Introduce App Launcher for Windows.

ui/app_list/app_list_view_delegate.h

Index: ui/app_list/app_list_view_delegate.h
diff --git a/ui/app_list/app_list_view_delegate.h b/ui/app_list/app_list_view_delegate.h
index d7e0c82f638e881b910223d7609aebba7054700f..971be802be2c32917bdcb086c9f1eaefe3e92962 100644
--- a/ui/app_list/app_list_view_delegate.h
+++ b/ui/app_list/app_list_view_delegate.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+  // Copyright (c) 2012 The Chromium Authors. All rights reserved.

[msw, 2012/08/29 08:02:35]

nit: remove spaces

[benwells, 2012/08/30 06:51:30]

Done.

 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -7,6 +7,10 @@
 
 #include "ui/app_list/app_list_export.h"
 
+namespace gfx {
+class ImageSkia;
+}
+
 namespace app_list {
 
 class AppListItemModel;
@@ -46,6 +50,9 @@ class APP_LIST_EXPORT AppListViewDelegate {
 
   // Invoked to close app list.
   virtual void Close() = 0;
+
+  // Get the application icon to be used, if any, for the app list.
+  virtual gfx::ImageSkia GetWindowAppIcon() = 0;

[msw, 2012/08/29 08:02:35]

nit: return a pointer to avoid copying?

[xiyuan, 2012/08/29 17:39:15]

gfx::ImageSkia is similar to SkBitmap. Copying is just an ref increment of its
underlying storage.

 };
 
 }  // namespace app_list