Shows the error message while fetching the SW script in the DevTools console.

content/browser/service_worker/embedded_worker_instance.cc

 // 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.
 
 #include "content/browser/service_worker/embedded_worker_instance.h"
 
 #include <utility>
 
 #include "base/bind_helpers.h"
 #include "base/macros.h"
@@ skipping 791 matching lines @@
 
 base::TimeDelta EmbeddedWorkerInstance::UpdateStepTime() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DCHECK(!step_time_.is_null());
   base::TimeTicks now = base::TimeTicks::Now();
   base::TimeDelta duration = now - step_time_;
   step_time_ = now;
   return duration;
 }
 
+void EmbeddedWorkerInstance::AddMessageToConsole(ConsoleMessageLevel level,
+                                                 const std::string& message) {
+  if (status_ != RUNNING && status_ != STARTING)
+    return;
+  registry_->Send(process_id(), new EmbeddedWorkerMsg_AddMessageToConsole(
+                                    embedded_worker_id_, level, message));
+}
+
 // static
 std::string EmbeddedWorkerInstance::StatusToString(Status status) {
   switch (status) {
     case STOPPED:
       return "STOPPED";
     case STARTING:
       return "STARTING";
     case RUNNING:
       return "RUNNING";
     case STOPPING:
@@ skipping 27 matching lines @@
     case SCRIPT_READ_FINISHED:
       return "Script read finished";
     case STARTING_PHASE_MAX_VALUE:
       NOTREACHED();
   }
   NOTREACHED() << phase;
   return std::string();
 }
 
 }  // namespace content