Set client_id and client_version in requests sent to SafeBrowsing

components/safe_browsing_db/v4_update_protocol_manager.h

 // Copyright 2016 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_SAFE_BROWSING_DB_V4_UPDATE_PROTOCOL_MANAGER_H_
 #define COMPONENTS_SAFE_BROWSING_DB_V4_UPDATE_PROTOCOL_MANAGER_H_
 
 // A class that implements Chrome's interface with the SafeBrowsing V4 update
 // protocol.
 //
@@ skipping 82 matching lines @@
   // |request_base64| is the base64 encoded form of an instance of the protobuf
   // FetchThreatListUpdatesRequest. Also sets the appropriate header values for
   // sending PVer4 requests in |headers|.
   void GetUpdateUrlAndHeaders(const std::string& request_base64,
                               GURL* gurl,
                               net::HttpRequestHeaders* headers) const;
 
   // Fills a FetchThreatListUpdatesRequest protocol buffer for a request.
   // Returns the serialized and base64 URL encoded request as a string.
   static std::string GetBase64SerializedUpdateRequestProto(
-      const StoreStateMap& store_state_map);
+      const StoreStateMap& store_state_map,

[Nathan Parker, 2016/09/20 00:54:36]

Would it be cleaner to make this function non-static and use config_, rather
than passing it in?

+      const V4ProtocolConfig& config);
 
   // Parses the base64 encoded response received from the server as a
   // FetchThreatListUpdatesResponse protobuf and returns each of the
   // ListUpdateResponse protobufs contained in it as a vector.
   // Returns true if parsing is successful, false otherwise.
   bool ParseUpdateResponse(const std::string& data_base64,
                            ParsedServerResponse* parsed_server_response);
 
   // Resets the update error counter and multiplier.
   void ResetUpdateErrors();
@@ skipping 72 matching lines @@
       const V4ProtocolConfig& config,
       V4UpdateCallback callback) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(V4UpdateProtocolManagerFactory);
 };
 
 }  // namespace safe_browsing
 
 #endif  // COMPONENTS_SAFE_BROWSING_DB_V4_UPDATE_PROTOCOL_MANAGER_H_