Enhancements to PartitionAlloc to support threading and arbitrary allocation sizes.

Source/core/dom/Node.cpp

Index: Source/core/dom/Node.cpp
diff --git a/Source/core/dom/Node.cpp b/Source/core/dom/Node.cpp
index 6b64f8a6072f2fb562a4bea845dfc3b089fb5011..321ea3a8751267b3309868c90aa5d2dfc3cde407 100644
--- a/Source/core/dom/Node.cpp
+++ b/Source/core/dom/Node.cpp
@@ -99,11 +99,13 @@ using namespace HTMLNames;
 
 void* Node::operator new(size_t size)
 {
+    ASSERT(isMainThread());
     return partitionAlloc(Partitions::getObjectModelPartition(), size);
 }
 
 void Node::operator delete(void* ptr)
 {
+    ASSERT(isMainThread());
     partitionFree(ptr);
 }