Revert 238732 "[SiteChip] Add the basic painting of the site chi..."

> [SiteChip] Add the basic painting of the site chip button.
> 
> R=pkasting@chromium.org
> BUG=315944
> 
> Review URL: https://codereview.chromium.org/75873002

Caused a great many leaks.

TBR=gbillock@chromium.org

Review URL: https://codereview.chromium.org/98493004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238754 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 238754