A working implementation of AQS (Assisted Query Stats).

chrome/browser/autocomplete/autocomplete.h

 // Copyright (c) 2012 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 544 matching lines @@
   // Vector-style accessors/operators.
   size_t size() const;
   bool empty() const;
   const_iterator begin() const;
   iterator begin();
   const_iterator end() const;
   iterator end();
 
   // Returns the match at the given index.
   const AutocompleteMatch& match_at(size_t index) const;
+  AutocompleteMatch* match_at(size_t index);
 
   // Get the default match for the query (not necessarily the first).  Returns
   // end() if there is no default match.
   const_iterator default_match() const { return default_match_; }
 
   GURL alternate_nav_url() const { return alternate_nav_url_; }
 
   // Clears the matches for this result set.
   void Reset();
 
@@ skipping 150 matching lines @@
   // of various providers.  In turn, calls
   // AutocompleteProvider::AddProviderInfo() so each provider can add
   // provider-specific information, information we want to log for a
   // particular provider but not others.
   void AddProvidersInfo(ProvidersInfo* provider_info) const;
 
  private:
   friend class AutocompleteProviderTest;
   FRIEND_TEST_ALL_PREFIXES(AutocompleteProviderTest,
                            RedundantKeywordsIgnoredInResult);
+  FRIEND_TEST_ALL_PREFIXES(AutocompleteProviderTest, UpdateAssistedQueryStats);
 
   // Updates |result_| to reflect the current provider state.  Resets timers and
   // fires notifications as necessary.  |is_synchronous_pass| is true only when
   // Start() is calling this to get the synchronous result.
   void UpdateResult(bool is_synchronous_pass);
 
   // Updates |result| to populate each match's |associated_keyword| if that
   // match can show a keyword hint.  |result| should be sorted by
   // relevance before this is called.
   void UpdateAssociatedKeywords(AutocompleteResult* result);
 
   // For each group of contiguous matches from the same TemplateURL, show the
   // provider name as a description on the first match in the group.
   void UpdateKeywordDescriptions(AutocompleteResult* result);
 
+  // For each AutocompleteMatch returned by SearchProvider, updates the
+  // destination_url iff the provider's TemplateURL supports assisted query
+  // stats.
+  void UpdateAssistedQueryStats(AutocompleteResult* result);
+
   // Calls AutocompleteControllerDelegate::OnResultChanged() and if done sends
   // AUTOCOMPLETE_CONTROLLER_RESULT_READY.
   void NotifyChanged(bool notify_default_match);
 
   // Updates |done_| to be accurate with respect to current providers' statuses.
   void CheckIfDone();
 
   // Starts the expire timer.
   void StartExpireTimer();
 
@@ skipping 73 matching lines @@
   size_t inline_autocompleted_length;
   // Result set.
   const AutocompleteResult& result;
   // Diagnostic information from providers.  See
   // AutocompleteController::AddProvidersInfo() and
   // AutocompleteProvider::AddProviderInfo() above.
   ProvidersInfo providers_info;
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_H_