V4Only: In V4Only mode use PVer4 for all SafeBrowsing operations

chrome/browser/safe_browsing/safe_browsing_service.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.
 //
 // The Safe Browsing service is responsible for downloading anti-phishing and
 // anti-malware tables and checking urls against them.
 
 #ifndef CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_SERVICE_H_
 #define CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_SERVICE_H_
 
@@ skipping 107 matching lines @@
   // The DownloadProtectionService is not valid after the SafeBrowsingService
   // is destroyed.
   DownloadProtectionService* download_protection_service() const {
     return services_delegate_->GetDownloadService();
   }
 
   net::URLRequestContextGetter* url_request_context();
 
   const scoped_refptr<SafeBrowsingUIManager>& ui_manager() const;
 
+  // This returns either the v3 or the v4 database manager, depending on
+  // the experiment settings.
   const scoped_refptr<SafeBrowsingDatabaseManager>& database_manager() const;
 
   SafeBrowsingProtocolManager* protocol_manager() const;
 
   SafeBrowsingPingManager* ping_manager() const;
 
-  const scoped_refptr<V4LocalDatabaseManager>& v4_local_database_manager()
+  // This may be NULL if v4 is not enabled by experiment.
+  const scoped_refptr<SafeBrowsingDatabaseManager>& v4_local_database_manager()
       const;
 
   // Returns a preference validation delegate that adds incidents to the
   // incident reporting service for validation failures. Returns NULL if the
   // service is not applicable for the given profile.
   std::unique_ptr<TrackedPreferenceValidationDelegate>
   CreatePreferenceValidationDelegate(Profile* profile) const;
 
   // Registers |callback| to be run after some delay following process launch.
   // |callback| will be dropped if the service is not applicable for the
@@ skipping 111 matching lines @@
   std::unique_ptr<SafeBrowsingPingManager> ping_manager_;
 
   // Whether the service is running. 'enabled_' is used by SafeBrowsingService
   // on the IO thread during normal operations.
   bool enabled_;
 
   // Whether SafeBrowsing is enabled by the current set of profiles.
   // Accessed on UI thread.
   bool enabled_by_prefs_;
 
+  // Whether SafeBrowsing needs to be enabled in V4Only mode. In this mode, all
+  // SafeBrowsing decisions are made using the PVer4 implementation.
+  bool enabled_v4_only_;
+
   // Tracks existing PrefServices, and the safe browsing preference on each.
   // This is used to determine if any profile is currently using the safe
   // browsing service, and to start it up or shut it down accordingly.
   // Accessed on UI thread.
   std::map<PrefService*, std::unique_ptr<PrefChangeRegistrar>> prefs_map_;
 
   // Used to track creation and destruction of profiles on the UI thread.
   content::NotificationRegistrar prefs_registrar_;
 
   // Callbacks when SafeBrowsing state might have changed.
@@ skipping 17 matching lines @@
   SafeBrowsingServiceFactory() { }
   virtual ~SafeBrowsingServiceFactory() { }
   virtual SafeBrowsingService* CreateSafeBrowsingService() = 0;
  private:
   DISALLOW_COPY_AND_ASSIGN(SafeBrowsingServiceFactory);
 };
 
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_SERVICE_H_