Add the Windows.IsPinnedToTaskbar metric.

chrome/utility/ipc_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_
+#ifndef CHROME_UTILITY_IPC_SHELL_HANDLER_WIN_H_
+#define CHROME_UTILITY_IPC_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 {
+// Note: This class is deprecated in favor of the Mojo version.
+//       See chrome/common/shell_handler_win.mojom and
+//       chrome/utility/shell_handler_impl_win.h
+class IPCShellHandler : public UtilityMessageHandler {
  public:
-  ShellHandler();
-  ~ShellHandler() override;
+  IPCShellHandler();
+  ~IPCShellHandler() 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 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);
+  DISALLOW_COPY_AND_ASSIGN(IPCShellHandler);
 };
 
-#endif  // CHROME_UTILITY_SHELL_HANDLER_WIN_H_
+#endif  // CHROME_UTILITY_IPC_SHELL_HANDLER_WIN_H_