Check if the renderer is in a devtools window in blink for debugging purpose?

[Xianzhu Wang]

Hi,

Sometimes I debug a blink bug in a live third-party web page. The bug has been worked around in the web page, so I need to modify some style to reproduce the bug with devtools. I also need to print a lot of logs about the painted results for analysis, but the devtools' renderer make the log output very verbose, so I would like to exclude devtools from the logs.

Is it possible to programatically check in blink whether the renderer is in a devtools window?

[Steve Kobes]

What I usually do is add a hook to WebLocalFrameImpl::CommitNavigation like:

LocalFrame* g_frameOfInterest;

void WebLocalFrameImpl::CommitNavigation(...) {

  if (request.Url().GetString() == "http://www.badpage.com")

    g_frameOfInterest = GetFrame();

  ...

}

Then I make my logging conditional on current frame == g_frameOfInterest.

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