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

chrome/browser/web_applications/web_app_win.h

 // 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.
 
 #ifndef CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_WIN_H_
 #define CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_WIN_H_
 
 #include "base/files/file_path.h"
 #include "chrome/browser/web_applications/web_app.h"
 
 class Profile;
 
 namespace content {
 class WebContents;
 }
 
 namespace extensions {
 class Extension;
 }
 
 namespace gfx {
 class ImageFamily;
 }
 
 namespace web_app {
 
 // Create a shortcut in the given web app data dir, returning the name of the
 // created shortcut.
-base::FilePath CreateShortcutInWebAppDir(const base::FilePath& web_app_path,
-                                         const ShortcutInfo& shortcut_info);
+base::FilePath CreateShortcutInWebAppDir(
+    const base::FilePath& web_app_path,
+    scoped_ptr<ShortcutInfo> shortcut_info);
 
 // Update the relaunch details for the given app's window, making the taskbar
 // group's "Pin to the taskbar" button function correctly.
 void UpdateRelaunchDetailsForApp(Profile* profile,
                                  const extensions::Extension* extension,
                                  HWND hwnd);
 
 namespace internals {
 
 // Saves |image| to |icon_file| if the file is outdated. Returns true if
 // icon_file is up to date or successfully updated.
 // If |refresh_shell_icon_cache| is true, the shell's icon cache will be
 // refreshed, ensuring the correct icon is displayed, but causing a flicker.
 // Refreshing the icon cache is not necessary on shortcut creation as the shell
 // will be notified when the shortcut is created.
 bool CheckAndSaveIcon(const base::FilePath& icon_file,
                       const gfx::ImageFamily& image,
                       bool refresh_shell_icon_cache);
 
 base::FilePath GetIconFilePath(const base::FilePath& web_app_path,
                                const base::string16& title);
 
 }  // namespace internals
 
 }  // namespace web_app
 
 #endif  // CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_WIN_H_