Plumb network stack information about existence of cached copy

content/browser/loader/async_resource_handler.cc

 // Copyright (c) 2012 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 "content/browser/loader/async_resource_handler.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 333 matching lines @@
   // with a status() != SUCCESS and an error_code() == net::OK.
   if (status.status() == net::URLRequestStatus::CANCELED &&
       error_code == net::OK) {
     error_code = net::ERR_ABORTED;
   } else if (status.status() == net::URLRequestStatus::FAILED &&
              error_code == net::OK) {
     error_code = net::ERR_FAILED;
   }
 
   info->filter()->Send(
-      new ResourceMsg_RequestComplete(request_id,
-                                      error_code,
-                                      was_ignored_by_handler,
-                                      security_info,
-                                      completion_time));
+      new ResourceMsg_RequestComplete(
+          request_id, error_code, was_ignored_by_handler,
+          request()->response_info().was_cached,
+          security_info, completion_time));
 }
 
 bool AsyncResourceHandler::EnsureResourceBufferIsInitialized() {
   if (buffer_.get() && buffer_->IsInitialized())
     return true;
 
   if (!has_checked_for_sufficient_resources_) {
     has_checked_for_sufficient_resources_ = true;
     if (!rdh_->HasSufficientResourcesForRequest(request())) {
       controller()->CancelWithError(net::ERR_INSUFFICIENT_RESOURCES);
@@ skipping 13 matching lines @@
     request()->LogUnblocked();
     controller()->Resume();
   }
 }
 
 void AsyncResourceHandler::OnDefer() {
   request()->LogBlockedBy("AsyncResourceHandler");
 }
 
 }  // namespace content