DevTools: Decorate requests from SW on Timeline

third_party/WebKit/Source/core/inspector/InspectorTraceEvents.cpp

Index: third_party/WebKit/Source/core/inspector/InspectorTraceEvents.cpp
diff --git a/third_party/WebKit/Source/core/inspector/InspectorTraceEvents.cpp b/third_party/WebKit/Source/core/inspector/InspectorTraceEvents.cpp
index 1a4e6864cd0469851ba5f6355f7ee55b524ba006..9a57c8c16ec50411487dc5f75365bbe3e49573f7 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorTraceEvents.cpp
+++ b/third_party/WebKit/Source/core/inspector/InspectorTraceEvents.cpp
@@ -560,6 +560,8 @@ std::unique_ptr<TracedValue> InspectorReceiveResponseEvent::data(
     recordTiming(*response.resourceLoadTiming(), value.get());
     value->endDictionary();
   }
+  if (response.wasFetchedViaServiceWorker())
+    value->setBoolean("fromServiceWorker", true);
   return value;
 }