File crbug.com/657697 (and crbug.com/657700 for a related bug I found as
a result :(). But it is really a duplicate of crbug.com/496666 (so I closed
mine). I guess it will not be in progress soon. :(
☆*PhistucK*
On Thu, Oct 20, 2016 at 8:19 AM, Jochen Eisinger <joc...@chromium.org>
wrote:
> As far as I know that's not possible. Could you file a feature request for
> this (probably on crbug.com if you also want to cover DOM functions)
>
> On Wed, Oct 19, 2016 at 7:38 PM PhistucK <phist...@gmail.com> wrote:
>
>> I wanted to know whether there is a V8 (or Chrome) flag of some sort that
>> will let me add breakpoints on native function calls.
>> I do not mean C++ functions, I mean built in web platform (or ECMAScript)
>> functions.
>> My issue is that I click on a link and suddenly some code is apparently
>> calling document.location.replace("foo") or something and the page
>> redirects (maliciously). In order to find the calling code, I want to set a
>> breakpoint on calling document.location.replace, which is a native web
>> platform function, that is not writable (so I cannot override it with my
>> own function using Object.defineProperty, or use a proxy).
>> (The code is apparently elusive and obfuscated somewhat, so it is not
>> just a search and replace)
>> I tried using the Developer Tools API - debug(function), but it did not
>> break (even when I call it with setTimeout).
>>
>> A V8 flag (or a Chrome flag) that either lets me break on calling that
>> function, or that overrides the security feature that makes it
>> non-writable, or something like that, would let me see the code that calls
>> it and find the malicious way it does so.
>>
>> So, is there something like that?
>>
>> Thank you!
>>
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