IDL: Support deleter operation with any return type

Web IDL does not require that a deleter operation has boolean as its
return type, it merely defines behavior that is specific to the case that
it has.

Thus, remove our restriction, to avoid rejecting valid IDL declarations
that actual specifications might contain.

BUG=462920

Review URL: https://codereview.chromium.org/968033002

git-svn-id: svn://svn.chromium.org/blink/trunk@191063 bbb929c8-8fbe-4397-9dbb-9b2b20218538
1 file changed
tree: 5805669cc8367f1099ca13973fae483639211d5e
  1. third_party/