GitLab

Drawing info now has everything it needs to calculate
the contents_swizzled instead of it being set in
TileManager in two spots.

BUG=225804


Review URL: https://chromiumcodereview.appspot.com/13665003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@192675 0039d316-1c4b-4281-b951-d872f2087c98