Activate windows opened via Service Worker Clients.openWindow

content/browser/service_worker/service_worker_version.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_version.h"
 
 #include <algorithm>
 #include <map>
 #include <string>
 
@@ skipping 218 matching lines @@
 
   int frame_tree_node_id_;
   const OpenURLCallback callback_;
 
   DISALLOW_COPY_AND_ASSIGN(OpenURLObserver);
 };
 
 // This is only called for main frame navigations in OpenWindowOnUI().
 void DidOpenURL(const OpenURLCallback& callback, WebContents* web_contents) {
   DCHECK(web_contents);
+  WebContentsImpl* web_contents_impl =
+      static_cast<WebContentsImpl*>(web_contents);
+  // On Mac, if there are no Chrome windows open, ContentBrowserClient::OpenURL
+  // will call ui::BaseWindow::Show which opens a new window and makes it the
+  // main+key Chrome window, but won't raise it on top of other apps
+  // (https://crbug.com/470830). Since openWindow is always called from a user
+  // gesture (e.g. notification click), we should additionally raise the window.
+  web_contents_impl->Activate();
 
   RenderFrameHostImpl* rfhi =
       static_cast<RenderFrameHostImpl*>(web_contents->GetMainFrame());
   new OpenURLObserver(web_contents,
                       rfhi->frame_tree_node()->frame_tree_node_id(), callback);
 }
 
 void NavigateClientOnUI(const GURL& url,
                         const GURL& script_url,
                         int process_id,
@@ skipping 2139 matching lines @@
 void ServiceWorkerVersion::OnBeginEvent() {
   if (should_exclude_from_uma_ || running_status() != RUNNING ||
       idle_time_.is_null()) {
     return;
   }
   ServiceWorkerMetrics::RecordTimeBetweenEvents(base::TimeTicks::Now() -
                                                 idle_time_);
 }
 
 }  // namespace content