Factor out icon ID logic in WebsiteSettingsUI

The Android port needs to have access to the IDs of the resources that are being
shown instead of the direct Bitmaps so that it can show the correct resources in
the UI.

BUG=238668,237034

Review URL: https://chromiumcodereview.appspot.com/15178008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@200433 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed