Use static profile in SelectorQueryTest

This change should have been included in
https://codereview.chromium.org/2493003003/

Only one instance of CSSParserContext constructor was rewritten
to use static profile, and the rest was unchanged.

BUG=633007

Review-Url: https://codereview.chromium.org/2514743002
Cr-Commit-Position: refs/heads/master@{#433156}
1 file changed