Small: Use WebBase64/UrlBase64 encoding for requests sent to the server.

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 78 matching lines @@
 
   // The method to populate |gurl| with the URL to be sent to the server.
   // |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 base 64 encoded request as a string.
-  static std::string GetBase64SerializedUpdateRequestProto(
+  // Returns the serialized and base64 URL encoded request as a string.
+  static std::string GetWebBase64SerializedUpdateRequestProto(
       const StoreStateMap* store_state_map);
 
   // 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,
       std::vector<ListUpdateResponse>* list_update_responses);
 
@@ skipping 74 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_