Use Chrome facilities for omnibox state save and restore on Mac.

chrome/browser/cocoa/location_bar_view_mac.h

 // Copyright (c) 2009 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 CHROME_BROWSER_COCOA_LOCATION_BAR_VIEW_MAC_H_
 #define CHROME_BROWSER_COCOA_LOCATION_BAR_VIEW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/scoped_ptr.h"
@@ skipping 28 matching lines @@
   virtual void FocusLocation();
   virtual void FocusSearch() { NOTIMPLEMENTED(); }
   virtual void UpdateFeedIcon() { /* http://crbug.com/8832 */ }
   virtual void UpdatePageActions() { NOTIMPLEMENTED(); }
   virtual void SaveStateToContents(TabContents* contents);
   virtual void Revert();
   virtual AutocompleteEditView* location_entry() {
     return edit_view_.get();
   }
 
+  // Updates the location bar.  Resets the bar's permanent text and
+  // security style, and if |should_restore_state| is true, restores
+  // saved state from the tab (for tab switching).
+  void Update(const TabContents* tab, bool should_restore_state);
+
   virtual void OnAutocompleteAccept(const GURL& url,
       WindowOpenDisposition disposition,
       PageTransition::Type transition,
       const GURL& alternate_nav_url);
   virtual void OnChanged();
   virtual void OnInputInProgress(bool in_progress);
   virtual SkBitmap GetFavIcon() const;
   virtual std::wstring GetTitle() const;
 
  private:
   scoped_ptr<AutocompleteEditViewMac> edit_view_;
 
   CommandUpdater* command_updater_;  // weak, owned by Browser
 
   // When we get an OnAutocompleteAccept notification from the autocomplete
   // edit, we save the input string so we can give it back to the browser on
   // the LocationBar interface via GetInputString().
   std::wstring location_input_;
 
   // The user's desired disposition for how their input should be opened
   WindowOpenDisposition disposition_;
 
   // The transition type to use for the navigation
   PageTransition::Type transition_;
 
   DISALLOW_COPY_AND_ASSIGN(LocationBarViewMac);
 };
 
 #endif  // CHROME_BROWSER_COCOA_LOCATION_BAR_VIEW_MAC_H_