Revert of Move TouchSelectionController from content to ui

ui/touch_selection/selection_event_type.h

Index: ui/touch_selection/selection_event_type.h
diff --git a/ui/touch_selection/selection_event_type.h b/ui/touch_selection/selection_event_type.h
deleted file mode 100644
index 9525362dab3c70095c85a1a2646a7937414eb547..0000000000000000000000000000000000000000
--- a/ui/touch_selection/selection_event_type.h
+++ /dev/null
@@ -1,29 +0,0 @@
-// 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 UI_TOUCH_SELECTION_SELECTION_EVENT_TYPE_
-#define UI_TOUCH_SELECTION_SELECTION_EVENT_TYPE_
-
-namespace ui {
-
-// This file contains a list of events relating to selection and insertion, used
-// for notifying Java when the renderer selection has changed.
-
-// A Java counterpart will be generated for this enum.
-// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.ui.touch_selection
-enum SelectionEventType {
-  SELECTION_SHOWN,
-  SELECTION_CLEARED,
-  SELECTION_DRAG_STARTED,
-  SELECTION_DRAG_STOPPED,
-  INSERTION_SHOWN,
-  INSERTION_MOVED,
-  INSERTION_TAPPED,
-  INSERTION_CLEARED,
-  INSERTION_DRAG_STARTED,
-};
-
-}  // namespace ui
-
-#endif  // UI_TOUCH_SELECTION_SELECTION_EVENT_TYPE_