Introduce lock screen app context to extension features

chrome/browser/extensions/chrome_extensions_browser_client.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 "chrome/browser/extensions/chrome_extensions_browser_client.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
@@ skipping 27 matching lines @@
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/renderer_host/chrome_navigation_ui_data.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/browser/task_manager/web_contents_tags.h"
 #include "chrome/browser/ui/bluetooth/chrome_extension_bluetooth_chooser.h"
 #include "chrome/common/channel_info.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "components/net_log/chrome_net_log.h"
+#include "components/session_manager/core/session_manager.h"
 #include "components/update_client/update_client.h"
 #include "components/version_info/version_info.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/resource_request_info.h"
 #include "content/public/common/content_switches.h"
 #include "extensions/browser/api/generated_api_registration.h"
 #include "extensions/browser/extension_function_registry.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_util.h"
 #include "extensions/browser/mojo/service_registration.h"
@@ skipping 374 matching lines @@
     return nullptr;
   return navigation_data->GetExtensionNavigationUIData();
 }
 
 KioskDelegate* ChromeExtensionsBrowserClient::GetKioskDelegate() {
   if (!kiosk_delegate_)
     kiosk_delegate_.reset(new ChromeKioskDelegate());
   return kiosk_delegate_.get();
 }
 
+bool ChromeExtensionsBrowserClient::IsLockScreenContext(
+    content::BrowserContext* context) {
+#if defined(OS_CHROMEOS)
+  return chromeos::ProfileHelper::IsSigninProfile(
+             Profile::FromBrowserContext(context)) &&
+         session_manager::SessionManager::Get()->IsSessionStarted();
+#else
+  return false;
+#endif
+}
 }  // namespace extensions