Omnibox: Add Mid-Input Matching to HistoryQuick Provider

chrome/browser/history/in_memory_url_index.h

Index: chrome/browser/history/in_memory_url_index.h
diff --git a/chrome/browser/history/in_memory_url_index.h b/chrome/browser/history/in_memory_url_index.h
index 7c526c038df3ad591cce22efc76c28ec484061fd..d0f31196a0fb6b37800e2ee85431baf0f8f4f885 100644
--- a/chrome/browser/history/in_memory_url_index.h
+++ b/chrome/browser/history/in_memory_url_index.h
@@ -118,7 +118,8 @@ class InMemoryURLIndex : public content::NotificationObserver,
   // history items. This entry point simply forwards the call on to the
   // URLIndexPrivateData class. For a complete description of this function
   // refer to that class.
-  ScoredHistoryMatches HistoryItemsForTerms(const string16& term_string);
+  ScoredHistoryMatches HistoryItemsForTerms(const string16& term_string,
+                                            size_t cursor_position);
 
   // Deletes the index entry, if any, for the given |url|.
   void DeleteURL(const GURL& url);