Bug 1921060 - Implement full mute button spec r=desktop-theme-reviewers,tabbrowser-reviewers,dao,sessionstore-reviewers,sclements

Differential Revision: https://phabricator.services.mozilla.com/D231182

browser/components/sessionstore/SessionStore.sys.mjs

@@ -3070,7 +3070,6 @@ var SessionStoreInternal = {
    *        Tab reference
    */
   resetBrowserToLazyState(aTab) {
-    const gBrowser = aTab.ownerGlobal.gBrowser;
     let browser = aTab.linkedBrowser;
     // Browser is already lazy so don't do anything.
     if (!browser.isConnected) {
@@ -3084,7 +3083,6 @@ var SessionStoreInternal = {
     this._lastKnownFrameLoader.delete(browser.permanentKey);
     this._crashedBrowsers.delete(browser.permanentKey);
     aTab.removeAttribute("crashed");
-    gBrowser.tabContainer.updateTabIndicatorAttr(aTab);
 
     let { userTypedValue = null, userTypedClear = 0 } = browser;
     let hasStartedLoad = browser.didStartLoadSinceLastUserTyping();
@@ -4784,7 +4782,6 @@ var SessionStoreInternal = {
       );
     }
 
-    const gBrowser = aTab.ownerGlobal.gBrowser;
     let browser = aTab.linkedBrowser;
     if (!this._crashedBrowsers.has(browser.permanentKey)) {
       return;
@@ -4804,7 +4801,6 @@ var SessionStoreInternal = {
     // a flash of the about:tabcrashed page after selecting
     // the revived tab.
     aTab.removeAttribute("crashed");
-    gBrowser.tabContainer.updateTabIndicatorAttr(aTab);
 
     browser.loadURI(lazy.blankURI, {
       triggeringPrincipal: Services.scriptSecurityManager.createNullPrincipal({