exo: Rotate cursor snapshot for rotated displays

ui/display/display.h

 // Copyright (c) 2012 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_DISPLAY_DISPLAY_H_
 #define UI_DISPLAY_DISPLAY_H_
 
 #include <stdint.h>
 
 #include "base/compiler_specific.h"
@@ skipping 143 matching lines @@
   // Gets/Sets an id of display corresponding to internal panel.
   static int64_t InternalDisplayId();
   static void SetInternalDisplayId(int64_t internal_display_id);
 
   // Test if the |id| is for the internal display if any.
   static bool IsInternalDisplayId(int64_t id);
 
   // True if there is an internal display.
   static bool HasInternalDisplay();
 
+  static int RotateToDegree(Rotation rotation);
+
   // Maximum cursor size in native pixels.
   const gfx::Size& maximum_cursor_size() const { return maximum_cursor_size_; }
   void set_maximum_cursor_size(const gfx::Size& size) {
     maximum_cursor_size_ = size;
   }
 
   // The full ICC profile of the display.
   gfx::ICCProfile icc_profile() const { return icc_profile_; }
   void set_icc_profile(const gfx::ICCProfile& icc_profile) {
     icc_profile_ = icc_profile;
@@ skipping 34 matching lines @@
   gfx::Size maximum_cursor_size_;
   gfx::ICCProfile icc_profile_;
   int color_depth_;
   int depth_per_component_;
   bool is_monochrome_ = false;
 };
 
 }  // namespace display
 
 #endif  // UI_DISPLAY_DISPLAY_H_