Re-enable link highlight expectations after content_shell fix.
Re-enable link highlight expectations after content_shell fix.

NOTRY=true

TBR=jchaffraix@chromium.org
BUG=243357

Review URL: https://chromiumcodereview.appspot.com/15937011

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@151151 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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