Start EmbeddedWorker during registration - take 2

content/browser/service_worker/service_worker_provider_host.h

Index: content/browser/service_worker/service_worker_provider_host.h
diff --git a/content/browser/service_worker/service_worker_provider_host.h b/content/browser/service_worker/service_worker_provider_host.h
index 09990b61126f87315d1828fff08ebb0894210c56..f667d5c30a8dfd303c1bb3b8c8f907c690cc1c1c 100644
--- a/content/browser/service_worker/service_worker_provider_host.h
+++ b/content/browser/service_worker/service_worker_provider_host.h
@@ -6,6 +6,7 @@
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_
 
 #include "base/memory/ref_counted.h"
+#include "content/common/content_export.h"
 
 namespace content {
 
@@ -16,7 +17,7 @@ class ServiceWorkerVersion;
 // object is tied to the lifetime of its document in the renderer process.
 // This class holds service worker state this is scoped to an individual
 // document.
-class ServiceWorkerProviderHost {
+class CONTENT_EXPORT ServiceWorkerProviderHost {
  public:
   ServiceWorkerProviderHost(int process_id,
                             int provider_id);