[whatwg] Need to define same-origin policy for WebIDL operations/getters/setters

[Boris Zbarsky]

On 1/9/13 2:30 PM, Adam Barth wrote:

> As a consequence, I would recommend that you do not use asymmetric
> access relations in features that you would like other browser vendors
> to implement in the future.

Browsers have asymmetric access relations all the time; they just have 
some of the code in C++.

The question is why this should be restricted to C++ code.

-Boris