Revert of Add task location information to ExecutionContext

Source/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 837 matching lines @@
     void cancelFocusAppearanceUpdate();
 
     // Extension for manipulating canvas drawing contexts for use in CSS
     void getCSSCanvasContext(const String& type, const String& name, int width, int height, CanvasRenderingContext2DOrWebGLRenderingContext&);
     HTMLCanvasElement& getCSSCanvasElement(const String& name);
 
     bool isDNSPrefetchEnabled() const { return m_isDNSPrefetchEnabled; }
     void parseDNSPrefetchControlHeader(const String&);
 
     // FIXME(crbug.com/305497): This should be removed once LocalDOMWindow is an ExecutionContext.
-    virtual void postTask(const WebTraceLocation&, PassOwnPtr<ExecutionContextTask>) override; // Executes the task on context's thread asynchronously.
-    void postInspectorTask(const WebTraceLocation&, PassOwnPtr<ExecutionContextTask>);
+    virtual void postTask(PassOwnPtr<ExecutionContextTask>) override; // Executes the task on context's thread asynchronously.
+    void postInspectorTask(PassOwnPtr<ExecutionContextTask>);
 
     virtual void tasksWereSuspended() override final;
     virtual void tasksWereResumed() override final;
     virtual void suspendScheduledTasks() override final;
     virtual void resumeScheduledTasks() override final;
     virtual bool tasksNeedSuspension() override final;
 
     void finishedParsing();
 
     void setEncodingData(const DocumentEncodingData& newData);
@@ skipping 556 matching lines @@
 DEFINE_TYPE_CASTS(TreeScope, Document, document, true, true);
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showLiveDocumentInstances();
 #endif
 
 #endif // Document_h