Enabled pressing TAB to traverse through the Omnibox results

chrome/browser/ui/gtk/omnibox/omnibox_view_gtk.h

Index: chrome/browser/ui/gtk/omnibox/omnibox_view_gtk.h
diff --git a/chrome/browser/ui/gtk/omnibox/omnibox_view_gtk.h b/chrome/browser/ui/gtk/omnibox/omnibox_view_gtk.h
index 3c578a76a85a25c72e8af2fd7d2005649e55ce3b..0fb8d1bd6b9917fb2e239962f72bc010f0def442 100644
--- a/chrome/browser/ui/gtk/omnibox/omnibox_view_gtk.h
+++ b/chrome/browser/ui/gtk/omnibox/omnibox_view_gtk.h
@@ -106,7 +106,9 @@ class OmniboxViewGtk : public OmniboxView,
                            const string16& display_text,
                            bool update_popup) OVERRIDE;
   virtual void SetWindowTextAndCaretPos(const string16& text,
-                                        size_t caret_pos) OVERRIDE;
+                                        size_t caret_pos,
+                                        bool update_popup,
+                                        bool notify_text_changed) OVERRIDE;
   virtual void SetForcedQuery() OVERRIDE;
   virtual bool IsSelectAll() OVERRIDE;
   virtual bool DeleteAtEndPressed() OVERRIDE;
@@ -461,6 +463,11 @@ class OmniboxViewGtk : public OmniboxView,
   // during sync dispatch of "move-focus" signal.
   bool tab_was_pressed_;
 
+  // Indicates if Shift key was pressed.
+  // Used in conjunction with the Tab key to determine if either traversal
+  // needs to move up the results or if the keyword needs to be cleared.
+  bool shift_was_pressed_;
+
   // Indicates that user requested to paste clipboard.
   // The actual paste clipboard action might be performed later if the
   // clipboard is not empty.