Cleanup blink:: prefix usage in Source/core/modules/[mediasource/*.cpp to websockets/*.cpp]

Source/modules/serviceworkers/WaitUntilObserver.cpp

Index: Source/modules/serviceworkers/WaitUntilObserver.cpp
diff --git a/Source/modules/serviceworkers/WaitUntilObserver.cpp b/Source/modules/serviceworkers/WaitUntilObserver.cpp
index 79a7af36cbca3edc7f1e635c49180d9af865d250..188026b65aec8b5be861e1ae61d154b2f2e7928f 100644
--- a/Source/modules/serviceworkers/WaitUntilObserver.cpp
+++ b/Source/modules/serviceworkers/WaitUntilObserver.cpp
@@ -111,7 +111,7 @@ void WaitUntilObserver::decrementPendingActivity()
         return;
 
     ServiceWorkerGlobalScopeClient* client = ServiceWorkerGlobalScopeClient::from(executionContext());
-    blink::WebServiceWorkerEventResult result = m_hasError ? blink::WebServiceWorkerEventResultRejected : blink::WebServiceWorkerEventResultCompleted;
+    WebServiceWorkerEventResult result = m_hasError ? WebServiceWorkerEventResultRejected : WebServiceWorkerEventResultCompleted;
     switch (m_type) {
     case Activate:
         client->didHandleActivateEvent(m_eventID, result);