exo: Rotate cursor snapshot for rotated displays

components/exo/pointer.h

Index: components/exo/pointer.h
diff --git a/components/exo/pointer.h b/components/exo/pointer.h
index 1a1bca5a5c6cf64ac1e8f05c40054cb3766daedf..09b3517f3e0dd9177223e584daa4039817bd6c77 100644
--- a/components/exo/pointer.h
+++ b/components/exo/pointer.h
@@ -77,7 +77,7 @@ class Pointer : public ui::EventHandler,
   void CaptureCursor();
 
   // Called when cursor snapshot has been captured.
-  void OnCursorCaptured(const gfx::Point& hotspot,
+  void OnCursorCaptured(gfx::Point hotspot,
                         std::unique_ptr<cc::CopyOutputResult> result);
 
   void UpdateCursor(gfx::NativeCursor cursor);
@@ -103,6 +103,9 @@ class Pointer : public ui::EventHandler,
   // Device scale factor of the display where the mouse is located.
   float device_scale_factor_ = 1.0f;
 
+  // Rotation of the display where the mouse is located.
+  display::Display::Rotation rotation_ = display::Display::ROTATE_0;
+
   // The position of the pointer surface relative to the pointer location.
   gfx::Point hotspot_;