Oilpan: Prepare to move Resource to Oilpan heap.

Source/core/fetch/MemoryCache.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
@@ skipping 103 matching lines @@
         blink::Platform::current()->currentThread()->removeTaskObserver(this);
 }
 
 void MemoryCache::trace(Visitor* visitor)
 {
 #if ENABLE(OILPAN)
     visitor->trace(m_allResources);
     for (size_t i = 0; i < WTF_ARRAY_LENGTH(m_liveDecodedResources); ++i)
         visitor->trace(m_liveDecodedResources[i]);
     visitor->trace(m_resources);
+    visitor->trace(m_liveResources);
 #endif
 }
 
 KURL MemoryCache::removeFragmentIdentifierIfNeeded(const KURL& originalURL)
 {
     if (!originalURL.hasFragmentIdentifier())
         return originalURL;
     // Strip away fragment identifier from HTTP URLs.
     // Data URLs must be unmodified. For file and custom URLs clients may expect resources
     // to be unique even when they differ by the fragment identifier only.
@@ skipping 575 matching lines @@
         blink::Platform::current()->currentThread()->removeTaskObserver(this);
     }
 
     TemporaryChange<bool> reentrancyProtector(m_inPruneResources, true);
     pruneDeadResources(); // Prune dead first, in case it was "borrowing" capacity from live.
     pruneLiveResources();
     m_pruneFrameTimeStamp = FrameView::currentFrameTimeStamp();
     m_pruneTimeStamp = currentTime;
 }
 
+#if ENABLE(OILPAN)
+void MemoryCache::registerLiveResource(Resource& resource)
+{
+    ASSERT(!m_liveResources.contains(&resource));
+    m_liveResources.add(&resource);
+}
+
+void MemoryCache::unregisterLiveResource(Resource& resource)
+{
+    ASSERT(m_liveResources.contains(&resource));
+    m_liveResources.remove(&resource);
+}
+
+#else
+
+void MemoryCache::registerLiveResource(Resource&)
+{
+}
+
+void MemoryCache::unregisterLiveResource(Resource&)
+{
+}
+#endif
+
 #ifdef MEMORY_CACHE_STATS
 
 void MemoryCache::dumpStats(Timer<MemoryCache>*)
 {
     Statistics s = getStatistics();
     printf("%-13s %-13s %-13s %-13s %-13s %-13s %-13s\n", "", "Count", "Size", "LiveSize", "DecodedSize", "PurgeableSize", "PurgedSize");
     printf("%-13s %-13s %-13s %-13s %-13s %-13s %-13s\n", "-------------", "-------------", "-------------", "-------------", "-------------", "-------------", "-------------");
     printf("%-13s %13d %13d %13d %13d %13d %13d\n", "Images", s.images.count, s.images.size, s.images.liveSize, s.images.decodedSize, s.images.purgeableSize, s.images.purgedSize);
     printf("%-13s %13d %13d %13d %13d %13d %13d\n", "CSS", s.cssStyleSheets.count, s.cssStyleSheets.size, s.cssStyleSheets.liveSize, s.cssStyleSheets.decodedSize, s.cssStyleSheets.purgeableSize, s.cssStyleSheets.purgedSize);
     printf("%-13s %13d %13d %13d %13d %13d %13d\n", "XSL", s.xslStyleSheets.count, s.xslStyleSheets.size, s.xslStyleSheets.liveSize, s.xslStyleSheets.decodedSize, s.xslStyleSheets.purgeableSize, s.xslStyleSheets.purgedSize);
@@ skipping 25 matching lines @@
                 printf("(%.1fK, %.1fK, %uA, %dR, %d, %d); ", current->decodedSize() / 1024.0f, (current->encodedSize() + current->overheadSize()) / 1024.0f, current->accessCount(), current->hasClients(), current->isPurgeable(), current->wasPurged());
 
             current = prev;
         }
     }
 }
 
 #endif // MEMORY_CACHE_STATS
 
 } // namespace blink