Service Worker: Add Clients.get(id)

content/browser/service_worker/service_worker_client_utils.h

Index: content/browser/service_worker/service_worker_client_utils.h
diff --git a/content/browser/service_worker/service_worker_client_utils.h b/content/browser/service_worker/service_worker_client_utils.h
index 258268e1e0d2cbe93c698a3970add5fddb7fd2a8..66a1b25269f38dc4f0e380c718d59979ad76e5cd 100644
--- a/content/browser/service_worker/service_worker_client_utils.h
+++ b/content/browser/service_worker/service_worker_client_utils.h
@@ -10,6 +10,7 @@
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
+#include "content/browser/service_worker/service_worker_provider_host.h"
 #include "content/common/service_worker/service_worker_status_code.h"
 
 class GURL;
@@ -47,6 +48,14 @@ void NavigateClient(const GURL& url,
                     const base::WeakPtr<ServiceWorkerContextCore>& context,
                     const NavigationCallback& callback);
 
+// Gets a client matched by |client_uuid|. |callback| is called with the client
+// information on completion.
+void GetClient(
+    const base::WeakPtr<ServiceWorkerVersion>& controller,
+    const std::string& client_uuid,
+    const base::WeakPtr<ServiceWorkerContextCore>& context,
+    const ServiceWorkerProviderHost::GetClientInfoCallback& callback);
+
 // Collects clients matched with |options|. |callback| is called with the client
 // information sorted in MRU order (most recently focused order) on completion.
 void GetClients(const base::WeakPtr<ServiceWorkerVersion>& controller,