DevTools: [CanvasProfiler] Further UI improvements on the replay state sidebar.

- Highlight states that have changed during the last replay (per @nduca feedback)
- Show popup to examine remote objects in the state sidebar
- Add NEXT, PREV navigation buttons, as well as REFRESH
- Save and restore the expanded state and scroll state of the DataGrid

BUG=253854
R=caseq@chromium.org, pfeldman@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23279005

git-svn-id: svn://svn.chromium.org/blink/trunk@156323 bbb929c8-8fbe-4397-9dbb-9b2b20218538