Show a different icon in the launcher for incognito windows

ash/launcher/launcher_view.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 "ash/launcher/launcher_view.h"
 
 #include "ash/launcher/launcher_button.h"
 #include "ash/launcher/launcher_delegate.h"
 #include "ash/launcher/launcher_model.h"
 #include "ash/launcher/launcher_window_cycler.h"
@@ skipping 314 matching lines @@
     bounds_animator_->AnimateViewTo(view_model_->view_at(i),
                                     view_model_->ideal_bounds(i));
   }
   overflow_button_->SetBoundsRect(ideal_bounds.overflow_bounds);
 }
 
 views::View* LauncherView::CreateViewForItem(const LauncherItem& item) {
   views::View* view = NULL;
   switch (item.type) {
     case TYPE_TABBED: {
-      TabbedLauncherButton* button = TabbedLauncherButton::Create(this, this);
+      TabbedLauncherButton* button =
+          TabbedLauncherButton::Create(
+              this,
+              this,
+              item.is_incognito ?
+                  TabbedLauncherButton::STATE_INCOGNITO :
+                  TabbedLauncherButton::STATE_NOT_INCOGNITO);
       button->SetTabImage(item.image);
       button->set_context_menu_controller(this);
       ReflectItemStatus(item, button);
       view = button;
       break;
     }
 
     case TYPE_APP: {
       LauncherButton* button = LauncherButton::Create(this, this);
       button->SetImage(item.image);
@@ skipping 381 matching lines @@
   // code.
   if (launcher_menu_runner_->RunMenuAt(
           source->GetWidget(), NULL, gfx::Rect(point, gfx::Size()),
           views::MenuItemView::TOPLEFT, 0) == views::MenuRunner::MENU_DELETED)
     return;
 #endif
 }
 
 }  // namespace internal
 }  // namespace ash