Add ui assets for charger replacement ui.

BUG=320708
TBR=oshima

Review URL: https://codereview.chromium.org/105923003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239067 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 239067