Add a 'hidden' option to chrome.app.window.create()

chrome/browser/extensions/api/app_window/app_window_api.cc

Index: chrome/browser/extensions/api/app_window/app_window_api.cc
diff --git a/chrome/browser/extensions/api/app_window/app_window_api.cc b/chrome/browser/extensions/api/app_window/app_window_api.cc
index 97dcd1c195d11743b658a43e703b42493dce3964..4e1417d772939ba6d9c956e75e4798c919f2af0b 100644
--- a/chrome/browser/extensions/api/app_window/app_window_api.cc
+++ b/chrome/browser/extensions/api/app_window/app_window_api.cc
@@ -122,10 +122,14 @@ bool AppWindowCreateFunction::RunImpl() {
       create_params.bounds.set_height(maximum_size.height());
     if (create_params.bounds.height() < minimum_size.height())
       create_params.bounds.set_height(minimum_size.height());
+
+    if (options->hidden.get())
+      create_params.hidden = *options->create_hidden.get();
   }
   ShellWindow* shell_window =
       ShellWindow::Create(profile(), GetExtension(), url, create_params);
-  shell_window->GetBaseWindow()->Show();
+  if (!create_params.hidden)
+    shell_window->GetBaseWindow()->Show();
 
   content::WebContents* created_contents = shell_window->web_contents();
   int view_id = created_contents->GetRenderViewHost()->GetRoutingID();