Support "Pin to taskbar" for hosted app windows.

chrome/browser/web_applications/update_relaunch_details_worker_win.h

+// Copyright 2014 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_UPDATE_RELAUNCH_DETAILS_WORKER_WIN_H_
+#define CHROME_BROWSER_WEB_APPLICATIONS_UPDATE_RELAUNCH_DETAILS_WORKER_WIN_H_
+
+#include "chrome/browser/shell_integration.h"

[jackhou1, 2014/04/29 08:50:18]

You probably need to sync. It's web_app::ShortcutInfo now, so you won't need
this include.

[calamity, 2014/05/19 06:11:54]

Done.

+#include "chrome/browser/web_applications/web_app.h"
+
+namespace extensions {
+class Extension;
+}
+
+namespace web_app {
+
+// UpdateRelaunchDetailsWorker holds all context data needed for updating the
+// relaunch details of an app.
+class UpdateRelaunchDetailsWorker {
+ public:
+  UpdateRelaunchDetailsWorker(Profile* profile,
+                              const extensions::Extension* extension,
+                              HWND hwnd);
+
+  void Run();
+
+ private:
+  ~UpdateRelaunchDetailsWorker();
+
+  void OnShortcutInfoLoaded(
+      const ShellIntegration::ShortcutInfo& shortcut_info);
+
+  // Sets the relaunch data so "Pin this program to taskbar" has the app's
+  // information.
+  void CreateIconAndSetRelaunchDetails(
+      const base::FilePath& web_app_path,
+      const base::FilePath& icon_file,
+      const ShellIntegration::ShortcutInfo& shortcut_info);
+
+  void DeleteMeOnUIThread();
+
+  Profile* profile_;
+
+  const extensions::Extension* extension_;
+
+  HWND hwnd_;
+
+  DISALLOW_COPY_AND_ASSIGN(UpdateRelaunchDetailsWorker);
+};
+
+}  // namespace web_app
+
+#endif  // CHROME_BROWSER_WEB_APPLICATIONS_UPDATE_RELAUNCH_DETAILS_WORKER_WIN_H_