Call Stack when breaking in JavaScript from Wasm

This tests that the Call Stack shown in DevTools makes sense when calling a JavaScript function from Wasm and having a breakpoint in said JavaScript function.

Steps

1. Reload the page with DevTools closed
2. Open DevTools
3. Click this button
4. The page pauses on the debugger statement in bar
5. Now look at the Call Stack in the DevTools and make sure that it shows bar called from foo