Fix operator precedence in SizesCalcParser

Pop all operators with greater/equal precedence rather than just the
top-most.

Bug: 803824
Change-Id: I5f106a0e82ed98ba2510c86ed157bf4b133cb5b8
Reviewed-on: https://chromium-review.googlesource.com/888919
Commit-Queue: Fredrik Söderquist <fs@opera.com>
Reviewed-by: Yoav Weiss <yoav@yoav.ws>
Cr-Commit-Position: refs/heads/master@{#532100}
2 files changed