Show service worker navigation preload requests in DevTools Network tab

third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h

Index: third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h
diff --git a/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h b/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h
index 1028a5923fc0c8a281c4f294f958516a6837b193..9a0efeb9f38e1902d034603f1d57bf984871b6c9 100644
--- a/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h
+++ b/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h
@@ -31,6 +31,7 @@
 #ifndef WebServiceWorkerContextProxy_h
 #define WebServiceWorkerContextProxy_h
 
+#include "base/time/time.h"
 #include "public/platform/WebMessagePortChannel.h"
 #include "public/platform/modules/serviceworker/WebServiceWorker.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerRegistration.h"
@@ -46,6 +47,7 @@ struct WebNotificationData;
 struct WebPaymentAppRequestData;
 struct WebServiceWorkerClientInfo;
 struct WebServiceWorkerError;
+class WebURL;
 class WebURLResponse;
 
 // A proxy interface to talk to the worker's GlobalScope implementation.
@@ -100,6 +102,10 @@ class WebServiceWorkerContextProxy {
   virtual void dispatchPaymentRequestEvent(int eventID,
                                            const WebPaymentAppRequestData&) = 0;
 
+  virtual void onNavigationPreloadSent(int fetchEventID,

[falken, 2017/01/19 13:40:58]

nit: probably worth a comment that sentTimestamp and sentWallTime are for
reporting to DevTools.

[horo, 2017/01/19 14:33:04]

Done.

+                                       const WebURL&,
+                                       base::TimeTicks sentTimestamp,
+                                       base::Time sentWallTime) = 0;
   virtual void onNavigationPreloadResponse(
       int fetchEventID,
       std::unique_ptr<WebURLResponse>,
@@ -107,6 +113,7 @@ class WebServiceWorkerContextProxy {
   virtual void onNavigationPreloadError(
       int fetchEventID,
       std::unique_ptr<WebServiceWorkerError>) = 0;
+  virtual void onNavigationPreloadCompleted(int fetchEventID) = 0;
 };
 
 }  // namespace blink