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

content/browser/service_worker/service_worker_controllee_request_handler.cc

Index: content/browser/service_worker/service_worker_controllee_request_handler.cc
diff --git a/content/browser/service_worker/service_worker_controllee_request_handler.cc b/content/browser/service_worker/service_worker_controllee_request_handler.cc
index 76e9c2d3139b242ea1acf4b0bc601f4edd6c3a0c..28022b2403271c791ff6100d14f7f8c5c48602a7 100644
--- a/content/browser/service_worker/service_worker_controllee_request_handler.cc
+++ b/content/browser/service_worker/service_worker_controllee_request_handler.cc
@@ -70,7 +70,8 @@ ServiceWorkerControlleeRequestHandler::ServiceWorkerControlleeRequestHandler(
     ResourceType resource_type,
     RequestContextType request_context_type,
     RequestContextFrameType frame_type,
-    scoped_refptr<ResourceRequestBodyImpl> body)
+    scoped_refptr<ResourceRequestBodyImpl> body,
+    base::TimeTicks request_start)
     : ServiceWorkerRequestHandler(context,
                                   provider_host,
                                   blob_storage_context,
@@ -86,6 +87,8 @@ ServiceWorkerControlleeRequestHandler::ServiceWorkerControlleeRequestHandler(
       body_(body),
       force_update_started_(false),
       use_network_(false),
+      renderer_request_time_(request_start),
+      handler_creation_time_(base::TimeTicks::Now()),
       weak_factory_(this) {}
 
 ServiceWorkerControlleeRequestHandler::
@@ -141,6 +144,8 @@ net::URLRequestJob* ServiceWorkerControlleeRequestHandler::MaybeCreateJob(
           request_context_type_, frame_type_, body_,
           ServiceWorkerFetchType::FETCH, base::nullopt, this));
   job_ = job->GetWeakPtr();
+  job_->set_renderer_request_time(renderer_request_time_);
+  job_->set_handler_creation_time(handler_creation_time_);
 
   resource_context_ = resource_context;