Add ServiceWorker timing information on the popup panel in DevTools's Network tab (2/2)

content/browser/service_worker/service_worker_url_request_job.cc

Index: content/browser/service_worker/service_worker_url_request_job.cc
diff --git a/content/browser/service_worker/service_worker_url_request_job.cc b/content/browser/service_worker/service_worker_url_request_job.cc
index aa1cf1ffff75baa73649d11c78f81ef36dfad55e..49b2b445433acf0eadf860af41c634c78ed093ca 100644
--- a/content/browser/service_worker/service_worker_url_request_job.cc
+++ b/content/browser/service_worker/service_worker_url_request_job.cc
@@ -11,6 +11,7 @@
 #include "base/bind.h"
 #include "base/guid.h"
 #include "base/strings/stringprintf.h"
+#include "base/time/time.h"
 #include "content/browser/service_worker/service_worker_fetch_dispatcher.h"
 #include "content/browser/service_worker/service_worker_provider_host.h"
 #include "content/common/resource_request_body.h"
@@ -26,6 +27,9 @@
 #include "webkit/browser/blob/blob_storage_context.h"
 #include "webkit/browser/blob/blob_url_request_job_factory.h"
 
+using base::Time;
+using base::TimeTicks;
+
 namespace content {
 
 ServiceWorkerURLRequestJob::ServiceWorkerURLRequestJob(
@@ -88,6 +92,12 @@ void ServiceWorkerURLRequestJob::GetResponseInfo(net::HttpResponseInfo* info) {
   if (!http_info())
     return;
   *info = *http_info();
+  info->response_time = response_time_;
+}
+
+void ServiceWorkerURLRequestJob::GetLoadTimingInfo(
+  net::LoadTimingInfo* load_timing_info) const {
+  *load_timing_info = load_timing_info_;
 }
 
 int ServiceWorkerURLRequestJob::GetResponseCode() const {
@@ -159,6 +169,7 @@ void ServiceWorkerURLRequestJob::OnBeforeNetworkStart(net::URLRequest* request,
 void ServiceWorkerURLRequestJob::OnResponseStarted(net::URLRequest* request) {
   // TODO(falken): Add Content-Length, Content-Type if they were not provided in
   // the ServiceWorkerResponse.
+  response_time_ = base::Time::Now();
   CommitResponseHeader();
 }
 
@@ -222,6 +233,8 @@ void ServiceWorkerURLRequestJob::StartRequest() {
       return;
 
     case FORWARD_TO_SERVICE_WORKER:
+      load_timing_info_.request_start_time = base::Time::Now();
+      load_timing_info_.request_start = base::TimeTicks::Now();
       DCHECK(provider_host_ && provider_host_->active_version());
       DCHECK(!fetch_dispatcher_);
       // Send a fetch event to the ServiceWorker associated to the
@@ -233,6 +246,8 @@ void ServiceWorkerURLRequestJob::StartRequest() {
                      weak_factory_.GetWeakPtr()),
           base::Bind(&ServiceWorkerURLRequestJob::DidDispatchFetchEvent,
                      weak_factory_.GetWeakPtr())));
+      load_timing_info_.serviceworker_timing.fetch_start =
+        base::TimeTicks::Now();
       fetch_dispatcher_->Run();
       return;
   }
@@ -324,8 +339,8 @@ bool ServiceWorkerURLRequestJob::CreateRequestBodyBlob(std::string* blob_uuid,
 }
 
 void ServiceWorkerURLRequestJob::DidPrepareFetchEvent() {
-  // TODO(shimazu): Set the timestamp to measure the time to launch SW
-  // This is related to this (http://crbug.com/401389)
+  load_timing_info_.serviceworker_timing.launch_serviceworker =

[horo, 2014/08/28 07:00:08]

"launch_serviceworker" is not appropriate.
ServiceWorker may be already launched before fetch_start.
I think fetch_ready is better.

[shimazu, 2014/08/29 02:16:33]

Done.

+    base::TimeTicks::Now();
 }
 
 void ServiceWorkerURLRequestJob::DidDispatchFetchEvent(
@@ -359,6 +374,7 @@ void ServiceWorkerURLRequestJob::DidDispatchFetchEvent(
 
   // We should have a response now.
   DCHECK_EQ(SERVICE_WORKER_FETCH_EVENT_RESULT_RESPONSE, fetch_result);
+  load_timing_info_.serviceworker_timing.fetch_end = base::TimeTicks::Now();
 
   // Set up a request for reading the blob.
   if (!response.blob_uuid.empty() && blob_storage_context_) {
@@ -377,14 +393,15 @@ void ServiceWorkerURLRequestJob::DidDispatchFetchEvent(
   response_url_ = response.url;
   CreateResponseHeader(
       response.status_code, response.status_text, response.headers);
+  load_timing_info_.receive_headers_end = base::TimeTicks::Now();
   if (!blob_request_)
     CommitResponseHeader();
 }
 
 void ServiceWorkerURLRequestJob::CreateResponseHeader(
-    int status_code,
-    const std::string& status_text,
-    const std::map<std::string, std::string>& headers) {
+  int status_code,
+  const std::string& status_text,
+  const std::map<std::string, std::string>& headers) {
   // TODO(kinuko): If the response has an identifier to on-disk cache entry,
   // pull response header from the disk.
   std::string status_line(