Script streaming: Add an option to make the main thread block (wait for parsing)

Source/bindings/core/v8/ScriptStreamerThread.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ScriptStreamerThread_h
 #define ScriptStreamerThread_h
 
 #include "platform/TaskSynchronizer.h"
 #include "public/platform/WebThread.h"
 #include "wtf/OwnPtr.h"
@@ skipping 24 matching lines @@
 
 private:
     ScriptStreamerThread()
         : m_runningTask(false) { }
 
     bool isRunning() const
     {
         return !!m_thread;
     }
 
-    void markAsCompleted(TaskSynchronizer* taskSynchronizer)
-    {
-        taskSynchronizer->taskCompleted();
-    }
-
     blink::WebThread& platformThread();
 
     // At the moment, we only use one thread, so we can only stream one script
     // at a time. FIXME: Use a thread pool and stream multiple scripts.
     WTF::OwnPtr<blink::WebThread> m_thread;
     bool m_runningTask;
     mutable Mutex m_mutex; // Guards m_runningTask.
 };
 
 class ScriptStreamingTask : public WebThread::Task {
     WTF_MAKE_NONCOPYABLE(ScriptStreamingTask);
 public:
     ScriptStreamingTask(WTF::PassOwnPtr<v8::ScriptCompiler::ScriptStreamingTask>, ScriptStreamer*);
     virtual void run() override;
 
 private:
     WTF::OwnPtr<v8::ScriptCompiler::ScriptStreamingTask> m_v8Task;
     ScriptStreamer* m_streamer;
 };
 
 
 } // namespace blink
 
 #endif // ScriptStreamerThread_h