Move the methods in disposition_utils.h and event_disposition.h to ui\base\window_open_disposition.…

chrome/browser/disposition_utils.cc

-// Copyright (c) 2011 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 "chrome/browser/disposition_utils.h"
-
-#include "build/build_config.h"
-
-namespace disposition_utils {
-
-WindowOpenDisposition DispositionFromClick(bool middle_button,
-                                           bool alt_key,
-                                           bool ctrl_key,
-                                           bool meta_key,
-                                           bool shift_key) {
-  // MacOS uses meta key (Command key) to spawn new tabs.
-#if defined(OS_MACOSX)
-  if (middle_button || meta_key)
-#else
-  if (middle_button || ctrl_key)
-#endif
-    return shift_key ? NEW_FOREGROUND_TAB : NEW_BACKGROUND_TAB;
-  if (shift_key)
-    return NEW_WINDOW;
-  if (alt_key)
-    return SAVE_TO_DISK;
-  return CURRENT_TAB;
-}
-
-}