[Not for review] record detailed time breakdown of SW related requests.

content/browser/service_worker/service_worker_context_request_handler.h

 // Copyright 2014 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 CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_REQUEST_HANDLER_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_REQUEST_HANDLER_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
+#include "base/time/time.h"
 #include "content/browser/service_worker/service_worker_request_handler.h"
 
 namespace content {
 
 class ServiceWorkerVersion;
 
 // A request handler derivative used to handle requests from
 // service workers.
 class CONTENT_EXPORT ServiceWorkerContextRequestHandler
     : public ServiceWorkerRequestHandler {
@@ skipping 30 matching lines @@
     ERROR_OUT_OF_RESOURCE_IDS,
     // Add new types here.
 
     NUM_TYPES
   };
 
   ServiceWorkerContextRequestHandler(
       base::WeakPtr<ServiceWorkerContextCore> context,
       base::WeakPtr<ServiceWorkerProviderHost> provider_host,
       base::WeakPtr<storage::BlobStorageContext> blob_storage_context,
-      ResourceType resource_type);
+      ResourceType resource_type,
+      base::TimeTicks request_start);
   ~ServiceWorkerContextRequestHandler() override;
 
   // Called via custom URLRequestJobFactory.
   net::URLRequestJob* MaybeCreateJob(
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate,
       ResourceContext* resource_context) override;
 
   static std::string CreateJobStatusToString(CreateJobStatus status);
 
  private:
   net::URLRequestJob* MaybeCreateJobImpl(net::URLRequest* request,
                                          net::NetworkDelegate* network_delegate,
                                          CreateJobStatus* out_status);
 
   scoped_refptr<ServiceWorkerVersion> version_;
+  const base::TimeTicks creation_time;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerContextRequestHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_REQUEST_HANDLER_H_