NewError no longer returns a MaybeObject.

src/json-parser.h

Index: src/json-parser.h
diff --git a/src/json-parser.h b/src/json-parser.h
index 9a22738e98d9ae806366d94da030a345b10fed63..cccd25cffab90964e0f6170cdda8294fdb8a0388 100644
--- a/src/json-parser.h
+++ b/src/json-parser.h
@@ -244,9 +244,7 @@ MaybeHandle<Object> JsonParser<seq_one_byte>::ParseJson() {
     MessageLocation location(factory->NewScript(source_),
                              position_,
                              position_ + 1);
-    Handle<Object> error;
-    ASSIGN_RETURN_ON_EXCEPTION(isolate(), error,
-                               factory->NewSyntaxError(message, array), Object);
+    Handle<Object> error = factory->NewSyntaxError(message, array);
     return isolate()->template Throw<Object>(error, &location);
   }
   return result;