ServiceWorker: Shows a warning when adding event handlers asynchronously

third_party/WebKit/LayoutTests/http/tests/inspector/service-workers/lazy-addeventlisteners-expected.txt

Index: third_party/WebKit/LayoutTests/http/tests/inspector/service-workers/lazy-addeventlisteners-expected.txt
diff --git a/third_party/WebKit/LayoutTests/http/tests/inspector/service-workers/lazy-addeventlisteners-expected.txt b/third_party/WebKit/LayoutTests/http/tests/inspector/service-workers/lazy-addeventlisteners-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f8030c1e306adb8ad877c50b94280eb6ab6bf32f
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/http/tests/inspector/service-workers/lazy-addeventlisteners-expected.txt
@@ -0,0 +1,7 @@
+Warning should be shown at the console when calling addEventListener after the first evaluation.
+
+Message count: 3
+service-worker-lazy-addeventlistener.js:7 Here is in the first execution.
+service-worker-lazy-addeventlistener.js:2 Event handler of 'install' event must be added on the initial evaluation of worker script.setTimeout @ service-worker-lazy-addeventlistener.js:2
+service-worker-lazy-addeventlistener.js:5 Here is in setTimeout.
+