Add a killswitch for CSD malware IP match and report feature. Use a new killswitch whitelist URL wh…

chrome/browser/safe_browsing/database_manager.h

Index: chrome/browser/safe_browsing/database_manager.h
diff --git a/chrome/browser/safe_browsing/database_manager.h b/chrome/browser/safe_browsing/database_manager.h
index 922715a013944c147fd255c12ca975d5f156e311..74cb14139c591f10d9dc8eb99b3763a22d409361 100644
--- a/chrome/browser/safe_browsing/database_manager.h
+++ b/chrome/browser/safe_browsing/database_manager.h
@@ -165,6 +165,9 @@ class SafeBrowsingDatabaseManager
   // This method is expected to be called on the IO thread.
   virtual bool MatchDownloadWhitelistString(const std::string& str);
 
+  // Check if the CSD malware IP matching kill switch is turned on.
+  virtual bool MalwareKillSwitchOn();
+
   // Called on the IO thread to cancel a pending check if the result is no
   // longer needed.
   void CancelCheck(Client* client);