Use favicon for application shortcut icon.

chrome/browser/shell_integration.h

 // Copyright (c) 2006-2008 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_SHELL_INTEGRATION_H__
 #define CHROME_BROWSER_SHELL_INTEGRATION_H__
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/ref_counted.h"
 #include "base/string16.h"
 #include "googleurl/src/gurl.h"
 
+#if defined(OS_LINUX)
+#include "third_party/skia/include/core/SkBitmap.h"
+#endif
+
 class FilePath;
 class MessageLoop;
 
 class ShellIntegration {
  public:
   // Sets Chrome as default browser (only for current user). Returns false if
   // this operation fails.
   static bool SetAsDefaultBrowser();
 
   // On Linux, it may not be possible to determine or set the default browser
@@ skipping 18 matching lines @@
 
 #if defined(OS_LINUX)
   // Returns filename for .desktop file based on |url|, sanitized for security.
   static FilePath GetDesktopShortcutFilename(const GURL& url);
 
   // Returns contents for .desktop file based on |template_contents|, |url|
   // and |title|. The |template_contents| should be contents of .desktop file
   // used to launch Chrome.
   static std::string GetDesktopFileContents(
       const std::string& template_contents, const GURL& url,
-      const string16& title);
+      const string16& title, const std::string& icon_name);
 
   struct ShortcutInfo {
     GURL url;
     string16 title;
+    SkBitmap favicon;
 
     bool create_on_desktop;
     bool create_in_applications_menu;
   };
 
   // Creates a desktop shortcut. It is not guaranteed to exist immediately after
   // returning from this function, because actual file operation is done on the
   // file thread.
   static void CreateDesktopShortcut(const ShortcutInfo& shortcut_info);
 #endif  // defined(OS_LINUX)
@@ skipping 54 matching lines @@
     DefaultBrowserObserver* observer_;
 
     MessageLoop* ui_loop_;
     MessageLoop* file_loop_;
 
     DISALLOW_COPY_AND_ASSIGN(DefaultBrowserWorker);
   };
 };
 
 #endif  // CHROME_BROWSER_SHELL_INTEGRATION_H__