Bug 1615302 - Don't use userTypedValue as the URL to restore when doing a remoteness update through SessionStore. r=alchen,mconley

Differential Revision: https://phabricator.services.mozilla.com/D66705

--HG--
extra : moz-landing-system : lando

browser/components/sessionstore/ContentRestore.jsm

@@ -305,11 +305,17 @@ ContentRestoreInternal.prototype = {
           csp,
         };
         webNavigation.loadURI(loadArguments.uri, loadURIOptions);
-      } else if (tabData.userTypedValue && tabData.userTypedClear) {
+      } else if (
+        tabData.userTypedValue &&
+        tabData.userTypedClear &&
+        !isRemotenessUpdate
+      ) {
         // If the user typed a URL into the URL bar and hit enter right before
         // we crashed, we want to start loading that page again. A non-zero
         // userTypedClear value means that the load had started.
         // Load userTypedValue and fix up the URL if it's partial/broken.
+        // Remoteness updates are not crashes, so we use the provided URL, not
+        // the user typed one.
         let loadURIOptions = {
           triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal(),
           loadFlags: Ci.nsIWebNavigation.LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP,