Plumb network stack information about existence of cached copy

chrome/renderer/extensions/extension_localization_peer.cc

 // 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.
 
 #include "chrome/renderer/extensions/extension_localization_peer.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_util.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/extensions/message_bundle.h"
@@ skipping 50 matching lines @@
 
 void ExtensionLocalizationPeer::OnReceivedData(const char* data,
                                                int data_length,
                                                int encoded_data_length) {
   data_.append(data, data_length);
 }
 
 void ExtensionLocalizationPeer::OnCompletedRequest(
     int error_code,
     bool was_ignored_by_handler,
+    bool stale_copy_in_cache,
     const std::string& security_info,
     const base::TimeTicks& completion_time) {
   // Make sure we delete ourselves at the end of this call.
   scoped_ptr<ExtensionLocalizationPeer> this_deleter(this);
 
   // Give sub-classes a chance at altering the data.
   if (error_code != net::OK) {
     // We failed to load the resource.
     original_peer_->OnReceivedResponse(response_info_);
-    original_peer_->OnCompletedRequest(net::ERR_ABORTED, false, security_info,
+    original_peer_->OnCompletedRequest(net::ERR_ABORTED, false,
+                                       stale_copy_in_cache, security_info,
                                        completion_time);
     return;
   }
 
   ReplaceMessages();
 
   original_peer_->OnReceivedResponse(response_info_);
   if (!data_.empty())
     original_peer_->OnReceivedData(data_.data(),
                                    static_cast<int>(data_.size()),
                                    -1);
   original_peer_->OnCompletedRequest(error_code, was_ignored_by_handler,
+                                     stale_copy_in_cache,
                                      security_info, completion_time);
 }
 
 void ExtensionLocalizationPeer::ReplaceMessages() {
   if (!message_sender_ || data_.empty())
     return;
 
   if (!request_url_.is_valid())
     return;
 
@@ skipping 13 matching lines @@
 
     l10n_messages = extensions::GetL10nMessagesMap(extension_id);
   }
 
   std::string error;
   if (extensions::MessageBundle::ReplaceMessagesWithExternalDictionary(
           *l10n_messages, &data_, &error)) {
     data_.resize(data_.size());
   }
 }