Move workers to Chromium threading

Source/core/workers/WorkerRunLoop.cpp

 /*
  * Copyright (C) 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 129 matching lines @@
     RunLoopSetup setup(*this);
     ModePredicate modePredicate(mode);
     MessageQueueWaitResult result = runInMode(context, modePredicate, waitMode);
     return result;
 }
 
 MessageQueueWaitResult WorkerRunLoop::runInMode(WorkerContext* context, const ModePredicate& predicate, WaitMode waitMode)
 {
     ASSERT(context);
     ASSERT(context->thread());
-    ASSERT(context->thread()->threadID() == currentThread());
+    ASSERT(context->thread()->isCurrentThread());
 
     double absoluteTime = 0.0;
     if (waitMode == WaitForMessage)
         absoluteTime = (predicate.isDefaultMode() && m_sharedTimer->isActive()) ? m_sharedTimer->fireTime() : MessageQueue<Task>::infiniteTime();
     MessageQueueWaitResult result;
     OwnPtr<WorkerRunLoop::Task> task = m_messageQueue.waitForMessageFilteredWithTimeout(result, predicate, absoluteTime);
 
     // If the context is closing, don't execute any further JavaScript tasks (per section 4.1.1 of the Web Workers spec).  However, there may be implementation cleanup tasks in the queue, so keep running through it.
 
     switch (result) {
@@ skipping 10 matching lines @@
         break;
     }
 
     return result;
 }
 
 void WorkerRunLoop::runCleanupTasks(WorkerContext* context)
 {
     ASSERT(context);
     ASSERT(context->thread());
-    ASSERT(context->thread()->threadID() == currentThread());
+    ASSERT(context->thread()->isCurrentThread());
     ASSERT(m_messageQueue.killed());
 
     while (true) {
         OwnPtr<WorkerRunLoop::Task> task = m_messageQueue.tryGetMessageIgnoringKilled();
         if (!task)
             return;
         task->performTask(*this, context);
     }
 }
 
@@ skipping 29 matching lines @@
         m_task->performTask(context);
 }
 
 WorkerRunLoop::Task::Task(PassOwnPtr<ScriptExecutionContext::Task> task, const String& mode)
     : m_task(task)
     , m_mode(mode.isolatedCopy())
 {
 }
 
 } // namespace WebCore