When pressing arrow keys on a chart pane, the indicator shouldn't move past the visible region.
Created attachment 302904 [details] Fixes the bug
Created attachment 302905 [details] Fixes the bug
Comment on attachment 302905 [details] Fixes the bug View in context: https://bugs.webkit.org/attachment.cgi?id=302905&action=review r=me > Websites/perf.webkit.org/browser-tests/time-series-chart-tests.js:1770 > + Nit: unexpected empty line
Committed r213116: <http://trac.webkit.org/changeset/213116>