[Autofill] Determine Popup RTLness from page

chrome/browser/ui/autofill/autofill_popup_controller.h

Index: chrome/browser/ui/autofill/autofill_popup_controller.h
diff --git a/chrome/browser/ui/autofill/autofill_popup_controller.h b/chrome/browser/ui/autofill/autofill_popup_controller.h
index 8e2c509048dca73a2930402733594e58826bcb9c..7920743e1cfec749e9d68d04f47affc5dfe535e2 100644
--- a/chrome/browser/ui/autofill/autofill_popup_controller.h
+++ b/chrome/browser/ui/autofill/autofill_popup_controller.h
@@ -67,6 +67,9 @@ class AutofillPopupController {
   // The bounds of the form field element (screen coordinates).
   virtual const gfx::RectF& element_bounds() const = 0;
 
+  // If the current popup should be displayed in RTL mode.
+  virtual bool is_rtl() const = 0;
+
   // TODO(csharp): The names, subtexts and icon getters can probably be adjusted
   // to take in the row index and return a single element, instead of the
   // whole vector.