Dispatch encoded_data_length separately in content/child

chrome/renderer/extensions/extension_localization_peer.h

 // Copyright 2013 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 CHROME_RENDERER_EXTENSIONS_EXTENSION_LOCALIZATION_PEER_H_
 #define CHROME_RENDERER_EXTENSIONS_EXTENSION_LOCALIZATION_PEER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 24 matching lines @@
       const std::string& mime_type,
       const GURL& request_url);
 
   // content::RequestPeer methods.
   void OnUploadProgress(uint64_t position, uint64_t size) override;
   bool OnReceivedRedirect(const net::RedirectInfo& redirect_info,
                           const content::ResourceResponseInfo& info) override;
   void OnReceivedResponse(const content::ResourceResponseInfo& info) override;
   void OnDownloadedData(int len, int encoded_data_length) override {}
   void OnReceivedData(std::unique_ptr<ReceivedData> data) override;
+  void OnTransferSizeUpdated(int transfer_size_diff) override;
   void OnCompletedRequest(int error_code,
                           bool was_ignored_by_handler,
                           bool stale_copy_in_cache,
                           const base::TimeTicks& completion_time,
                           int64_t total_transfer_size,
                           int64_t encoded_body_size) override;
 
  private:
   friend class ExtensionLocalizationPeerTest;
 
@@ skipping 20 matching lines @@
   std::string data_;
 
   // Original request URL.
   GURL request_url_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ExtensionLocalizationPeer);
 };
 
 #endif  // CHROME_RENDERER_EXTENSIONS_EXTENSION_LOCALIZATION_PEER_H_