Componentize SafeBrowsingBlockingPage for WebView use

components/security_interstitials/core/metrics_helper.h

 // Copyright 2015 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_SECURITY_INTERSTITIALS_CORE_METRICS_HELPER_H_
 #define COMPONENTS_SECURITY_INTERSTITIALS_CORE_METRICS_HELPER_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 74 matching lines @@
   void RecordUserDecision(Decision decision);
   void RecordUserInteraction(Interaction interaction);
   void RecordShutdownMetrics();
 
   // Number of times user visited this origin before. -1 means not-yet-set.
   int NumVisits();
 
  protected:
   // Subclasses should implement any embedder-specific recording logic in these
   // methods. They'll be invoked from the matching Record methods.
-  virtual void RecordExtraUserDecisionMetrics(Decision decision) = 0;
-  virtual void RecordExtraUserInteractionMetrics(Interaction interaction) = 0;
-  virtual void RecordExtraShutdownMetrics() = 0;
+  virtual void RecordExtraUserDecisionMetrics(Decision decision);
+  virtual void RecordExtraUserInteractionMetrics(Interaction interaction);
+  virtual void RecordExtraShutdownMetrics();
 
  private:
   // Used to query the HistoryService to see if the URL is in history.  It will
   // only be invoked if the constructor received |history_service|.
   void OnGotHistoryCount(bool success, int num_visits, base::Time first_visit);
 
   void RecordUserDecisionToMetrics(Decision decision,
                                    const std::string& histogram_name);
   const GURL request_url_;
   const ReportDetails settings_;
   int num_visits_;
   base::CancelableTaskTracker request_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsHelper);
 };
 
 }  // namespace security_interstitials
 
 #endif  // COMPONENTS_SECURITY_INTERSTITIALS_CORE_METRICS_HELPER_H_