Add support for a module whitelist (goog-whitemodule-digest256) to the safe browsing db

components/safe_browsing_db/database_manager.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 COMPONENTS_SAFE_BROWSING_DB_DATABASE_MANAGER_H_
 #define COMPONENTS_SAFE_BROWSING_DB_DATABASE_MANAGER_H_
 
@@ skipping 100 matching lines @@
   // sure we are conservative we will return true if an error occurs.  This
   // method must be called on the IO thread.
   virtual bool MatchDownloadWhitelistString(const std::string& str) = 0;
 
   // Check if the |url| matches any of the full-length hashes from the off-
   // domain inclusion whitelist. Returns true if there was a match and false
   // otherwise. To make sure we are conservative, we will return true if an
   // error occurs.  This method must be called on the IO thread.
   virtual bool MatchInclusionWhitelistUrl(const GURL& url) = 0;
 
+  // Check if |str| matches any of the full-length hashes from the module

[Nathan Parker, 2016/02/16 21:20:53]

Add a line describing |str|'s format, and describe how this is used, so
new-comers to this code will have context.  "module" is rather vague.

[proberge, 2016/02/16 22:30:17]

Done.

+  // whitelist.  Returns true if there was a match and false otherwise.  To make
+  // sure we are conservative we will return true if an error occurs.  This
+  // method must be called on the IO thread.
+  virtual bool MatchModuleWhitelistString(const std::string& str) = 0;
+
   // Check if the CSD malware IP matching kill switch is turned on.
   virtual bool IsMalwareKillSwitchOn() = 0;
 
   // Check if the CSD whitelist kill switch is turned on.
   virtual bool IsCsdWhitelistKillSwitchOn() = 0;
 
   // Called on the IO thread to cancel a pending check if the result is no
   // longer needed.  Also called after the result has been handled.
   virtual void CancelCheck(Client* client) = 0;
 
@@ skipping 16 matching lines @@
 
  protected:
   virtual ~SafeBrowsingDatabaseManager() {}
 
   friend class base::RefCountedThreadSafe<SafeBrowsingDatabaseManager>;
 };  // class SafeBrowsingDatabaseManager
 
 }  // namespace safe_browsing
 
 #endif  // COMPONENTS_SAFE_BROWSING_DB_DATABASE_MANAGER_H_