Add the Windows.IsPinnedToTaskbar metric.

chrome/utility/shell_handler_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_UTILITY_SHELL_HANDLER_WIN_H_
-#define CHROME_UTILITY_SHELL_HANDLER_WIN_H_
-
-#include <Windows.h>
-
-#include <tuple>
-#include <vector>
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "chrome/utility/utility_message_handler.h"
-
-namespace base {
-class FilePath;
-}  // namespace base
-
-using GetOpenFileNameFilter =
-    std::vector<std::tuple<base::string16, base::string16>>;
-
-struct ChromeUtilityMsg_GetSaveFileName_Params;
-
-// Handles requests to execute shell operations. Used to protect the browser
-// process from instability due to 3rd-party shell extensions. Must be invoked
-// in a non-sandboxed utility process.
-class ShellHandler : public UtilityMessageHandler {
- public:
-  ShellHandler();
-  ~ShellHandler() override;
-
-  // IPC::Listener implementation
-  bool OnMessageReceived(const IPC::Message& message) override;
-
- private:
-  void OnGetOpenFileName(
-    HWND owner,
-    DWORD flags,
-    const GetOpenFileNameFilter& filter,
-    const base::FilePath& initial_directory,
-    const base::FilePath& filename);
-
-  void OnGetSaveFileName(const ChromeUtilityMsg_GetSaveFileName_Params& params);
-
-  DISALLOW_COPY_AND_ASSIGN(ShellHandler);
-};
-
-#endif  // CHROME_UTILITY_SHELL_HANDLER_WIN_H_