exo: Fix cursor scale when crossing displays

components/exo/wm_helper.h

Index: components/exo/wm_helper.h
diff --git a/components/exo/wm_helper.h b/components/exo/wm_helper.h
index 91445caec911b07d168347033fb58ecdfe70abb6..3e2bcafcde1f4838ee56103179fa1be827769ca3 100644
--- a/components/exo/wm_helper.h
+++ b/components/exo/wm_helper.h
@@ -8,6 +8,7 @@
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "ui/base/cursor/cursor.h"
+#include "ui/gfx/native_widget_types.h"
 
 namespace aura {
 class Window;
@@ -124,6 +125,7 @@ class WMHelper {
   virtual bool IsMaximizeModeWindowManagerEnabled() const = 0;
   virtual bool IsSpokenFeedbackEnabled() const = 0;
   virtual void PlayEarcon(int sound_key) const = 0;
+  virtual void SetCursor(gfx::NativeCursor cursor) = 0;
 
  protected:
   WMHelper();