Remove custom Task implementations from VisitedLinkMaster and web_app.

chrome/browser/web_applications/web_app.h

 // Copyright (c) 2011 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_H_
 #define CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
-#include "base/callback_old.h"
 #include "base/file_path.h"
 #include "build/build_config.h"
 #include "chrome/browser/shell_integration.h"
 #include "chrome/common/web_apps.h"
 
 namespace web_app {
 
 // Compute a deterministic name based on data in the shortcut_info.
 std::string GenerateApplicationNameFromInfo(
     const ShellIntegration::ShortcutInfo& shortcut_info);
 
 // Compute a deterministic name based on the URL. We use this pseudo name
 // as a key to store window location per application URLs in Browser and
 // as app id for BrowserWindow, shortcut and jump list.
 std::string GenerateApplicationNameFromURL(const GURL& url);
 
 // Compute a deterministic name based on an extension/apps's id.
 std::string GenerateApplicationNameFromExtensionId(const std::string& id);
 
 // Extracts the extension id from the app name.
 std::string GetExtensionIdFromApplicationName(const std::string& app_name);
 
-// Callback after user dismisses CreateShortcutView. "true" indicates
-// shortcut is created successfully. Otherwise, it is false.
-typedef Callback1<bool>::Type CreateShortcutCallback;
-
 // Creates a shortcut for web application based on given shortcut data.
 // |profile_path| is used as root directory for persisted data such as icon.
 // Directory layout is similar to what Gears has, i.e. an web application's
 // file is stored under "#/host_name/scheme_port", where '#' is the
 // |root_dir|.  A crx based app uses a directory named _crx_<app id>.
 void CreateShortcut(
     const FilePath& profile_path,
-    const ShellIntegration::ShortcutInfo& shortcut_info,
-    CreateShortcutCallback* callback);
+    const ShellIntegration::ShortcutInfo& shortcut_info);
 
 // Returns true if given url is a valid web app url.
 bool IsValidUrl(const GURL& url);
 
 // Returns data dir for web apps for given profile path.
 FilePath GetDataDir(const FilePath& profile_path);
 
 #if defined(TOOLKIT_VIEWS)
 // Extracts icons info from web app data. Take only square shaped icons and
 // sort them from smallest to largest.
@@ skipping 17 matching lines @@
 bool CheckAndSaveIcon(const FilePath& icon_file, const SkBitmap& image);
 #endif
 
 FilePath GetWebAppDataDirectory(const FilePath& root_dir,
                                 const ShellIntegration::ShortcutInfo& info);
 }  // namespace internals
 
 }  // namespace web_app
 
 #endif  // CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_H_