Fixed thread-unsafe use of gfx::Image in app shortcut creation.

chrome/browser/web_applications/web_app_chromeos.cc

 // Copyright 2013 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 "chrome/browser/web_applications/web_app.h"
 
 namespace web_app {
 
 void UpdateShortcutsForAllApps(Profile* profile,
                                const base::Closure& callback) {
   callback.Run();
 }
 
 namespace internals {
 
 bool CreatePlatformShortcuts(
     const base::FilePath& web_app_path,
-    const ShortcutInfo& shortcut_info,
+    scoped_ptr<ShortcutInfo> shortcut_info,
     const extensions::FileHandlersInfo& file_handlers_info,
     const ShortcutLocations& creation_locations,
     ShortcutCreationReason creation_reason) {
   return true;
 }
 
 void DeletePlatformShortcuts(const base::FilePath& web_app_path,
-                             const ShortcutInfo& shortcut_info) {}
+                             scoped_ptr<ShortcutInfo> shortcut_info) {}
 
 void UpdatePlatformShortcuts(
     const base::FilePath& web_app_path,
     const base::string16& old_app_title,
-    const ShortcutInfo& shortcut_info,
+    scoped_ptr<ShortcutInfo> shortcut_info,
     const extensions::FileHandlersInfo& file_handlers_info) {}
 
 void DeleteAllShortcutsForProfile(const base::FilePath& profile_path) {}
 
 }  // namespace internals
 }  // namespace web_app