Fix text and selection's save/restore issue of omnibox when displaying tempor...

chrome/browser/autocomplete/autocomplete_edit_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_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_MAC_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/basictypes.h"
@@ skipping 159 matching lines @@
 
   // The object that handles additional command functionality exposed on the
   // edit, such as invoking the keyword editor.
   CommandUpdater* command_updater_;
 
   AutocompleteTextField* field_;  // owned by tab controller
 
   // Objective-C object to bridge field_ delegate calls to C++.
   scoped_nsobject<AutocompleteEditHelper> edit_helper_;
 
-  // Text and selection at the point where the user started using the
+  // Selection at the point where the user started using the
   // arrows to move around in the popup.
   NSRange saved_temporary_selection_;
-  std::wstring saved_temporary_text_;
 
   // Tracking state before and after a possible change for reporting
   // to model_.
   NSRange selection_before_change_;
   std::wstring text_before_change_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteEditViewMac);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_MAC_H_