PlzNavigate: Make ServiceWorker work with PlzNavigate.

content/browser/service_worker/service_worker_context_wrapper.h

Index: content/browser/service_worker/service_worker_context_wrapper.h
diff --git a/content/browser/service_worker/service_worker_context_wrapper.h b/content/browser/service_worker/service_worker_context_wrapper.h
index 558ecadadb5bb687242ce8afc2a9089f09067ed5..27a60529598f7837bd92f4978ca7754d1ca8b809 100644
--- a/content/browser/service_worker/service_worker_context_wrapper.h
+++ b/content/browser/service_worker/service_worker_context_wrapper.h
@@ -121,6 +121,10 @@ class CONTENT_EXPORT ServiceWorkerContextWrapper
   // false if one or more of the deletions fail.
   virtual void DeleteForOrigin(const GURL& origin, const ResultCallback& done);
 
+  // PlzNavigate:
+  void RegisterBrowserProviderHost(
+      scoped_ptr<ServiceWorkerProviderHost> provider_host);
+
   void StartServiceWorker(const GURL& pattern, const StatusCallback& callback);
   void UpdateRegistration(const GURL& pattern);
   void SimulateSkipWaiting(int64_t version_id);