Use favicon for application shortcut icon.

chrome/browser/gtk/create_application_shortcuts_dialog_gtk.h

 // Copyright (c) 2009 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_GTK_CREATE_APPLICATION_SHORTCUTS_DIALOG_GTK_H_
 #define CHROME_BROWSER_GTK_CREATE_APPLICATION_SHORTCUTS_DIALOG_GTK_H_
 
 #include "base/basictypes.h"
 #include "base/string16.h"
 #include "googleurl/src/gurl.h"
+#include "third_party/skia/include/core/SkBitmap.h"
 
 typedef struct _GtkWidget GtkWidget;
 typedef struct _GtkWindow GtkWindow;
 
 class CreateApplicationShortcutsDialogGtk {
  public:
   // Displays the dialog box to create application shortcuts for |url| with
   // |title|.
-  static void Show(GtkWindow* parent, const GURL& url, const string16& title);
+  static void Show(GtkWindow* parent,
+                   const GURL& url,
+                   const string16& title,
+                   const SkBitmap& favicon);
 
  private:
-  CreateApplicationShortcutsDialogGtk(GtkWindow* parent, const GURL& url,
-                                      const string16& title);
+  CreateApplicationShortcutsDialogGtk(GtkWindow* parent,
+                                      const GURL& url,
+                                      const string16& title,
+                                      const SkBitmap& favicon);
   ~CreateApplicationShortcutsDialogGtk() { }
 
   // Handler to respond to Ok and Cancel responses from the dialog.
   static void HandleOnResponseDialog(GtkWidget* widget,
       int response, CreateApplicationShortcutsDialogGtk* user_data) {
     user_data->OnDialogResponse(widget, response);
   }
 
   void OnDialogResponse(GtkWidget* widget, int response);
 
   // UI elements.
   GtkWidget* desktop_checkbox_;
   GtkWidget* menu_checkbox_;
 
   // Target URL of the shortcut.
   GURL url_;
 
   // Visible title of the shortcut.
   string16 title_;
 
+  // The favicon of the tab contents, used to set the icon on the desktop.
+  SkBitmap favicon_;
+
   DISALLOW_COPY_AND_ASSIGN(CreateApplicationShortcutsDialogGtk);
 };
 
 #endif  // CHROME_BROWSER_GTK_CREATE_APPLICATION_SHORTCUTS_DIALOG_GTK_H_