Remove almost all of Oilpan

sky/engine/core/css/CSSImageGeneratorValue.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 27 matching lines @@
 {
 }
 
 CSSImageGeneratorValue::~CSSImageGeneratorValue()
 {
 }
 
 void CSSImageGeneratorValue::addClient(RenderObject* renderer, const IntSize& size)
 {
     ASSERT(renderer);
-#if !ENABLE(OILPAN)
     ref();
-#else
-    if (m_clients.isEmpty()) {
-        ASSERT(!m_keepAlive);
-        m_keepAlive = adoptPtr(new Persistent<CSSImageGeneratorValue>(this));
-    }
-#endif
 
     if (!size.isEmpty())
         m_sizes.add(size);
 
     RenderObjectSizeCountMap::iterator it = m_clients.find(renderer);
     if (it == m_clients.end())
         m_clients.add(renderer, SizeAndCount(size, 1));
     else {
         SizeAndCount& sizeCount = it->value;
         ++sizeCount.count;
@@ skipping 155 matching lines @@
         break;
     case RadialGradientClass:
         toCSSRadialGradientValue(this)->loadSubimages(fetcher);
         break;
     default:
         ASSERT_NOT_REACHED();
     }
 }
 
 } // namespace blink