @@ class OpenTabsContextMenu extends MozLitElement {
       return;
     }
     this.triggerNode = triggerNode;
-    await this.fetchDevicesPromise;
+    await this.fetchDevices();
     await this.getUpdateComplete();
     this.panelList.toggle(originalEvent);
   }