Flip --enable-apps-show-on-first-paint flag.

chrome/browser/extensions/api/tabs/ash_panel_contents.h

 // Copyright 2013 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_TABS_ASH_PANEL_CONTENTS_H_
 #define CHROME_BROWSER_EXTENSIONS_API_TABS_ASH_PANEL_CONTENTS_H_
 
 #include <vector>
 
 #include "apps/app_window.h"
@@ skipping 28 matching lines @@
   explicit AshPanelContents(apps::AppWindow* host);
   virtual ~AshPanelContents();
 
   // apps::AppWindowContents
   virtual void Initialize(content::BrowserContext* context,
                           const GURL& url) OVERRIDE;
   virtual void LoadContents(int32 creator_process_id) OVERRIDE;
   virtual void NativeWindowChanged(apps::NativeAppWindow* native_app_window)
       OVERRIDE;
   virtual void NativeWindowClosed() OVERRIDE;
+  virtual void NativeWindowFirstShown() const OVERRIDE;
   virtual content::WebContents* GetWebContents() const OVERRIDE;
 
   // LauncherFaviconLoader::Delegate overrides:
   virtual void FaviconUpdated() OVERRIDE;
 
   // extensions::ExtensionFunctionDispatcher::Delegate
   virtual extensions::WindowController* GetExtensionWindowController() const
       OVERRIDE;
   virtual content::WebContents* GetAssociatedWebContents() const OVERRIDE;
 
@@ skipping 12 matching lines @@
   scoped_ptr<content::WebContents> web_contents_;
   scoped_ptr<extensions::ExtensionFunctionDispatcher>
       extension_function_dispatcher_;
   scoped_ptr<AshPanelWindowController> window_controller_;
   scoped_ptr<LauncherFaviconLoader> launcher_favicon_loader_;
 
   DISALLOW_COPY_AND_ASSIGN(AshPanelContents);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_TABS_ASH_PANEL_CONTENTS_H_