Handle errors in v8::ValueDeserializer by throwing exceptions.

src/messages.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // The infrastructure used for (localized) message reporting in V8.
 //
 // Note: there's a big unresolved issue about ownership of the data
 // structures used by this framework.
 
 #ifndef V8_MESSAGES_H_
@@ skipping 622 matching lines @@
   T(WasmTrapFuncInvalid, "invalid function")                                   \
   T(WasmTrapFuncSigMismatch, "function signature mismatch")                    \
   T(WasmTrapInvalidIndex, "invalid index into function table")                 \
   T(WasmTrapTypeError, "invalid type")                                         \
   /* DataCloneError messages */                                                \
   T(DataCloneError, "% could not be cloned.")                                  \
   T(DataCloneErrorNeuteredArrayBuffer,                                         \
     "An ArrayBuffer is neutered and could not be cloned.")                     \
   T(DataCloneErrorSharedArrayBufferNotTransferred,                             \
     "A SharedArrayBuffer could not be cloned. SharedArrayBuffer must be "      \
-    "transferred.")
+    "transferred.")                                                            \
+  T(DataCloneDeserializationError, "Unable to deserialize cloned data.")       \
+  T(DataCloneDeserializationVersionError,                                      \
+    "Unable to deserialize cloned data due to invalid or unsupported "         \
+    "version.")
 
 class MessageTemplate {
  public:
   enum Template {
 #define TEMPLATE(NAME, STRING) k##NAME,
     MESSAGE_TEMPLATES(TEMPLATE)
 #undef TEMPLATE
         kLastMessage
   };
 
@@ skipping 28 matching lines @@
   static Handle<String> GetMessage(Isolate* isolate, Handle<Object> data);
   static std::unique_ptr<char[]> GetLocalizedMessage(Isolate* isolate,
                                                      Handle<Object> data);
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_MESSAGES_H_