Use threadSafeBind() in ScriptStreamer

Source/bindings/core/v8/ScriptStreamer.cpp

Index: Source/bindings/core/v8/ScriptStreamer.cpp
diff --git a/Source/bindings/core/v8/ScriptStreamer.cpp b/Source/bindings/core/v8/ScriptStreamer.cpp
index 262bf813a20bda0f455ce0c3c2aa17587c943cda..ad5cfca5dc109e9b61c8c512d32ec55d024bc5f4 100644
--- a/Source/bindings/core/v8/ScriptStreamer.cpp
+++ b/Source/bindings/core/v8/ScriptStreamer.cpp
@@ -14,6 +14,7 @@
 #include "core/frame/Settings.h"
 #include "core/html/parser/TextResourceDecoder.h"
 #include "platform/SharedBuffer.h"
+#include "platform/ThreadSafeFunctional.h"
 #include "platform/TraceEvent.h"
 #include "public/platform/Platform.h"
 #include "wtf/MainThread.h"
@@ -316,7 +317,7 @@ void ScriptStreamer::streamingCompleteOnBackgroundThread()
 
     // notifyFinished might already be called, or it might be called in the
     // future (if the parsing finishes earlier because of a parse error).
-    Platform::current()->mainThread()->postTask(FROM_HERE, bind(&ScriptStreamer::streamingComplete, this));
+    Platform::current()->mainThread()->postTask(FROM_HERE, threadSafeBind(&ScriptStreamer::streamingComplete, AllowCrossThreadAccess(this)));
 
     // The task might delete ScriptStreamer, so it's not safe to do anything
     // after posting it. Note that there's no way to guarantee that this