Made zone segments aligned in memory and included a pointer to the zone in the header. Larger objec…

src/base/accounting-allocator.h

Index: src/base/accounting-allocator.h
diff --git a/src/base/accounting-allocator.h b/src/base/accounting-allocator.h
index 4e1baf18d4d57a37510f98ae4fa10d65a7c9f7ae..9983d583c57a0af6db8d76d5f3727ffc58e9ddbc 100644
--- a/src/base/accounting-allocator.h
+++ b/src/base/accounting-allocator.h
@@ -20,6 +20,8 @@ class AccountingAllocator {
   virtual void* Allocate(size_t bytes);
   virtual void Free(void* memory, size_t bytes);
 
+  virtual void ChangeCurrentMemoryUsage(const int64_t);
+
   size_t GetCurrentMemoryUsage() const;
   size_t GetMaxMemoryUsage() const;