Changes SearchProvider to set the description of the first consecutive

chrome/browser/autocomplete/autocomplete.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_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 384 matching lines @@
   // Returns the name of this provider.
   const char* name() const { return name_; }
 
   // Called to delete a match and the backing data that produced it.  This
   // match should not appear again in this or future queries.  This can only be
   // called for matches the provider marks as deletable.  This should only be
   // called when no query is running.
   // NOTE: Remember to call OnProviderUpdate() if matches_ is updated.
   virtual void DeleteMatch(const AutocompleteMatch& match);
 
+  // Invoked after combining the results from all providers (including sorting,
+  // culling and all that) but before the AutocompleteController's delegate is
+  // notified. This is exposed to allow providers to alter the descriptions of
+  // matches based on position in the final result set. Providers should not use
+  // this to add new matches.
+  virtual void PostProcessResult(AutocompleteResult* result);
+
+#ifdef UNIT_TEST
+  void set_listener(ACProviderListener* listener) { listener_ = listener; }
+#endif
   // A suggested upper bound for how many matches a provider should return.
   // TODO(pkasting): http://b/1111299 , http://b/933133 This should go away once
   // we have good relevance heuristics; the controller should handle all
   // culling.
   static const size_t kMaxMatches;
 
  protected:
   friend class base::RefCountedThreadSafe<AutocompleteProvider>;
 
   virtual ~AutocompleteProvider();
@@ skipping 317 matching lines @@
   AutocompleteInput::Type input_type;
   // Selected index (if selected) or -1 (AutocompletePopupModel::kNoMatch).
   size_t selected_index;
   // Inline autocompleted length (if displayed).
   size_t inline_autocompleted_length;
   // Result set.
   const AutocompleteResult& result;
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_H_