[Autofill] Determine Popup RTLness from page

components/autofill/browser/autofill_external_delegate.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/strings/utf_string_conversions.h"
 #include "components/autofill/browser/autocomplete_history_manager.h"
 #include "components/autofill/browser/autofill_external_delegate.h"
 #include "components/autofill/browser/autofill_manager.h"
 #include "components/autofill/common/autofill_messages.h"
 #include "content/public/browser/navigation_controller.h"
@@ skipping 115 matching lines @@
 
   if (values.empty()) {
     // No suggestions, any popup currently showing is obsolete.
     autofill_manager_->delegate()->HideAutofillPopup();
     return;
   }
 
   // Send to display.
   if (autofill_query_field_.is_focusable) {
     autofill_manager_->delegate()->ShowAutofillPopup(
-        element_bounds_, values, labels, icons, ids, GetWeakPtr());
+        element_bounds_,
+        autofill_query_field_.text_direction,
+        values,
+        labels,
+        icons,
+        ids,
+        GetWeakPtr());
   }
 }
 
 void AutofillExternalDelegate::OnShowPasswordSuggestions(
     const std::vector<base::string16>& suggestions,
     const FormFieldData& field,
     const gfx::RectF& element_bounds) {
   autofill_query_field_ = field;
   element_bounds_ = element_bounds;
 
   if (suggestions.empty()) {
     autofill_manager_->delegate()->HideAutofillPopup();
     return;
   }
 
   std::vector<base::string16> empty(suggestions.size());
   std::vector<int> password_ids(suggestions.size(),
                                 WebAutofillClient::MenuItemIDPasswordEntry);
   autofill_manager_->delegate()->ShowAutofillPopup(
-      element_bounds_, suggestions, empty, empty, password_ids, GetWeakPtr());
+      element_bounds_,
+      autofill_query_field_.text_direction,
+      suggestions,
+      empty,
+      empty,
+      password_ids,
+      GetWeakPtr());
 }
 
 void AutofillExternalDelegate::SetCurrentDataListValues(
     const std::vector<base::string16>& data_list_values,
     const std::vector<base::string16>& data_list_labels,
     const std::vector<base::string16>& data_list_icons,
     const std::vector<int>& data_list_unique_ids) {
   data_list_values_ = data_list_values;
   data_list_labels_ = data_list_labels;
   data_list_icons_ = data_list_icons;
@@ skipping 215 matching lines @@
     if (!*content::Details<bool>(details).ptr())
       autofill_manager_->delegate()->HideAutofillPopup();
   } else if (type == content::NOTIFICATION_NAV_ENTRY_COMMITTED) {
     autofill_manager_->delegate()->HideAutofillPopup();
   } else {
     NOTREACHED();
   }
 }
 
 }  // namespace autofill