Move workers to Chromium threading

Source/bindings/v8/ScheduledAction.cpp

 /*
  * Copyright (C) 2007-2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 89 matching lines @@
     if (!m_function.isEmpty())
         frame->script()->callFunction(m_function.get(), context->Global(), m_args.size(), m_args.data());
     else
         frame->script()->compileAndRunScript(m_code);
 
     // The frame might be invalid at this point because JavaScript could have released it.
 }
 
 void ScheduledAction::execute(WorkerContext* worker)
 {
-    ASSERT(worker->thread()->threadID() == currentThread());
+    ASSERT(worker->thread()->isCurrentThread());
 
     V8RecursionScope recursionScope(worker);
 
     if (!m_function.isEmpty()) {
         V8GCController::checkMemoryUsage();
 
         v8::HandleScope handleScope;
 
         v8::Handle<v8::Context> context = v8::Local<v8::Context>::New(m_context.get());
         ASSERT(!context.IsEmpty());
         v8::Context::Scope scope(context);
 
         m_function->Call(context->Global(), m_args.size(), m_args.data());
     } else
         worker->script()->evaluate(m_code);
 }
 
 } // namespace WebCore