webkitgtk-2.4.11webkitgtk-2.4.11

1 files changed, 8 insertions, 9 deletions

diff --git a/Source/WebCore/Modules/websockets/ThreadableWebSocketChannel.cpp b/Source/WebCore/Modules/websockets/ThreadableWebSocketChannel.cpp
index a272852dc..919c60501 100644
--- a/Source/WebCore/Modules/websockets/ThreadableWebSocketChannel.cpp
+++ b/Source/WebCore/Modules/websockets/ThreadableWebSocketChannel.cpp
@@ -44,7 +44,7 @@
 #include "WorkerThread.h"
 #include "WorkerThreadableWebSocketChannel.h"
 #include <wtf/PassRefPtr.h>
-#include <wtf/text/StringBuilder.h>
+#include <wtf/text/WTFString.h>
 
 namespace WebCore {
 
@@ -55,16 +55,15 @@ PassRefPtr<ThreadableWebSocketChannel> ThreadableWebSocketChannel::create(Script
     ASSERT(context);
     ASSERT(client);
 
-    if (is<WorkerGlobalScope>(*context)) {
-        WorkerGlobalScope& workerGlobalScope = downcast<WorkerGlobalScope>(*context);
-        WorkerRunLoop& runLoop = workerGlobalScope.thread().runLoop();
-        StringBuilder mode;
-        mode.appendLiteral(webSocketChannelMode);
-        mode.appendNumber(runLoop.createUniqueId());
-        return WorkerThreadableWebSocketChannel::create(&workerGlobalScope, client, mode.toString());
+    if (context->isWorkerGlobalScope()) {
+        WorkerGlobalScope* workerGlobalScope = static_cast<WorkerGlobalScope*>(context);
+        WorkerRunLoop& runLoop = workerGlobalScope->thread()->runLoop();
+        String mode = webSocketChannelMode;
+        mode.append(String::number(runLoop.createUniqueId()));
+        return WorkerThreadableWebSocketChannel::create(workerGlobalScope, client, mode);
     }
 
-    return WebSocketChannel::create(downcast<Document>(context), client);
+    return WebSocketChannel::create(toDocument(context), client);
 }
 
 } // namespace WebCore