[DevTools] Always send a copy of worker message through the page.

third_party/WebKit/LayoutTests/inspector-protocol/resources/worker-console-worker.js

Index: third_party/WebKit/LayoutTests/inspector-protocol/resources/worker-console-worker.js
diff --git a/third_party/WebKit/LayoutTests/inspector-protocol/resources/worker-console-worker.js b/third_party/WebKit/LayoutTests/inspector-protocol/resources/worker-console-worker.js
index 8c5f0035af89eba7aca77fcc1b43a99a1930b6f8..515132731493ab67d89e0686220a19b0eeb72dfc 100644
--- a/third_party/WebKit/LayoutTests/inspector-protocol/resources/worker-console-worker.js
+++ b/third_party/WebKit/LayoutTests/inspector-protocol/resources/worker-console-worker.js
@@ -1,6 +1,9 @@
 self.onmessage = function(event)
 {
-    console.log(event.data);
+    if (event.data.indexOf("throw") === 0)
+        Promise.reject(event.data);
+    else
+        console.log(event.data);
     self.postMessage(event.data);
 }
 self.postMessage("ready");