Changes

However, if you try to click on a line call inside nsBaseAppShell.cpp (you should see this file often in the stack) you'll notice in the status bar in the bottom left corner that Visual Studio is downloading the files from hg.mozilla.org/...../nsBaseAppShell.cpp, followed by the nsBaseAppShell.cpp file being opened up in VS. For further proof, right click on the nsBaseAppShell.cpp tab and select Open Containing Folder. You should see a location similar to the following: