IDL compiler: [NamedConstructor, RaisesException=Constructor]

BUG=239771
NOTRY=true

Review URL: https://codereview.chromium.org/108233007

git-svn-id: svn://svn.chromium.org/blink/trunk@164042 bbb929c8-8fbe-4397-9dbb-9b2b20218538