[WIP] TrapHandler 2014/11/27.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 746f88d1c4c0c10083e63263a005f79ec4378b9d..96e6b0badcbf59b156970febdd0d2c69662352b6 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -10025,6 +10025,9 @@ class JSArrayBuffer: public JSObject {
   inline bool is_neuterable();
   inline void set_is_neuterable(bool value);
 
+  inline bool is_guarded();
+  inline void set_is_guarded(bool value);
+
   // [weak_next]: linked list of array buffers.
   DECL_ACCESSORS(weak_next, Object)
 
@@ -10055,6 +10058,7 @@ class JSArrayBuffer: public JSObject {
   static const int kIsExternalBit = 0;
   static const int kShouldBeFreed = 1;
   static const int kIsNeuterableBit = 2;
+  static const int kIsGuardedBit = 3;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(JSArrayBuffer);
 };