Extract content dependency from keyboard code

ui/keyboard/keyboard.cc

-// Copyright (c) 2013 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.
-
-#include "ui/keyboard/keyboard.h"
-
-#include "base/files/file_path.h"
-#include "base/path_service.h"
-#include "ui/base/resource/resource_bundle.h"
-
-namespace keyboard {
-
-void InitializeKeyboard() {
-  static bool initialized = false;
-  if (initialized)
-    return;
-  initialized = true;
-
-  base::FilePath pak_dir;
-  PathService::Get(base::DIR_MODULE, &pak_dir);
-  base::FilePath pak_file = pak_dir.Append(
-      FILE_PATH_LITERAL("keyboard_resources.pak"));
-  ui::ResourceBundle::GetSharedInstance().AddDataPackFromPath(
-      pak_file, ui::SCALE_FACTOR_100P);
-}
-
-}  // namespace keyboard