[ServiceWorker] Update SWProviderHost::Focus() to return a Client.

content/browser/service_worker/service_worker_provider_host.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 27 matching lines @@
 // object is tied to the lifetime of its document in the renderer process.
 // This class holds service worker state that is scoped to an individual
 // document.
 //
 // Note this class can also host a running service worker, in which
 // case it will observe resource loads made directly by the service worker.
 class CONTENT_EXPORT ServiceWorkerProviderHost
     : public NON_EXPORTED_BASE(ServiceWorkerRegistration::Listener),
       public base::SupportsWeakPtr<ServiceWorkerProviderHost> {
  public:
-  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.
   ServiceWorkerProviderHost(int render_process_id,
                             int render_frame_id,
                             int provider_id,
                             base::WeakPtr<ServiceWorkerContextCore> context,
                             ServiceWorkerDispatcherHost* dispatcher_host);
@@ skipping 77 matching lines @@
   // Returns true if the context referred to by this host (i.e. |context_|) is
   // still alive.
   bool IsContextAlive();
 
   // Dispatches message event to the document.
   void PostMessage(const base::string16& message,
                    const std::vector<int>& sent_message_port_ids);
 
   // Activates the WebContents associated with
   // { render_process_id_, render_frame_id_ }.
-  // Runs the |callback| with the result in parameter describing whether the
-  // focusing action was successful.
-  void Focus(const FocusCallback& callback);
+  // Runs the |callback| with the updated ServiceWorkerClientInfo in parameter.
+  void Focus(const GetClientInfoCallback& callback);
 
   // Asks the renderer to send back the document information.
   void GetClientInfo(const GetClientInfoCallback& callback) const;
 
   // Adds reference of this host's process to the |pattern|, the reference will
   // be removed in destructor.
   void AddScopedProcessReferenceToPattern(const GURL& pattern);
 
   // |registration| claims the document to be controlled.
   void ClaimedByRegistration(ServiceWorkerRegistration* registration);
@@ skipping 69 matching lines @@
   bool is_claiming_;
 
   std::vector<base::Closure> queued_events_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerProviderHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_