Introduce lock screen app context to extension features

extensions/browser/renderer_startup_helper.cc

 // Copyright 2014 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 "extensions/browser/renderer_startup_helper.h"
 
 #include "base/debug/dump_without_crashing.h"
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "base/values.h"
@@ skipping 85 matching lines @@
   // We only send the ActivityLoggingEnabled message if it is enabled; otherwise
   // the default (not enabled) is correct.
   if (activity_logging_enabled) {
     process->Send(
         new ExtensionMsg_SetActivityLoggingEnabled(activity_logging_enabled));
   }
 
   // Extensions need to know the channel and the session type for API
   // restrictions. The values are sent to all renderers, as the non-extension
   // renderers may have content scripts.
-  process->Send(new ExtensionMsg_SetSessionInfo(
-      GetCurrentChannel(), GetCurrentFeatureSessionType()));
+  bool is_lock_screen_context =
+      client->IsLockScreenContext(process->GetBrowserContext());
+  process->Send(new ExtensionMsg_SetSessionInfo(GetCurrentChannel(),
+                                                GetCurrentFeatureSessionType(),
+                                                is_lock_screen_context));
 
   // Platform apps need to know the system font.
   // TODO(dbeam): this is not the system font in all cases.
   process->Send(new ExtensionMsg_SetSystemFont(webui::GetFontFamily(),
                                                webui::GetFontSize()));
 
   // Scripting whitelist. This is modified by tests and must be communicated
   // to renderers.
   process->Send(new ExtensionMsg_SetScriptingWhitelist(
       extensions::ExtensionsClient::Get()->GetScriptingWhitelist()));
@@ skipping 178 matching lines @@
     BrowserContext* context) const {
   // Redirected in incognito.
   return ExtensionsBrowserClient::Get()->GetOriginalContext(context);
 }
 
 bool RendererStartupHelperFactory::ServiceIsCreatedWithBrowserContext() const {
   return true;
 }
 
 }  // namespace extensions