Change logic for recording redirect pattern histograms.

components/subresource_filter/content/browser/content_subresource_filter_driver_factory.h

 // Copyright 2016 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 COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_CONTENT_SUBRESOURCE_FILTER_DRIVER_FACTORY_H_
 #define COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_CONTENT_SUBRESOURCE_FILTER_DRIVER_FACTORY_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 134 matching lines @@
                                     const GURL& url);
 
   // Internal implementation of ReadyToCommitNavigation which doesn't use
   // NavigationHandle to ease unit tests.
   void ReadyToCommitNavigationInternal(
       content::RenderFrameHost* render_frame_host,
       const GURL& url,
       const content::Referrer& referrer,
       ui::PageTransition page_transition);
 
-  bool DidURLMatchCurrentActivationList(const GURL& url) const;
+  bool DidURLMatchActivationList(const GURL& url,
+                                 ActivationList activation_list) const;
 
   void AddActivationListMatch(const GURL& url, ActivationList match_type);
+  int CalculateHitPatternForActivationList(
+      ActivationList activation_list) const;
   void RecordRedirectChainMatchPattern() const;
 
+  void RecordRedirectChainMatchPatternForList(
+      ActivationList activation_list) const;
+
   std::unique_ptr<SubresourceFilterClient> client_;
 
   HostPathSet whitelisted_hosts_;
 
   ActivationLevel activation_level_;
   ActivationDecision activation_decision_;
   bool measure_performance_;
 
   // The URLs in the navigation chain.
   std::vector<GURL> navigation_chain_;
 
   URLToActivationListsMap activation_list_matches_;
 
   // Statistics about subresource loads, aggregated across all frames of the
   // current page.
   DocumentLoadStatistics aggregated_document_statistics_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentSubresourceFilterDriverFactory);
 };
 
 }  // namespace subresource_filter
 
 #endif  // COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_CONTENT_SUBRESOURCE_FILTER_DRIVER_FACTORY_H_