Revert of Add task location information to WorkerThread

Source/core/workers/WorkerThread.cpp

 /*
  * Copyright (C) 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 152 matching lines @@
 
         m_running = true;
         m_nextFireTime = currentTime() + interval;
 
         if (m_lastQueuedTask.get())
             m_lastQueuedTask->cancelTask();
 
         // Now queue the task as a cancellable one.
         OwnPtr<WorkerThreadCancelableTask> task = WorkerThreadCancelableTask::create(bind(&WorkerSharedTimer::OnTimeout, this));
         m_lastQueuedTask = task->createWeakPtr();
-        m_workerThread->postDelayedTask(FROM_HERE, task.release(), delay);
+        m_workerThread->postDelayedTask(task.release(), delay);
     }
 
     virtual void stop()
     {
         m_running = false;
         m_lastQueuedTask = nullptr;
     }
 
     double nextFireTime() { return m_nextFireTime; }
 
@@ skipping 161 matching lines @@
         script->initializeContextIfNeeded();
     InspectorInstrumentation::willEvaluateWorkerScript(workerGlobalScope(), startMode);
 
     OwnPtr<CachedMetadataHandler> handler(workerGlobalScope()->createWorkerScriptCachedMetadataHandler(scriptURL, cachedMetaData.get()));
     bool success = script->evaluate(ScriptSourceCode(sourceCode, scriptURL), nullptr, handler.get(), v8CacheOptions);
     m_workerGlobalScope->didEvaluateWorkerScript();
     m_workerReportingProxy.didEvaluateWorkerScript(success);
 
     postInitialize();
 
-    postDelayedTask(FROM_HERE, createSameThreadTask(&WorkerThread::idleHandler, this), kShortIdleHandlerDelayMs);
+    postDelayedTask(createSameThreadTask(&WorkerThread::idleHandler, this), kShortIdleHandlerDelayMs);
 }
 
 void WorkerThread::cleanup()
 {
 
     // This should be called before we start the shutdown procedure.
     workerReportingProxy().willDestroyWorkerGlobalScope();
 
     // The below assignment will destroy the context, which will in turn notify messaging proxy.
     // We cannot let any objects survive past thread exit, because no other thread will run GC or otherwise destroy them.
@@ skipping 50 matching lines @@
         WorkerGlobalScope* workerGlobalScope = toWorkerGlobalScope(context);
         workerGlobalScope->stopActiveDOMObjects();
         PlatformThreadData::current().threadTimers().setSharedTimer(nullptr);
 
         // Event listeners would keep DOMWrapperWorld objects alive for too long. Also, they have references to JS objects,
         // which become dangling once Heap is destroyed.
         workerGlobalScope->removeAllEventListeners();
 
         // Stick a shutdown command at the end of the queue, so that we deal
         // with all the cleanup tasks the databases post first.
-        workerGlobalScope->postTask(FROM_HERE, WorkerThreadShutdownFinishTask::create());
+        workerGlobalScope->postTask(WorkerThreadShutdownFinishTask::create());
     }
 
     virtual bool isCleanupTask() const { return true; }
 };
 
 void WorkerThread::stop()
 {
     // Prevent the deadlock between GC and an attempt to stop a thread.
     ThreadState::SafePointScope safePointScope(ThreadState::HeapPointersOnStack);
     stopInternal();
@@ skipping 30 matching lines @@
     if (m_shutdownEvent)
         m_shutdownEvent->signal();
 
     if (!m_workerGlobalScope)
         return;
 
     // Ensure that tasks are being handled by thread event loop. If script execution weren't forbidden, a while(1) loop in JS could keep the thread alive forever.
     m_workerGlobalScope->script()->scheduleExecutionTermination();
     InspectorInstrumentation::didKillAllExecutionContextTasks(m_workerGlobalScope.get());
     m_debuggerMessageQueue.kill();
-    postTask(FROM_HERE, WorkerThreadShutdownStartTask::create());
+    postTask(WorkerThreadShutdownStartTask::create());
 }
 
 void WorkerThread::didStartRunLoop()
 {
     ASSERT(isCurrentThread());
     blink::Platform::current()->didStartWorkerRunLoop(WebWorkerRunLoop(this));
 }
 
 void WorkerThread::didStopRunLoop()
 {
@@ skipping 24 matching lines @@
     int64_t delay = kLongIdleHandlerDelayMs;
 
     // Do a script engine idle notification if the next event is distant enough.
     const double kMinIdleTimespan = 0.3;
     if (m_sharedTimer->nextFireTime() == 0.0 || m_sharedTimer->nextFireTime() > currentTime() + kMinIdleTimespan) {
         bool hasMoreWork = !m_workerGlobalScope->idleNotification();
         if (hasMoreWork)
             delay = kShortIdleHandlerDelayMs;
     }
 
-    postDelayedTask(FROM_HERE, createSameThreadTask(&WorkerThread::idleHandler, this), delay);
+    postDelayedTask(createSameThreadTask(&WorkerThread::idleHandler, this), delay);
 }
 
-void WorkerThread::postTask(const WebTraceLocation& location, PassOwnPtr<ExecutionContextTask> task)
+void WorkerThread::postTask(PassOwnPtr<ExecutionContextTask> task)
 {
-    m_thread->postTask(location, WorkerThreadTask::create(*this, task, true).leakPtr());
+    m_thread->postTask(FROM_HERE, WorkerThreadTask::create(*this, task, true).leakPtr());
 }
 
-void WorkerThread::postDelayedTask(const WebTraceLocation& location, PassOwnPtr<ExecutionContextTask> task, long long delayMs)
+void WorkerThread::postDelayedTask(PassOwnPtr<ExecutionContextTask> task, long long delayMs)
 {
-    m_thread->postDelayedTask(location, WorkerThreadTask::create(*this, task, true).leakPtr(), delayMs);
+    m_thread->postDelayedTask(FROM_HERE, WorkerThreadTask::create(*this, task, true).leakPtr(), delayMs);
 }
 
-void WorkerThread::postDebuggerTask(const WebTraceLocation& location, PassOwnPtr<ExecutionContextTask> task)
+void WorkerThread::postDebuggerTask(PassOwnPtr<ExecutionContextTask> task)
 {
     m_debuggerMessageQueue.append(WorkerThreadTask::create(*this, task, false));
-    postTask(location, RunDebuggerQueueTask::create(this));
+    postTask(RunDebuggerQueueTask::create(this));
 }
 
 MessageQueueWaitResult WorkerThread::runDebuggerTask(WaitMode waitMode)
 {
     ASSERT(isCurrentThread());
     MessageQueueWaitResult result;
     double absoluteTime = MessageQueue<blink::WebThread::Task>::infiniteTime();
     OwnPtr<blink::WebThread::Task> task;
     {
         if (waitMode == DontWaitForMessage)
@@ skipping 21 matching lines @@
     InspectorInstrumentation::didLeaveNestedRunLoop(m_workerGlobalScope.get());
 }
 
 void WorkerThread::setWorkerInspectorController(WorkerInspectorController* workerInspectorController)
 {
     MutexLocker locker(m_workerInspectorControllerMutex);
     m_workerInspectorController = workerInspectorController;
 }
 
 } // namespace blink