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

content/browser/service_worker/service_worker_fetch_dispatcher.h

Index: content/browser/service_worker/service_worker_fetch_dispatcher.h
diff --git a/content/browser/service_worker/service_worker_fetch_dispatcher.h b/content/browser/service_worker/service_worker_fetch_dispatcher.h
index 192e17beb009526e1b3f757bec186f576da1c659..3c3ed90c7b6bf8f7a257793ee81fad6ea4cbae02 100644
--- a/content/browser/service_worker/service_worker_fetch_dispatcher.h
+++ b/content/browser/service_worker/service_worker_fetch_dispatcher.h
@@ -61,6 +61,14 @@ class CONTENT_EXPORT ServiceWorkerFetchDispatcher {
   // |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;
@@ -75,7 +83,8 @@ class CONTENT_EXPORT ServiceWorkerFetchDispatcher {
   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);
@@ -84,6 +93,12 @@ class CONTENT_EXPORT ServiceWorkerFetchDispatcher {
       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);
 
@@ -102,6 +117,11 @@ class CONTENT_EXPORT ServiceWorkerFetchDispatcher {
 
   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);