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 99898a9e064c6746fd9739cf0f968030efc379a7..9a1511c686a37f7465193c4524bf3fa17008d963 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&)>;
 
   // If |render_frame_id| is MSG_ROUTING_NONE, this provider host works for the
   // worker context.
@@ -146,7 +148,7 @@ 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.