DevTools: render Cookie: attributes as N/A in network panel.
This information is not applicable to the set Cookie: header.

Review URL: https://chromiumcodereview.appspot.com/17551003

git-svn-id: svn://svn.chromium.org/blink/trunk@152887 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Retrieve the Custom Element ready callback at registration time.

This behavior change reflects a change in the Custom Elements
specification.

CustomElementHelpers continues in its quest to become the biggest
loser, shedding a few pounds related to invoking the ready callback.

BUG=234532

Review URL: https://chromiumcodereview.appspot.com/17261017

git-svn-id: svn://svn.chromium.org/blink/trunk@152888 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: first port forwarding is not persisted.

BUG=252545
R=vsevik@chromium.org

Review URL: https://codereview.chromium.org/17550007

git-svn-id: svn://svn.chromium.org/blink/trunk@152889 bbb929c8-8fbe-4397-9dbb-9b2b20218538