Add blink_resources.grd.

This is a copy of Source/WebKit/chromium/WebKit.grd. This will be used in
chromium when blink rolls there.

R=abarth@chromium.org

Review URL: https://codereview.chromium.org/19999002

git-svn-id: svn://svn.chromium.org/blink/trunk@154711 bbb929c8-8fbe-4397-9dbb-9b2b20218538