Fix RTL UI extension popup anchoring.

chrome/browser/ui/views/toolbar/browser_actions_container.cc

Index: chrome/browser/ui/views/toolbar/browser_actions_container.cc
diff --git a/chrome/browser/ui/views/toolbar/browser_actions_container.cc b/chrome/browser/ui/views/toolbar/browser_actions_container.cc
index eb259644d74e261cc5f5ff16848db0581671432c..e039d522db0cbb7a986263146bec2fa340ca0a3b 100644
--- a/chrome/browser/ui/views/toolbar/browser_actions_container.cc
+++ b/chrome/browser/ui/views/toolbar/browser_actions_container.cc
@@ -860,12 +860,8 @@ bool BrowserActionsContainer::ShowPopup(
   // since buttons can be activated from the overflow menu (chevron). In that
   // case we show the popup as originating from the chevron.
   View* reference_view = button->parent()->visible() ? button : chevron_;
-  views::BubbleBorder::Arrow arrow = base::i18n::IsRTL() ?
-      views::BubbleBorder::TOP_LEFT : views::BubbleBorder::TOP_RIGHT;
-  popup_ = ExtensionPopup::ShowPopup(popup_url,
-                                     browser_,
-                                     reference_view,
-                                     arrow,
+  popup_ = ExtensionPopup::ShowPopup(popup_url, browser_, reference_view,
+                                     views::BubbleBorder::TOP_RIGHT,
                                      show_action);
   popup_->GetWidget()->AddObserver(this);
   popup_button_ = button;