Fix a DCHECK failure in AutocompleteEditModel::OnPopupDataChanged()

chrome/browser/autocomplete/autocomplete_edit.h

Index: chrome/browser/autocomplete/autocomplete_edit.h
diff --git a/chrome/browser/autocomplete/autocomplete_edit.h b/chrome/browser/autocomplete/autocomplete_edit.h
index 6fbe01648c1723e5cdf0795dc85ccacac6fccb6b..7b00fc6ca4d93e559ba18f9091d128299eb7289d 100644
--- a/chrome/browser/autocomplete/autocomplete_edit.h
+++ b/chrome/browser/autocomplete/autocomplete_edit.h
@@ -378,6 +378,10 @@ class AutocompleteEditModel : public NotificationObserver {
   // copy.
   bool GetURLForText(const string16& text, GURL* url) const;
 
+  // Reverts the edit box from a temporary text back to the original user text.
+  // If |revert_popup| is true then the popup will be reverted as well.
+  void RevertTemporaryText(bool revert_popup);
+
   // Accepts current keyword if the user only typed a space at the end of
   // |new_user_text| comparing to the |old_user_text|.
   // Returns true if the current keyword is accepted.