[DevTools] Show stack trace for exceptions in dedicated workers

LayoutTests/inspector/console/resources/worker-with-throw.js

Index: LayoutTests/inspector/console/resources/worker-with-throw.js
diff --git a/LayoutTests/inspector/console/resources/worker-with-throw.js b/LayoutTests/inspector/console/resources/worker-with-throw.js
new file mode 100644
index 0000000000000000000000000000000000000000..5d8503d8b36b43852e2e00b38d7f324d5c0bb9a6
--- /dev/null
+++ b/LayoutTests/inspector/console/resources/worker-with-throw.js
@@ -0,0 +1,12 @@
+function foo()
+{
+    throw new Error();
+}
+function boo()
+{
+    foo();
+}
+
+onmessage = function(event) {
+    boo();
+};