Pass the ArrayBuffer size to ArrayBuffer::Allocator::Free. Allows

test/cctest/cctest.cc

Index: test/cctest/cctest.cc
===================================================================
--- test/cctest/cctest.cc	(revision 15840)
+++ test/cctest/cctest.cc	(working copy)
@@ -101,7 +101,7 @@
 class CcTestArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
  public:
   virtual void* Allocate(size_t length) { return malloc(length); }
-  virtual void Free(void* data) { free(data); }
+  virtual void Free(void* data, size_t length) { free(data); }
 };