[Mac] Ensure Omnibox text is always right-aligned in RTL

components/omnibox/browser/omnibox_edit_model.h

 // Copyright 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.
 
 #ifndef COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_EDIT_MODEL_H_
 #define COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_EDIT_MODEL_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 108 matching lines @@
   AutocompleteMatch CurrentMatch(GURL* alternate_nav_url) const;
 
   // Called when the user wants to export the entire current text as a URL.
   // Sets the url, and if known, the title and favicon.
   void GetDataForURLExport(GURL* url,
                            base::string16* title,
                            gfx::Image* favicon);
 
   // Returns true if the current edit contents will be treated as a
   // URL/navigation, as opposed to a search.
-  bool CurrentTextIsURL() const;
+  virtual bool CurrentTextIsURL() const;
 
   // Returns the match type for the current edit contents.
   AutocompleteMatch::Type CurrentTextType() const;
 
   // Invoked to adjust the text before writting to the clipboard for a copy
   // (e.g. by adding 'http' to the front). |sel_min| gives the minimum position
   // of the selection e.g. min(selection_start, selection_end). |text| is the
   // currently selected text. If |is_all_selected| is true all the text in the
   // edit is selected. If the url should be copied to the clipboard |write_url|
   // is set to true and |url| set to the url to write.
@@ skipping 421 matching lines @@
 
   // The input that was sent to the AutocompleteController. Since no
   // autocomplete query is started after a tab switch, it is possible for this
   // |input_| to differ from the one currently stored in AutocompleteController.
   AutocompleteInput input_;
 
   DISALLOW_COPY_AND_ASSIGN(OmniboxEditModel);
 };
 
 #endif  // COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_EDIT_MODEL_H_