- Use token-range checks
- Delay ValidateExpression until after the loop
- Only queue classifier errors at the beginning
- Only inline Token-range check rather than the entire
  ParseMemberExpressionContinuation to reduce binary size.

Change-Id: Ib81ce071851fe5c13b4bb405cd883df7a82c84c9
Reviewed-on: https://chromium-review.googlesource.com/c/1286677
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56783}