moebius#158: The Performance Resource Timing (added support for "workerStart")

https://github.com/MoonchildProductions/moebius/pull/158

devtools/server/actors/webconsole.js

@@ -778,8 +778,8 @@ WebConsoleActor.prototype =
           }
 
           // See `window` definition. It isn't always a DOM Window.
-          let requestStartTime = this.window && this.window.performance ?
-            this.window.performance.timing.requestStart : 0;
+          let winStartTime = this.window && this.window.performance ?
+            this.window.performance.timing.navigationStart : 0;
 
           let cache = this.consoleAPIListener
                       .getCachedMessages(!this.parentActor.isRootActor);
@@ -787,7 +787,7 @@ WebConsoleActor.prototype =
             // Filter out messages that came from a ServiceWorker but happened
             // before the page was requested.
             if (aMessage.innerID === "ServiceWorker" &&
-                requestStartTime > aMessage.timeStamp) {
+                winStartTime > aMessage.timeStamp) {
               return;
             }