Add option to install an ephemeral app to the Windows jump list

chrome/browser/ui/views/apps/jumplist_updater_win.h

Index: chrome/browser/ui/views/apps/jumplist_updater_win.h
diff --git a/chrome/browser/ui/views/apps/jumplist_updater_win.h b/chrome/browser/ui/views/apps/jumplist_updater_win.h
new file mode 100644
index 0000000000000000000000000000000000000000..dce66587d872910ba5c543ee2faa48653656cde8
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+++ b/chrome/browser/ui/views/apps/jumplist_updater_win.h
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+// 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_UI_VIEWS_APPS_JUMPLIST_UPDATER_WIN_H_
+#define CHROME_BROWSER_UI_VIEWS_APPS_JUMPLIST_UPDATER_WIN_H_
+
+#include <vector>
+
+#include "base/files/file_path.h"
+#include "base/strings/string16.h"
+#include "ui/gfx/image/image.h"
+
+class Profile;
+
+// Updates the jump list of an application. Jump lists are available in
+// Windows 7 and later only.
+// Note that all list items are added to the predefined "Tasks" category.
+// Support for other categories or custom categories will be added when
+// required.
+class JumpListUpdater {
+ public:
+  // A single item in the jump list. "chrome.exe" will be invoked for each
+  // list item. Each item can specify additional command line switches.
+  struct ListItem {
+    // List item caption.
+    base::string16 title;
+
+    // The path of the list item's icon.
+    base::FilePath icon_path;
+
+    // Command line args for the list item.
+    base::string16 command_line_args;
+
+    ListItem(const base::string16& title,
+             const base::FilePath& icon_path,
+             const base::string16& args)
+        : title(title), icon_path(icon_path), command_line_args(args) {}
+
+    ListItem(const base::string16& title, const base::FilePath& icon_path)
+        : title(title), icon_path(icon_path) {}
+  };
+
+  // Append a switch and value to command line args.
+  static void AppendArgs(const std::string& switch_string,
+                         const base::string16& value,
+                         base::string16* command_line_args);
+
+  JumpListUpdater(Profile* profile,
+                  const base::string16& app_user_model_id);
+  virtual ~JumpListUpdater();
+
+  // Update the jump list.
+  void Update(const std::vector<ListItem>& items);
+
+ private:
+  Profile* profile_;
+
+  // The Windows AppUserModelID.
+  base::string16 app_user_model_id_;
+
+  // Absolute path to chrome.exe.
+  base::FilePath chrome_path_;
+
+  // Common command line switches for each list item.
+  base::string16 default_chrome_switches_;
+
+  DISALLOW_COPY_AND_ASSIGN(JumpListUpdater);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_APPS_JUMPLIST_UPDATER_WIN_H_