Revert of Add task location information to WorkerThread

Source/core/workers/WorkerInspectorProxy.cpp

 // 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.
 
 #include "config.h"
 
 #include "core/workers/WorkerInspectorProxy.h"
 
 #include "core/dom/CrossThreadTask.h"
 #include "core/inspector/InspectorInstrumentation.h"
@@ skipping 41 matching lines @@
 {
     toWorkerGlobalScope(context)->workerInspectorController()->connectFrontend();
 }
 
 void WorkerInspectorProxy::connectToInspector(WorkerInspectorProxy::PageInspector* pageInspector)
 {
     if (!m_workerThread)
         return;
     ASSERT(!m_pageInspector);
     m_pageInspector = pageInspector;
-    m_workerThread->postDebuggerTask(FROM_HERE, createCrossThreadTask(connectToWorkerGlobalScopeInspectorTask, true));
+    m_workerThread->postDebuggerTask(createCrossThreadTask(connectToWorkerGlobalScopeInspectorTask, true));
 }
 
 static void disconnectFromWorkerGlobalScopeInspectorTask(ExecutionContext* context, bool)
 {
     toWorkerGlobalScope(context)->workerInspectorController()->disconnectFrontend();
 }
 
 void WorkerInspectorProxy::disconnectFromInspector()
 {
     m_pageInspector = nullptr;
     if (!m_workerThread)
         return;
-    m_workerThread->postDebuggerTask(FROM_HERE, createCrossThreadTask(disconnectFromWorkerGlobalScopeInspectorTask, true));
+    m_workerThread->postDebuggerTask(createCrossThreadTask(disconnectFromWorkerGlobalScopeInspectorTask, true));
 }
 
 static void dispatchOnInspectorBackendTask(ExecutionContext* context, const String& message)
 {
     toWorkerGlobalScope(context)->workerInspectorController()->dispatchMessageFromFrontend(message);
 }
 
 void WorkerInspectorProxy::sendMessageToInspector(const String& message)
 {
     if (!m_workerThread)
         return;
-    m_workerThread->postDebuggerTask(FROM_HERE, createCrossThreadTask(dispatchOnInspectorBackendTask, String(message)));
+    m_workerThread->postDebuggerTask(createCrossThreadTask(dispatchOnInspectorBackendTask, String(message)));
     m_workerThread->interruptAndDispatchInspectorCommands();
 }
 
 void WorkerInspectorProxy::writeTimelineStartedEvent(const String& sessionId, int workerId)
 {
     if (!m_workerThread)
         return;
     TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "TracingSessionIdForWorker", "data", InspectorTracingSessionIdForWorkerEvent::data(sessionId, workerId, m_workerThread));
 }
 
 } // namespace blink