Enabled pressing TAB to traverse through the Omnibox results

chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h

Index: chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h
diff --git a/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h b/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h
index eddcd6d2deb6409c7b748c6e0f88a44888c7bd39..e209e287822b679eb866a959ca8042530d0bf5ca 100644
--- a/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h
+++ b/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h
@@ -54,7 +54,9 @@ class OmniboxViewMac : 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;
@@ -164,6 +166,9 @@ class OmniboxViewMac : public OmniboxView,
   // though here we cannot really do the in-place operation they do.
   void EmphasizeURLComponents();
 
+  // Internally invoked whenever the text changes in some way.
+  void TextChanged();
+
   // Calculates text attributes according to |display_text| and applies them
   // to the given |as| object.
   void ApplyTextAttributes(const string16& display_text,