Show a different icon in the launcher for incognito windows

ash/launcher/tabbed_launcher_button.h

 // 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.
 
 #ifndef ASH_LAUNCHER_TABBED_LAUNCHER_BUTTON_H_
 #define ASH_LAUNCHER_TABBED_LAUNCHER_BUTTON_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "base/timer.h"
@@ skipping 14 matching lines @@
 class TabbedLauncherButton : public views::ImageButton {
  public:
   TabbedLauncherButton(views::ButtonListener* listener,
                        LauncherButtonHost* host);
   virtual ~TabbedLauncherButton();
 
   // Notification that the images are about to change. Kicks off an animation.
   void PrepareForImageChange();
 
   // Sets the images to display for this entry.
-  void SetTabImage(const SkBitmap& image, int count);
+  void SetTabImage(const SkBitmap& image, int count, bool private_tab);
 
  protected:
   // View overrides:
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
   virtual bool OnMousePressed(const views::MouseEvent& event) OVERRIDE;
   virtual void OnMouseReleased(const views::MouseEvent& event) OVERRIDE;
   virtual void OnMouseCaptureLost() OVERRIDE;
   virtual bool OnMouseDragged(const views::MouseEvent& event) OVERRIDE;
   virtual void OnMouseEntered(const views::MouseEvent& event) OVERRIDE;
   virtual void OnMouseMoved(const views::MouseEvent& event) OVERRIDE;
@@ skipping 37 matching lines @@
   AnimationDelegateImpl animation_delegate_;
 
   // Used to animate image.
   scoped_ptr<ui::MultiAnimation> animation_;
 
   // Should |images_| be shown? This is set to false soon after
   // PrepareForImageChange() is invoked without a following call to SetImages().
   bool show_image_;
 
   // Background images. Which one is chosen depends upon how many images are
-  // provided.
+  // provided and if the tab is private.

[oshima, 2012/03/09 17:54:02]

browser window is incognito (or off the record).

[Zachary Kuznia, 2012/03/09 22:17:35]

Done.

   static ImageSet* bg_image_1_;
   static ImageSet* bg_image_2_;
   static ImageSet* bg_image_3_;
 
+  static ImageSet* bg_private_image_1_;
+  static ImageSet* bg_private_image_2_;
+  static ImageSet* bg_private_image_3_;
+
   views::GlowHoverController hover_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(TabbedLauncherButton);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_LAUNCHER_TABBED_LAUNCHER_BUTTON_H_