Show a different icon in the launcher for incognito windows

chrome/browser/ui/views/ash/launcher/chrome_launcher_delegate.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 CHROME_BROWSER_UI_VIEWS_ASH_LAUNCHER_CHROME_LAUNCHER_DELEGATE_H_
 #define CHROME_BROWSER_UI_VIEWS_ASH_LAUNCHER_CHROME_LAUNCHER_DELEGATE_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 25 matching lines @@
                                public ash::LauncherModelObserver,
                                public content::NotificationObserver {
  public:
   // Indicates what should happen when the app is launched.
   enum AppType {
     APP_TYPE_WINDOW,
     APP_TYPE_PANEL,
     APP_TYPE_TAB
   };
 
+  // Indicates if a launcher item is incognito or not.
+  enum IncognitoState {
+    STATE_INCOGNITO,
+    STATE_NOT_INCOGNITO,
+  };
+
   // Interface used to load app icons. This is in it's own class so that it can
   // be mocked.
   class AppIconLoader {
    public:
     virtual ~AppIconLoader() {}
 
     // Returns the app id of the specified tab, or an empty string if there is
     // no app.
     virtual std::string GetAppID(TabContentsWrapper* tab) = 0;
 
@@ skipping 12 matching lines @@
   // Initializes this ChromeLauncherDelegate.
   void Init();
 
   // Returns the single ChromeLauncherDelegate instnace.
   static ChromeLauncherDelegate* instance() { return instance_; }
 
   // Registers the prefs used by ChromeLauncherDelegate.
   static void RegisterUserPrefs(PrefService* user_prefs);
 
   // Creates a new tabbed item on the launcher for |updater|.
-  ash::LauncherID CreateTabbedLauncherItem(LauncherUpdater* updater);
+  ash::LauncherID CreateTabbedLauncherItem(LauncherUpdater* updater,
+                                           IncognitoState is_incognito);
 
   // Creates a new app item on the launcher for |updater|. If there is an
   // existing pinned app that isn't running on the launcher, its id is returned.
   ash::LauncherID CreateAppLauncherItem(LauncherUpdater* updater,
                                         const std::string& app_id,
                                         AppType app_type,
                                         ash::LauncherItemStatus status);
 
   // Updates the running status of an item.
   void SetItemStatus(ash::LauncherID id, ash::LauncherItemStatus status);
@@ skipping 134 matching lines @@
 
   // Used to load the image for an app tab.
   scoped_ptr<AppIconLoader> app_icon_loader_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeLauncherDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_ASH_LAUNCHER_CHROME_LAUNCHER_DELEGATE_H_