Implement location only display mode (used by popup windows).

chrome/browser/gtk/location_bar_view_gtk.h

Index: chrome/browser/gtk/location_bar_view_gtk.h
diff --git a/chrome/browser/gtk/location_bar_view_gtk.h b/chrome/browser/gtk/location_bar_view_gtk.h
index f3cafd2fbbd623804f502f4e8f5401768fbbefa2..1ac1fa4a8c61ba80e4c33f1d1a57e6a5fa40637d 100644
--- a/chrome/browser/gtk/location_bar_view_gtk.h
+++ b/chrome/browser/gtk/location_bar_view_gtk.h
@@ -35,7 +35,7 @@ class LocationBarViewGtk : public AutocompleteEditController,
                      AutocompletePopupPositioner* popup_positioner);
   virtual ~LocationBarViewGtk();
 
-  void Init();
+  void Init(bool popup_window_mode);
 
   void SetProfile(Profile* profile);
 
@@ -146,6 +146,10 @@ class LocationBarViewGtk : public AutocompleteEditController,
   // Used schedule a task for the first run info bubble.
   ScopedRunnableMethodFactory<LocationBarViewGtk> first_run_bubble_;
 
+  // When true, the location bar view is read only and also is has a slightly
+  // different presentation (font size / color). This is used for popups.
+  bool popup_window_mode_;
+
   DISALLOW_COPY_AND_ASSIGN(LocationBarViewGtk);
 };