Revert of Add task location information to ExecutionContext

Source/web/WebSharedWorkerImpl.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 282 matching lines @@
     // Not suppported in SharedWorker.
 }
 
 void WebSharedWorkerImpl::reportConsoleMessage(PassRefPtrWillBeRawPtr<ConsoleMessage>)
 {
     // Not supported in SharedWorker.
 }
 
 void WebSharedWorkerImpl::postMessageToPageInspector(const String& message)
 {
-    toWebLocalFrameImpl(m_mainFrame)->frame()->document()->postInspectorTask(FROM_HERE, createCrossThreadTask(&WebSharedWorkerImpl::postMessageToPageInspectorOnMainThread, this, message));
+    toWebLocalFrameImpl(m_mainFrame)->frame()->document()->postInspectorTask(createCrossThreadTask(&WebSharedWorkerImpl::postMessageToPageInspectorOnMainThread, this, message));
 }
 
 void WebSharedWorkerImpl::postMessageToPageInspectorOnMainThread(const String& message)
 {
     WorkerInspectorProxy::PageInspector* pageInspector = m_workerInspectorProxy->pageInspector();
     if (!pageInspector)
         return;
     pageInspector->dispatchMessageFromWorker(message);
 
 }
@@ skipping 25 matching lines @@
     if (client())
         client()->workerContextDestroyed();
     // The lifetime of this proxy is controlled by the worker context.
     delete this;
 }
 
 // WorkerLoaderProxyProvider -----------------------------------------------------------
 
 void WebSharedWorkerImpl::postTaskToLoader(PassOwnPtr<ExecutionContextTask> task)
 {
-    toWebLocalFrameImpl(m_mainFrame)->frame()->document()->postTask(FROM_HERE, task);
+    toWebLocalFrameImpl(m_mainFrame)->frame()->document()->postTask(task);
 }
 
 bool WebSharedWorkerImpl::postTaskToWorkerGlobalScope(PassOwnPtr<ExecutionContextTask> task)
 {
     m_workerThread->postTask(task);
     return true;
 }
 
 void WebSharedWorkerImpl::connect(WebMessagePortChannel* webChannel)
 {
@@ skipping 113 matching lines @@
     if (devtoolsAgent)
         devtoolsAgent->dispatchOnInspectorBackend(message);
 }
 
 WebSharedWorker* WebSharedWorker::create(WebSharedWorkerClient* client)
 {
     return new WebSharedWorkerImpl(client);
 }
 
 } // namespace blink