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

Source/modules/serviceworkers/Client.cpp

Index: Source/modules/serviceworkers/Client.cpp
diff --git a/Source/modules/serviceworkers/Client.cpp b/Source/modules/serviceworkers/Client.cpp
index 974eef1495358cefb3f59c9b092a3ab69dd9db54..e837a9674f3d02668ae287bda59991ec1aba9d90 100644
--- a/Source/modules/serviceworkers/Client.cpp
+++ b/Source/modules/serviceworkers/Client.cpp
@@ -33,8 +33,8 @@ void Client::postMessage(ExecutionContext* context, PassRefPtr<SerializedScriptV
     if (exceptionState.hadException())
         return;
 
-    blink::WebString messageString = message->toWireString();
-    OwnPtr<blink::WebMessagePortChannelArray> webChannels = MessagePort::toWebMessagePortChannelArray(channels.release());
+    WebString messageString = message->toWireString();
+    OwnPtr<WebMessagePortChannelArray> webChannels = MessagePort::toWebMessagePortChannelArray(channels.release());
     ServiceWorkerGlobalScopeClient::from(context)->postMessageToClient(m_id, messageString, webChannels.release());
 }