[Webkit-unassigned] [Bug 125166] New: Web Inspector: stale display source locations for breakpoints after inspector re-open

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=125166

           Summary: Web Inspector: stale display source locations for
                    breakpoints after inspector re-open
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
               URL: http://en.wikipedia.org/wiki/Main_Page
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: burg at cs.washington.edu
                CC: timothy at apple.com, joepeck at webkit.org,
                    webkit-bug-importer at group.apple.com, graouts at apple.com


Steps to reproduce:

1. Go to wikipedia.org
2. Set a bunch of breakpoints in one of the load.php files
3. Keep open the resources sidebar panel
4. Re-open the inspector. (Sometimes reloading will trigger it too.)
5. Go to the debugger panel. Display source locations seem to still be the same as raw locations.

>From (5) if you click one of the breakpoints to cause the content view to display the breakpoint, the line numbers get updated to the correct values. So it seems like some invalidation step is missing.

Note that this happens regardless of the new restore strategy in https://webkit.org/b/122125, but it occasionally prevents that restore strategy from restoring breakpoints (I believe Breakpoint.saveIdentityToCookie() saves the display location, not raw location).

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