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

ui/base/window_open_disposition.h

 // 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.
 
 #ifndef UI_BASE_WINDOW_OPEN_DISPOSITION_H_
 #define UI_BASE_WINDOW_OPEN_DISPOSITION_H_
 
+#include "ui/base/ui_export.h"
+
 enum WindowOpenDisposition {
   UNKNOWN,
   SUPPRESS_OPEN,
   CURRENT_TAB,
   // Indicates that only one tab with the url should exist in the same window.
   SINGLETON_TAB,
   NEW_FOREGROUND_TAB,
   NEW_BACKGROUND_TAB,
   NEW_POPUP,
   NEW_WINDOW,
   SAVE_TO_DISK,
   OFF_THE_RECORD,
   IGNORE_ACTION
 };
 
+namespace ui {
+
+// Translates event flags from a click on a link into the user's desired
+// window disposition.  For example, a middle click would mean to open
+// a background tab.
+UI_EXPORT WindowOpenDisposition DispositionFromClick(bool middle_button,
+                                                     bool alt_key,
+                                                     bool ctrl_key,
+                                                     bool meta_key,
+                                                     bool shift_key);
+
+// Translates event flags into what kind of disposition they represents.
+// For example, a middle click would mean to open a background tab.
+// event_flags are the flags as understood by ui::MouseEvent.
+UI_EXPORT WindowOpenDisposition DispositionFromEventFlags(int event_flags);
+
+}  // namespace ui
+
 #endif  // UI_BASE_WINDOW_OPEN_DISPOSITION_H_