How to hide the ruler when look element in chrome?

google-chrome

Solution

Chrome team introduced an option in the code on Nov 8 http://trac.webkit.org/changeset/133885 It's not yet present

update: It's finally here, "show rulers" checkbox under Developer Tools->Settings->General Tab->Elements.

My Chrome version is 24.0.1312.52 m

Problem

The new chrome has ruler when look an element, I want to hide it. Is there any setting can help?

Original source