Plumb network stack information about existence of cached copy

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 <string>
 
 #include "ipc/ipc_sender.h"
@@ skipping 26 matching lines @@
       GURL* new_first_party_for_cookies) OVERRIDE;
   virtual void OnReceivedResponse(
       const webkit_glue::ResourceResponseInfo& info) OVERRIDE;
   virtual void OnDownloadedData(int len, int encoded_data_length) OVERRIDE {}
   virtual void OnReceivedData(const char* data,
                               int data_length,
                               int encoded_data_length) OVERRIDE;
   virtual void OnCompletedRequest(
       int error_code,
       bool was_ignored_by_handler,
+      bool stale_copy_in_cache,
       const std::string& security_info,
       const base::TimeTicks& completion_time) OVERRIDE;
 
  private:
   friend class ExtensionLocalizationPeerTest;
 
   // Use CreateExtensionLocalizationPeer to create an instance.
   ExtensionLocalizationPeer(
       webkit_glue::ResourceLoaderBridge::Peer* peer,
       IPC::Sender* message_sender,
@@ skipping 17 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_