Report DOM partitionAlloc size to V8 GC.

Source/platform/Partitions.h

Index: Source/platform/Partitions.h
diff --git a/Source/platform/Partitions.h b/Source/platform/Partitions.h
index c589220f5fca4620c9c167a17dc47939030f9bab..1f298f72262851f654faee8593d03085a41a1c3f 100644
--- a/Source/platform/Partitions.h
+++ b/Source/platform/Partitions.h
@@ -44,6 +44,8 @@ public:
     ALWAYS_INLINE static PartitionRoot* getObjectModelPartition() { return m_objectModelAllocator.root(); }
     ALWAYS_INLINE static PartitionRoot* getRenderingPartition() { return m_renderingAllocator.root(); }
 
+    static size_t currentDOMMemoryUsage() { return m_objectModelAllocator.root()->totalSizeOfNonFreePages; }

[Chris Evans, 2014/06/06 18:30:50]

I don't see any PartitionAlloc.h change in this latest patch? It looks like we
need one?

[kouhei (in TOK), 2014/06/09 05:48:22]

Done. Sorry I reverted it by mistake.

+
 private:
     static SizeSpecificPartitionAllocator<3072> m_objectModelAllocator;
     static SizeSpecificPartitionAllocator<1024> m_renderingAllocator;