Keep materialized ArrayBuffer and ImageBitmap objects in SerializedScriptValue.

third_party/WebKit/Source/platform/wtf/typed_arrays/ArrayBufferContents.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 50 matching lines @@
   };
 
   ArrayBufferContents();
   ArrayBufferContents(unsigned num_elements,
                       unsigned element_byte_size,
                       SharingType is_shared,
                       InitializationPolicy);
   ArrayBufferContents(DataHandle,
                       unsigned size_in_bytes,
                       SharingType is_shared);
+  ArrayBufferContents(ArrayBufferContents&&) = default;
 
   ~ArrayBufferContents();
 
+  ArrayBufferContents& operator=(ArrayBufferContents&&) = default;
+
   void Neuter();
 
   void* Data() const {
     DCHECK(!IsShared());
     return DataMaybeShared();
   }
   void* DataShared() const {
     DCHECK(IsShared());
     return DataMaybeShared();
   }
@@ skipping 92 matching lines @@
       adjust_amount_of_external_allocated_memory_function_;
 #if DCHECK_IS_ON()
   static AdjustAmountOfExternalAllocatedMemoryFunction
       last_used_adjust_amount_of_external_allocated_memory_function_;
 #endif
 };
 
 }  // namespace WTF
 
 #endif  // ArrayBufferContents_h