Service worker registration error support

content/browser/service_worker/service_worker_context.cc

Index: content/browser/service_worker/service_worker_context.cc
diff --git a/content/browser/service_worker/service_worker_context.cc b/content/browser/service_worker/service_worker_context.cc
index ed9f669d7f41b421c890b265afd1e481c15e7eea..f61744f36bc148d828cb075f2ff72059cad5f073 100644
--- a/content/browser/service_worker/service_worker_context.cc
+++ b/content/browser/service_worker/service_worker_context.cc
@@ -4,7 +4,9 @@
 
 #include "content/browser/service_worker/service_worker_context.h"
 
+#include "base/command_line.h"
 #include "base/files/file_path.h"
+#include "content/public/common/content_switches.h"
 #include "webkit/browser/quota/quota_manager.h"
 
 namespace content {
@@ -20,6 +22,11 @@ ServiceWorkerContext::ServiceWorkerContext(
     path_ = path.Append(kServiceWorkerDirectory);
 }
 
+bool ServiceWorkerContext::IsEnabled() {
+  return CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableServiceWorker);
+}
+
 ServiceWorkerContext::~ServiceWorkerContext() {}
 
 }  // namespace content