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..2e3305e2c09de1a636e696e1c0e2767a5d8e0f82 100644
--- a/content/browser/service_worker/service_worker_client_utils.h
+++ b/content/browser/service_worker/service_worker_client_utils.h
@@ -27,6 +27,7 @@ using NavigationCallback =
     base::Callback<void(ServiceWorkerStatusCode status,
                         const std::string& client_uuid,
                         const ServiceWorkerClientInfo& client_info)>;
+using ClientCallback = base::Callback<void(const ServiceWorkerClientInfo&)>;

[zino, 2016/02/05 06:21:44]

nit: There was the same callback type in service_worker_provider_host.h. You
could use it.

[jungkees, 2016/02/12 15:03:21]

Removed ClientCallback in favor of
ServiceWorkerProviderHost::GetClientInfoCallback as suggested.

 using ServiceWorkerClients = std::vector<ServiceWorkerClientInfo>;
 using ClientsCallback = base::Callback<void(ServiceWorkerClients* clients)>;
 
@@ -47,6 +48,13 @@ void NavigateClient(const GURL& url,
                     const base::WeakPtr<ServiceWorkerContextCore>& context,
                     const NavigationCallback& callback);
 
+// Gets a client matched by |id|. |callback| is called with the client

[nhiroki, 2016/02/08 06:27:02]

nit: |id| -> |client_uuid|

[jungkees, 2016/02/12 15:03:21]

Done.

+// information on completion.
+void GetClient(const base::WeakPtr<ServiceWorkerVersion>& controller,
+               const std::string& client_uuid,
+               const base::WeakPtr<ServiceWorkerContextCore>& context,
+               const ClientCallback& 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,