Missing collectMatchingShadowHostRules call from hasAnyMatchingRules.

This caused style to be incorrectly shared between two different hosts
with different matching for :host([attr]).

Regression from https://codereview.chromium.org/789403005

R=kochi@chromium.org
BUG=466815

Review URL: https://codereview.chromium.org/1009893004

git-svn-id: svn://svn.chromium.org/blink/trunk@191947 bbb929c8-8fbe-4397-9dbb-9b2b20218538
3 files changed
tree: 26b5162af1b5dab2f9501be69f5bd9954b3a3382
  1. third_party/