DevTools: Timeline > Records section is not displayed as intended.

The _scheduleRefresh can call _refresh synchronously and asynchronously.
The _refresh calls _refreshRecords, which uses _containerElementHeight and _graphRowsElementWidth,
thus these values should be updated before calling the _scheduleRefresh,
in case it calls the _refresh synchronously.

BUG=276197
R=yurys@chromium.org,caseq@chromium.org,pfeldman@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23191005

git-svn-id: svn://svn.chromium.org/blink/trunk@156446 bbb929c8-8fbe-4397-9dbb-9b2b20218538