DevTools: Fix how navigator reveals and renames files after recent refactorings.

R=pfeldman@chromium.org, pfeldman

Review URL: https://codereview.chromium.org/216193003

git-svn-id: svn://svn.chromium.org/blink/trunk@170316 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: Fix how highlighted element title is shown when element is highlighted in inspected page.

R=pfeldman,apavlov

Review URL: https://codereview.chromium.org/214443005

git-svn-id: svn://svn.chromium.org/blink/trunk@170317 bbb929c8-8fbe-4397-9dbb-9b2b20218538