Fix a CHECK failure in AutocompletePopupModel::InfoForCurrentSelection().

chrome/browser/autocomplete/autocomplete_edit.h

 // Copyright (c) 2010 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_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_H_
 #pragma once
 
 #include "base/string16.h"
 #include "chrome/browser/autocomplete/autocomplete_match.h"
@@ skipping 301 matching lines @@
   // 2) The user is composing a text with an IME
   bool OnAfterPossibleChange(const std::wstring& new_text,
                              bool selection_differs,
                              bool text_differs,
                              bool just_deleted_text,
                              bool allow_keyword_ui_change);
 
   // Invoked when the popup is going to change its bounds to |bounds|.
   void PopupBoundsChangedTo(const gfx::Rect& bounds);
 
+  // Called when the popup is closed.
+  void OnPopupClosed();
+
  private:
   enum PasteState {
     NONE,           // Most recent edit was not a paste.
     PASTING,        // In the middle of doing a paste. We need this intermediate
                     // state because OnPaste() does the actual detection of
                     // paste, but OnAfterPossibleChange() has to update the
                     // paste state for every edit. If OnPaste() set the state
                     // directly to PASTED, OnAfterPossibleChange() wouldn't know
                     // whether that represented the current edit or a past one.
     PASTED,         // Most recent edit was a paste.
@@ skipping 145 matching lines @@
   mutable GURL paste_and_go_url_;
   mutable PageTransition::Type paste_and_go_transition_;
   mutable GURL paste_and_go_alternate_nav_url_;
 
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteEditModel);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_H_