Strip special characters in extension omnibox suggestions.

chrome/browser/autocomplete/autocomplete_match.h

 // Copyright (c) 2011 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_MATCH_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_MATCH_H_
 #pragma once
 
 #include <vector>
 #include <string>
@@ skipping 106 matching lines @@
   // Similar to ClassifyMatchInString(), but for cases where the range to mark
   // as matching is already known (avoids calling find()).  This can be helpful
   // when find() would be misleading (e.g. you want to mark the second match in
   // a string instead of the first).
   static void ClassifyLocationInString(size_t match_location,
                                        size_t match_length,
                                        size_t overall_length,
                                        int style,
                                        ACMatchClassifications* classifications);
 
+  // Removes invalid characters from |str|. Should be called on strings coming
+  // from external sources (such as extensions) before assigning to |contents|
+  // or |description|.
+  static string16 SanitizeString(const string16& text);
+
   // The provider of this match, used to remember which provider the user had
   // selected when the input changes. This may be NULL, in which case there is
   // no provider (or memory of the user's selection).
   AutocompleteProvider* provider;
 
   // The relevance of this match. See table in autocomplete.h for scores
   // returned by various providers. This is used to rank matches among all
   // responding providers, so different providers must be carefully tuned to
   // supply matches with appropriate relevance.
   //
@@ skipping 57 matching lines @@
   void ValidateClassifications(
       const string16& text,
       const ACMatchClassifications& classifications) const;
 #endif
 };
 
 typedef AutocompleteMatch::ACMatchClassification ACMatchClassification;
 typedef std::vector<ACMatchClassification> ACMatchClassifications;
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_MATCH_H_