Support svg properties in StyleBuilder and move default handled properties across

This adds support for svg properties in the StyleBuilder generator and
moves across the properties with default handlers.

Also a trivial clean up in oldApplyProperty that viewport rule properties
being used as normal properties shouldn't hit an ASSERT_NOT_REACHED.

BUG=237400

Review URL: https://chromiumcodereview.appspot.com/19837004

git-svn-id: svn://svn.chromium.org/blink/trunk@155142 bbb929c8-8fbe-4397-9dbb-9b2b20218538