Remove ActiveDOMObject::{,un}setPendingActivity

Source/core/dom/ActiveDOMObject.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 15 matching lines @@
 
 #include "config.h"
 #include "core/dom/ActiveDOMObject.h"
 
 #include "core/dom/ExecutionContext.h"
 
 namespace WebCore {
 
 ActiveDOMObject::ActiveDOMObject(ExecutionContext* executionContext)
     : ContextLifecycleObserver(executionContext, ActiveDOMObjectType)
-    , m_pendingActivityCount(0)
 #if ENABLE(ASSERT)
     , m_suspendIfNeededCalled(false)
 #endif
 {
     ASSERT(!executionContext || executionContext->isContextThread());
 }
 
 ActiveDOMObject::~ActiveDOMObject()
 {
     // ActiveDOMObject may be inherited by a sub-class whose life-cycle
@@ skipping 14 matching lines @@
 #if ENABLE(ASSERT)
     ASSERT(!m_suspendIfNeededCalled);
     m_suspendIfNeededCalled = true;
 #endif
     if (ExecutionContext* context = executionContext())
         context->suspendActiveDOMObjectIfNeeded(this);
 }
 
 bool ActiveDOMObject::hasPendingActivity() const
 {
-    return m_pendingActivityCount;
+    return false;
 }
 
 void ActiveDOMObject::suspend()
 {
 }
 
 void ActiveDOMObject::resume()
 {
 }
 
@@ skipping 12 matching lines @@
 
     if (context->activeDOMObjectsAreSuspended()) {
         suspend();
         return;
     }
 
     resume();
 }
 
 } // namespace WebCore