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

chrome/browser/ui/panels/panel.cc

 // Copyright (c) 2012 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/ui/panels/panel.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
@@ skipping 400 matching lines @@
     native_panel_->ShowPanel();
 }
 
 void Panel::ShowInactive() {
   if (manager()->display_settings_provider()->is_full_screen() || !panel_strip_)
     return;
 
   native_panel_->ShowPanelInactive();
 }
 
+void Panel::Hide() {
+  // Not implemented.
+}
+
 void Panel::SetBounds(const gfx::Rect& bounds) {
   // Ignore bounds position as the panel manager controls all positioning.
   if (!panel_strip_)
     return;
   panel_strip_->ResizePanelWindow(this, bounds.size());
   SetAutoResizable(false);
 }
 
 // Close() may be called multiple times if the panel window is not ready to
 // close on the first attempt.
@@ skipping 404 matching lines @@
     app_icon_ = image;
     native_panel_->UpdatePanelTitleBar();
   }
   app_icon_loader_.reset();
 
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_PANEL_APP_ICON_LOADED,
       content::Source<Panel>(this),
       content::NotificationService::NoDetails());
 }