[ServiceWorker] Implement WebServiceWorkerContextClient::openWindow().

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 130 matching lines @@
   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);
 
   // Asks the renderer to send back the document information.
-  void GetClientInfo(const GetClientInfoCallback& callback);
+  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);
 
   // Methods to support cross site navigations.
   void PrepareForCrossSiteTransfer();
   void CompleteCrossSiteTransfer(
       int new_process_id,
       int new_frame_id,
@@ skipping 62 matching lines @@
   bool allow_association_;
 
   std::vector<base::Closure> queued_events_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerProviderHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_