tree 2cd72df88b227d324401b5b61729c6c34baee595
parent 77fc94cca819ae7024d5419a99075deed68fe956
author sigbjornf@opera.com <sigbjornf@opera.com@bbb929c8-8fbe-4397-9dbb-9b2b20218538> 1402015937 +0000
committer sigbjornf@opera.com <sigbjornf@opera.com@bbb929c8-8fbe-4397-9dbb-9b2b20218538> 1402015937 +0000

Oilpan: tidy up reference to the Document's "CSS target".

Keep a traced Member reference to the Element that's recorded as
the Document's CSS target. When that Element is removed from the
tree, the Member will be explicitly cleared.

R=
BUG=357163

Review URL: https://codereview.chromium.org/315333002

git-svn-id: svn://svn.chromium.org/blink/trunk@175609 bbb929c8-8fbe-4397-9dbb-9b2b20218538