[WIP] TrapHandler 2014/11/27.

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index e6c97cc82699be5cad201b237c5c24f0f7b13303..4df8c85cb7eab90f96cc9048d88a86711067e49e 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -2944,11 +2944,25 @@ class V8_EXPORT ArrayBuffer : public Object {
      * Memory does not have to be initialized.
      */
     virtual void* AllocateUninitialized(size_t length) = 0;
+
+    /**
+     * Allocate |length| bytes. Return NULL if allocation is not successful,
+     * otherwise return a pointer that is a multiple of |alignment|. Memory
+     * does not have to be initialized.
+     */
+    virtual void* Allocate(size_t length, size_t alignment) { return NULL; }
+
     /**
      * Free the memory block of size |length|, pointed to by |data|.
      * That memory is guaranteed to be previously allocated by |Allocate|.
      */
     virtual void Free(void* data, size_t length) = 0;
+
+    /**
+     * Free the memory block pointed to by |data|.  That memory is guaranteed
+     * to be previously allocated by |Allocate|.
+     */
+    virtual void Free(void* data) {}
   };
 
   /**