Add workerReady timing for ServiceWorker controlled requests [2/3]

content/browser/loader/resource_loader.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/resource_loader.h"
 
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/profiler/scoped_tracker.h"
@@ skipping 50 matching lines @@
   response->head.was_fetched_via_proxy = request->was_fetched_via_proxy();
   response->head.proxy_server = response_info.proxy_server;
   response->head.socket_address = request->GetSocketAddress();
   if (ServiceWorkerRequestHandler* handler =
           ServiceWorkerRequestHandler::GetHandler(request)) {
     handler->GetExtraResponseInfo(
         &response->head.was_fetched_via_service_worker,
         &response->head.was_fallback_required_by_service_worker,
         &response->head.original_url_via_service_worker,
         &response->head.response_type_via_service_worker,
-        &response->head.service_worker_start_time);
+        &response->head.service_worker_start_time,
+        &response->head.service_worker_ready_time);

[mmenke, 2015/06/05 15:24:02]

Hrm...Wonder if we should just pass in response, or &response->head.  Fine
as-is, regardless.

[Kunihiko Sakamoto, 2015/06/08 01:51:43]

That makes sense, done.

   }
   AppCacheInterceptor::GetExtraResponseInfo(
       request,
       &response->head.appcache_id,
       &response->head.appcache_manifest_url);
   if (info->is_load_timing_enabled())
     request->GetLoadTimingInfo(&response->head.load_timing);
 }
 
 }  // namespace
@@ skipping 684 matching lines @@
       case net::URLRequestStatus::FAILED:
         status = STATUS_UNDEFINED;
         break;
     }
 
     UMA_HISTOGRAM_ENUMERATION("Net.Prefetch.Pattern", status, STATUS_MAX);
   }
 }
 
 }  // namespace content