We just discussed that, and decided against using it, because it could be
potentially confusing.  Most users would be unaware that we were launching
in a separate profile, and even someone who did know that we were doing this
would probably find it inconvenient.  For example, if he does open another
tab in the Chrome instance that we launched, and then browse for a bit, he
would now have two separate browser histories -- his main one and the one in
our separate user profile.  Could get to be a nuisance.

For now, I think we're going to go ahead and launch with
--disable-hang-monitor, and we may also write a tech note for our users
explaining the issue, and suggesting that if they want to, they can add
--disable-hang-monitor to the shortcut they use to launch Chrome.  I might
also log an enhancement request that if my new instance of Chrome passes
control to an existing instance, it also pass the value of the
--disable-hang-monitor flag, and that the existing instance respects that
flag for just that one tab.

Thanks!  - Mike

On Fri, Sep 11, 2009 at 11:49 AM, Adam Barth <aba...@chromium.org> wrote:

> You can try using the --user-data-dir flag to point the test instance
> of Chrome at a dedicated testing profile.  That will mean the
> --disable-hang-monitor instance will actually stay around.
> Adam
> On Thu, Sep 10, 2009 at 2:40 PM, Mike Morearty <m...@morearty.com> wrote:
> >
> > Hi,
> >
> > I'm a developer at Adobe, on the Flash Builder (formerly Flex Builder)
> > team.  I'm trying to figure out how to allow --disable-hang-monitor to
> > work even if Chrome is already running.
> >
> > Flash Builder, for those who aren't familiar with it, is a full IDE
> > for creating Flash (and AIR) apps; one of its features is a debugger.
> > So let's say you create a new project, set a breakpoint, and then
> > click Debug.  We launch your browser pointing at the Flash app; the
> > Flash player that is inside the browser connects back to Flash
> > Builder.
> >
> > Then let's say the Flash app hits the line where the breakpoint is.
> > The Flash player notifies Flash Builder of the breakpoint, and then
> > blocks, waiting on a socket until Flash Builder tells it what to do
> > next (e.g. resume, single-step, etc.).
> >
> > The problem is that 30 seconds later, Chrome detects this as a hang
> > (which it is, but it's a deliberate one), and puts up the usual
> > message:
> >
> >    The following plug-in is unresponsive: Shockwave Flash
> >    Would you like to stop it?
> >
> > Even if I say No, the message keeps reappearing every 30 seconds or
> > so.
> >
> > I'd like to disable the message during debugging.  It's easy to launch
> > chrome with --disable-hang-monitor, and that does work, but only if
> > Chrome wasn't already running before I began my debugging session.  If
> > Chrome *was* already running, then that flag has no effect.  (I
> > suspect probably the new instance of chrome.exe just passed control
> > over to the existing instance, or something like that, and did not
> > tell Chrome to use this flag.)
> >
> > I realize this is somewhat tricky to do.  Ideally, that flag would
> > apply to just the one tab or window that I tried to open, but not to
> > all the other already-existing windows.  I have not yet looked at the
> > Chrome/Chromium source code, but I wouldn't be surprised if this is
> > currently implemented as a global setting.
> >
> > Is this feasible?  Is there some other way to do what I want?  Should
> > I log an enhancement request?
> >
> > Thanks,
> >
> >  - Mike Morearty
> >    Sr. Computer Scienstist
> >    Adobe Systems Inc.
> >
> > > >
> >

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