[ServiceWorker] Implement WebServiceWorkerContextClient::openWindow().

content/browser/service_worker/service_worker_provider_host.cc

 // 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.
 
 #include "content/browser/service_worker/service_worker_provider_host.h"
 
 #include "base/stl_util.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/message_port_message_filter.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
@@ skipping 265 matching lines @@
 void ServiceWorkerProviderHost::Focus(const FocusCallback& callback) {
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&FocusOnUIThread,
                  render_process_id_,
                  render_frame_id_,
                  callback));
 }
 
 void ServiceWorkerProviderHost::GetClientInfo(
-    const GetClientInfoCallback& callback) {
+    const GetClientInfoCallback& callback) const {
   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
                           base::Bind(&GetClientInfoOnUIThread,
                                      render_process_id_,
                                      render_frame_id_,
                                      document_url_,
                                      callback));
 }
 
 void ServiceWorkerProviderHost::AddScopedProcessReferenceToPattern(
     const GURL& pattern) {
@@ skipping 133 matching lines @@
     context_->process_manager()->RemoveProcessReferenceFromPattern(
         pattern, render_process_id_);
   }
 }
 
 bool ServiceWorkerProviderHost::IsContextAlive() {
   return context_ != NULL;
 }
 
 }  // namespace content