Version 4.3.61.16 (cherry-pick)

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index fd024c7961b7e024c5a561e0d42f9ab126528df4..0c320fb64c682c28827b8bab0dda2e335fe6a37b 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -3454,6 +3454,12 @@ class V8_EXPORT ArrayBufferView : public Object {
    */
   size_t CopyContents(void* dest, size_t byte_length);
 
+  /**
+   * Returns true if ArrayBufferView's backing ArrayBuffer has already been
+   * allocated.
+   */
+  bool HasBuffer() const;
+
   V8_INLINE static ArrayBufferView* Cast(Value* obj);
 
   static const int kInternalFieldCount =