predictors: Highlight prefetchable resources in webui.

chrome/browser/predictors/resource_prefetch_predictor.h

 // Copyright 2014 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_PREDICTORS_RESOURCE_PREFETCH_PREDICTOR_H_
 #define CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_PREDICTOR_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 202 matching lines @@
 
   // Called when ResourcePrefetcher is finished, i.e. there is nothing pending
   // in flight.
   void OnPrefetchingFinished(
       const GURL& main_frame_url,
       std::unique_ptr<ResourcePrefetcher::PrefetcherStats> stats);
 
   // Returns true if prefetching data exists for the |main_frame_url|.
   virtual bool IsUrlPrefetchable(const GURL& main_frame_url);
 
+  // Returns true iff |resource| has sufficient confidence level and required
+  // number of hits.
+  bool IsResourcePrefetchable(const ResourceData& resource) const;
+
   // Sets the |observer| to be notified when the resource prefetch predictor
   // data changes. Previously registered observer will be discarded. Call
   // this with nullptr parameter to de-register observer.
   void SetObserverForTesting(TestObserver* observer);
 
  private:
   friend class ::PredictorsHandler;
   friend class ResourcePrefetchPredictorTest;
   friend class ResourcePrefetchPredictorBrowserTest;
 
@@ skipping 130 matching lines @@
                        RedirectDataMap* redirect_map);
 
   // Updates information about final redirect destination for |key| in
   // |redirect_map| and correspondingly updates the predictor database.
   void LearnRedirect(const std::string& key,
                      PrefetchKeyType key_type,
                      const std::string& final_redirect,
                      size_t max_redirect_map_size,
                      RedirectDataMap* redirect_map);
 
-  // Returns true iff |resource| has sufficient confidence level and required
-  // number of hits.
-  bool IsResourcePrefetchable(const ResourceData& resource) const;
-
   // Reports database readiness metric defined as percentage of navigated hosts
   // found in DB for last X entries in history.
   void ReportDatabaseReadiness(const history::TopHostsList& top_hosts) const;
 
   // history::HistoryServiceObserver:
   void OnURLsDeleted(history::HistoryService* history_service,
                      bool all_history,
                      bool expired,
                      const history::URLRows& deleted_rows,
                      const std::set<GURL>& favicon_urls) override;
@@ skipping 61 matching lines @@
 
  private:
   ResourcePrefetchPredictor* predictor_;
 
   DISALLOW_COPY_AND_ASSIGN(TestObserver);
 };
 
 }  // namespace predictors
 
 #endif  // CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_PREDICTOR_H_