Handle errors in v8::ValueDeserializer by throwing exceptions.

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index e58e8c58e2c985b58ad0cbd6bd23bbb384a0acef..59a31f50044f9389ae87f315419850839aecac8d 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -1743,7 +1743,8 @@ class V8_EXPORT ValueDeserializer {
    * Reads and validates a header (including the format version).
    * May, for example, reject an invalid or unsupported wire format.
    */
-  V8_WARN_UNUSED_RESULT Maybe<bool> ReadHeader();
+  V8_WARN_UNUSED_RESULT Maybe<bool> ReadHeader(Local<Context> context);
+  V8_DEPRECATE_SOON("Use Local<Context> version", Maybe<bool> ReadHeader());
 
   /*
    * Deserializes a JavaScript value from the buffer.