Use XGrabPointer instead of XChangeActivatePointerGrab() to change the cursor during a pointer grab

ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h

Index: ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h
diff --git a/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h b/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h
index 742d5f45169c4af7a384fefc8e43705d83071dc2..339fa653db305012ed61bfabba321e9dfe41000b 100644
--- a/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h
+++ b/ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h
@@ -43,14 +43,13 @@ class X11WholeScreenMoveLoop : public X11MoveLoop,
   uint32_t DispatchEvent(const ui::PlatformEvent& event) override;
 
   // X11MoveLoop:
-  bool RunMoveLoop(aura::Window* window, gfx::NativeCursor cursor) override;
+  bool RunMoveLoop(aura::Window* window) override;
   void UpdateCursor(gfx::NativeCursor cursor) override;
   void EndMoveLoop() override;
 
  private:
-  // Grabs the pointer, setting the mouse cursor to |cursor|. Returns true if
-  // successful.
-  bool GrabPointer(gfx::NativeCursor cursor);
+  // Grabs the pointer on |grab_input_window_|. Returns true if successful.
+  bool GrabPointer();
 
   void GrabEscKey();
 
@@ -66,10 +65,6 @@ class X11WholeScreenMoveLoop : public X11MoveLoop,
   bool in_move_loop_;
   scoped_ptr<ui::ScopedEventDispatcher> nested_dispatcher_;
 
-  // Cursor in use prior to the move loop starting. Restored when the move loop
-  // quits.
-  gfx::NativeCursor initial_cursor_;
-
   bool should_reset_mouse_flags_;
 
   // An invisible InputOnly window. Keyboard grab and sometimes mouse grab