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

extensions/shell/browser/shell_app_window_client.h

Index: extensions/shell/browser/shell_app_window_client.h
diff --git a/extensions/shell/browser/shell_app_window_client.h b/extensions/shell/browser/shell_app_window_client.h
index ecb5f0ba3856cd09ec855c97b1ae02802371af38..dc82c093ddabbf4ca6bb45af101369a781717f50 100644
--- a/extensions/shell/browser/shell_app_window_client.h
+++ b/extensions/shell/browser/shell_app_window_client.h
@@ -20,6 +20,10 @@ class ShellAppWindowClient : public AppWindowClient {
   // AppWindowClient overrides:
   AppWindow* CreateAppWindow(content::BrowserContext* context,
                              const Extension* extension) override;
+  AppWindow* CreateAppWindowForLockScreenAction(
+      content::BrowserContext* context,
+      const Extension* extension,
+      api::app_runtime::ActionType action) override;
   // Note that CreateNativeAppWindow is defined in separate (per-framework)
   // implementation files.
   NativeAppWindow* CreateNativeAppWindow(