Support for Adaptive Handle Orientation

ui/touch_selection/touch_handle_orientation.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 UI_TOUCH_SELECTION_TOUCH_HANDLE_ORIENTATION_
 #define UI_TOUCH_SELECTION_TOUCH_HANDLE_ORIENTATION_
 
 namespace ui {
 
 // Orientation types for Touch handles, used for setting the type of
 // handle orientation on java and native side.
 
 // A Java counterpart will be generated for this enum.
 // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.ui.touch_selection
 enum class TouchHandleOrientation {
   LEFT,
   CENTER,
   RIGHT,
+  LEFT_INVERTED,
+  LEFT_FLIPPED,
+  LEFT_FLIPPED_INVERTED,
+  RIGHT_INVERTED,
+  RIGHT_FLIPPED,
+  RIGHT_FLIPPED_INVERTED,
+  CENTER_INVERTED,
   UNDEFINED,
 };
 
 }  // namespace ui
 
 #endif  // UI_TOUCH_SELECTION_TOUCH_HANDLE_ORIENTATION_