SW: Propagate errors/exceptions from service worker to browser

content/renderer/service_worker/embedded_worker_context_client.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_CHILD_SERVICE_WORKER_EMBEDDED_WORKER_CLIENT_H_
 #define CONTENT_CHILD_SERVICE_WORKER_EMBEDDED_WORKER_CLIENT_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
@@ skipping 43 matching lines @@
 
   bool OnMessageReceived(const IPC::Message& msg);
 
   void SendMessageToBrowser(int request_id, const IPC::Message& message);
 
   // WebServiceWorkerContextClient overrides, some of them are just dispatched
   // on to script_context_.
   virtual void workerContextFailedToStart();
   virtual void workerContextStarted(blink::WebServiceWorkerContextProxy* proxy);
   virtual void workerContextDestroyed();
+  virtual void reportException(const blink::WebString& error_message,
+                               int line_number,
+                               int column_number,
+                               const blink::WebString& source_url);
   virtual void didHandleActivateEvent(int request_id,
                                       blink::WebServiceWorkerEventResult);
   virtual void didHandleInstallEvent(int request_id,
                                      blink::WebServiceWorkerEventResult result);
   virtual void didHandleFetchEvent(int request_id);
   virtual void didHandleFetchEvent(
       int request_id,
       const blink::WebServiceWorkerResponse& response);
   virtual blink::WebServiceWorkerNetworkProvider*
       createServiceWorkerNetworkProvider(blink::WebDataSource* data_source);
@@ skipping 23 matching lines @@
   scoped_ptr<ServiceWorkerScriptContext> script_context_;
 
   base::WeakPtrFactory<EmbeddedWorkerContextClient> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EmbeddedWorkerContextClient);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_SERVICE_WORKER_EMBEDDED_WORKER_CLIENT_H_