Change the iPad tab switcher sign in button width.

ios/chrome/browser/ui/tab_switcher/tab_switcher_panel_overlay_view.mm

Index: ios/chrome/browser/ui/tab_switcher/tab_switcher_panel_overlay_view.mm
diff --git a/ios/chrome/browser/ui/tab_switcher/tab_switcher_panel_overlay_view.mm b/ios/chrome/browser/ui/tab_switcher/tab_switcher_panel_overlay_view.mm
index 57eed01f33ca460058340fbdbba7a4c116a56666..f92c4e0c4c67e7d33678c49874c4f4729d453ca0 100644
--- a/ios/chrome/browser/ui/tab_switcher/tab_switcher_panel_overlay_view.mm
+++ b/ios/chrome/browser/ui/tab_switcher/tab_switcher_panel_overlay_view.mm
@@ -154,7 +154,7 @@ const CGFloat kSubtitleMinimunLineHeight = 24.0;
       @"V:|-0-[title]-12-[subtitle]-48-[button]-0-|",
       @"V:[subtitle]-35-[floatingButton(==48)]-0-|",
       @"V:[subtitle]-24-[activityIndicator]", @"H:|-[title]-|",
-      @"H:|-[subtitle]-|", @"H:[button(==180)]", @"H:[floatingButton(==48)]"
+      @"H:|-[subtitle]-|", @"H:[button(>=180)]", @"H:[floatingButton(==48)]"
     ];
     ApplyVisualConstraints(constraints, viewsDictionary, _container);