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

content/browser/service_worker/service_worker_fetch_dispatcher.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_FETCH_DISPATCHER_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_FETCH_DISPATCHER_H_
 
 #include <memory>
 
 #include "base/callback.h"
@@ skipping 43 matching lines @@
   // |preload_handle_|. Returns true if it started navigation preload.
   // |on_response| is invoked in OnReceiveResponse().
   bool MaybeStartNavigationPreload(net::URLRequest* original_request,
                                    base::OnceClosure on_response);
 
   // Dispatches a fetch event to the |version| given in ctor, and fires
   // |fetch_callback| (also given in ctor) when finishes. It runs
   // |prepare_callback| as an intermediate step once the version is activated
   // and running.
   void Run();
+  void set_renderer_request_time(base::TimeTicks t) {
+    renderer_request_time_ = t;
+  }
+  void set_handler_creation_time(base::TimeTicks t) {
+    handler_creation_time_ = t;
+  }
+  void set_job_creation_time(base::TimeTicks t) { job_creation_time_ = t; }
+  void set_worker_start_time(base::TimeTicks t) { worker_start_time_ = t; }
 
  private:
   class ResponseCallback;
   class URLLoaderAssets;
 
   void DidWaitForActivation();
   void StartWorker();
   void DidStartWorker();
   void DidFailToStartWorker(ServiceWorkerStatusCode status);
   void DispatchFetchEvent();
   void DidFailToDispatch(ServiceWorkerStatusCode status);
   void DidFail(ServiceWorkerStatusCode status);
   void DidFinish(int request_id,
                  ServiceWorkerFetchEventResult fetch_result,
-                 const ServiceWorkerResponse& response);
+                 const ServiceWorkerResponse& response,
+                 base::TimeTicks response_time);
   void Complete(ServiceWorkerStatusCode status,
                 ServiceWorkerFetchEventResult fetch_result,
                 const ServiceWorkerResponse& response);
 
   static void OnFetchEventFinished(
       ServiceWorkerVersion* version,
       int event_finish_id,
       scoped_refptr<URLLoaderAssets> url_loader_assets,
+      base::TimeTicks renderer_request_time,
+      base::TimeTicks handler_creation_time,
+      base::TimeTicks job_creation_time,
+      base::TimeTicks worker_start_time,
+      base::TimeTicks worker_ready_time,
+      base::TimeTicks dispatch_event_time_ticks,
       ServiceWorkerStatusCode status,
       base::Time dispatch_event_time);
 
   ServiceWorkerMetrics::EventType GetEventType() const;
 
   scoped_refptr<ServiceWorkerVersion> version_;
   net::NetLogWithSource net_log_;
   base::Closure prepare_callback_;
   FetchCallback fetch_callback_;
   std::unique_ptr<ServiceWorkerFetchRequest> request_;
   ResourceType resource_type_;
   base::Optional<base::TimeDelta> timeout_;
   bool did_complete_;
 
   scoped_refptr<URLLoaderAssets> url_loader_assets_;
 
   mojom::FetchEventPreloadHandlePtr preload_handle_;
 
+  base::TimeTicks renderer_request_time_;
+  base::TimeTicks handler_creation_time_;
+  base::TimeTicks job_creation_time_;
+  base::TimeTicks worker_start_time_;
+  base::TimeTicks worker_ready_time_;
   base::WeakPtrFactory<ServiceWorkerFetchDispatcher> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerFetchDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_FETCH_DISPATCHER_H_