Changes in app.window and app.runtime to support lock screen note taking

apps/launcher.cc

Index: apps/launcher.cc
diff --git a/apps/launcher.cc b/apps/launcher.cc
index d1925112dd93844ee1b767a0fda026749912f2b1..3cf2ae0b61ab4ef9c7c44ecf12d5954c9166a78d 100644
--- a/apps/launcher.cc
+++ b/apps/launcher.cc
@@ -37,6 +37,8 @@
 #include "extensions/common/api/app_runtime.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/manifest_handlers/kiosk_mode_info.h"
+#include "extensions/common/permissions/api_permission.h"
+#include "extensions/common/permissions/permissions_data.h"
 #include "net/base/filename_util.h"
 #include "url/gurl.h"
 
@@ -434,6 +436,12 @@ void LaunchPlatformAppWithAction(
     const extensions::Extension* app,
     std::unique_ptr<app_runtime::ActionData> action_data,
     const base::FilePath& file_path) {
+  CHECK(!action_data || !action_data->is_lock_screen_action ||
+        !*action_data->is_lock_screen_action ||
+        app->permissions_data()->HasAPIPermission(
+            extensions::APIPermission::kLockScreen))
+      << "Launching lock screen action handler requires lockScreen permission.";
+
   scoped_refptr<PlatformAppPathLauncher> launcher =
       new PlatformAppPathLauncher(context, app, file_path);
   launcher->set_action_data(std::move(action_data));