Gather the ServiceWorker client information in the browser process.

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 03cb0c638d04a2e688e2a9d0843d0bac1efd9da2..abe7fa382e26f5ae9a2f579f984984640629ff22 100644
--- a/content/browser/service_worker/service_worker_provider_host.h
+++ b/content/browser/service_worker/service_worker_provider_host.h
@@ -45,7 +45,9 @@ class CONTENT_EXPORT ServiceWorkerProviderHost
     : public NON_EXPORTED_BASE(ServiceWorkerRegistration::Listener),
       public base::SupportsWeakPtr<ServiceWorkerProviderHost> {
  public:
-  typedef base::Callback<void(bool)> FocusCallback;
+  using FocusCallback = base::Callback<void(bool)>;
+  using GetClientInfoCallback =
+      base::Callback<void(const ServiceWorkerClientInfo&)>;
 
   ServiceWorkerProviderHost(int render_process_id,
                             int render_frame_id,
@@ -144,7 +146,7 @@ class CONTENT_EXPORT ServiceWorkerProviderHost
   void Focus(const FocusCallback& callback);
 
   // Asks the renderer to send back the document information.
-  void GetClientInfo(int embedded_worker_id, int request_id);
+  void GetClientInfo(const GetClientInfoCallback& callback);
 
   // Adds reference of this host's process to the |pattern|, the reference will
   // be removed in destructor.