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

content/browser/service_worker/service_worker_provider_host.cc

Index: content/browser/service_worker/service_worker_provider_host.cc
diff --git a/content/browser/service_worker/service_worker_provider_host.cc b/content/browser/service_worker/service_worker_provider_host.cc
index a32fdd32fea0d945eff3b333e822dd761e6becec..71dfd2ba6904ec92f0f89fc89e6280d431149fe0 100644
--- a/content/browser/service_worker/service_worker_provider_host.cc
+++ b/content/browser/service_worker/service_worker_provider_host.cc
@@ -371,7 +371,8 @@ ServiceWorkerProviderHost::CreateRequestHandler(
     RequestContextFrameType frame_type,
     base::WeakPtr<storage::BlobStorageContext> blob_storage_context,
     scoped_refptr<ResourceRequestBodyImpl> body,
-    bool skip_service_worker) {
+    bool skip_service_worker,
+    base::TimeTicks request_start) {
   // |skip_service_worker| is meant to apply to requests that could be handled
   // by a service worker, as opposed to requests for the service worker script
   // itself. So ignore it here for the service worker script and its imported
@@ -394,14 +395,15 @@ ServiceWorkerProviderHost::CreateRequestHandler(
   }
   if (IsHostToRunningServiceWorker()) {
     return base::MakeUnique<ServiceWorkerContextRequestHandler>(
-        context_, AsWeakPtr(), blob_storage_context, resource_type);
+        context_, AsWeakPtr(), blob_storage_context, resource_type,
+        request_start);
   }
   if (ServiceWorkerUtils::IsMainResourceType(resource_type) ||
       controlling_version()) {
     return base::MakeUnique<ServiceWorkerControlleeRequestHandler>(
         context_, AsWeakPtr(), blob_storage_context, request_mode,
         credentials_mode, redirect_mode, resource_type, request_context_type,
-        frame_type, body);
+        frame_type, body, request_start);
   }
   return std::unique_ptr<ServiceWorkerRequestHandler>();
 }