Bug 1617696 - Stop splitting address bar expansion between _on_focus and _on_click. r=adw

Differential Revision: https://phabricator.services.mozilla.com/D63930

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

browser/components/urlbar/UrlbarInput.jsm

@@ -1775,7 +1775,6 @@ class UrlbarInput {
       event.target == this._inputContainer ||
       event.target.id == SEARCH_BUTTON_ID
     ) {
-      this.startLayoutExtend();
       this._maybeSelectAll();
     }
   }
@@ -1796,15 +1795,13 @@ class UrlbarInput {
       this.setAttribute("focused", "true");
     }
 
-    // We handle mouse-based expansion events separately in _on_click.
+    this.startLayoutExtend();
+
     if (this.focusedViaMousedown) {
       this.view.autoOpen({ event });
-    } else {
-      this.startLayoutExtend();
-      if (this.inputField.hasAttribute("refocused-by-panel")) {
+    } else if (this.inputField.hasAttribute("refocused-by-panel")) {
       this._maybeSelectAll(true);
     }
-    }
 
     this._updateUrlTooltip();
     this.formatValue();