Make OmniboxEditModel::UpdatePermanentText() fetch the new text itself rather

chrome/browser/ui/omnibox/omnibox_edit_model.h

 // Copyright 2012 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_UI_OMNIBOX_OMNIBOX_EDIT_MODEL_H_
 #define CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_EDIT_MODEL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 120 matching lines @@
                          string16* text,
                          GURL* url,
                          bool* write_url);
 
   bool user_input_in_progress() const { return user_input_in_progress_; }
 
   // Sets the state of user_input_in_progress_, and notifies the observer if
   // that state has changed.
   void SetInputInProgress(bool in_progress);
 
-  // Updates permanent_text_ to |new_permanent_text|.  Returns true if this
-  // change should be immediately user-visible, because either the user is not
-  // editing or the edit does not have focus.
-  bool UpdatePermanentText(const string16& new_permanent_text);
+  // Updates permanent_text_ to the current permanent text from the toolbar
+  // model.  Returns true if this change should be immediately user-visible,
+  // because either the user is not editing or the edit does not have focus.
+  bool UpdatePermanentText();
 
   // Returns the URL corresponding to the permanent text.
   GURL PermanentURL();
 
   // Sets the user_text_ to |text|.  Only the View should call this.
   void SetUserText(const string16& text);
 
   // Commits the gray suggested text as if it's been input by the user.
   // Returns true if the text was committed.
   // TODO: can the return type be void?
@@ skipping 373 matching lines @@
   // an exact keyword match.  If this is true then keyword mode will be
   // triggered automatically if the input is "<keyword> <search string>".  We
   // allow this when CreatedKeywordSearchByInsertingSpaceInMiddle() is true.
   // This has no effect if we're already in keyword mode.
   bool allow_exact_keyword_match_;
 
   DISALLOW_COPY_AND_ASSIGN(OmniboxEditModel);
 };
 
 #endif  // CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_EDIT_MODEL_H_