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

ui/views/widget/desktop_aura/x11_move_loop.h

Index: ui/views/widget/desktop_aura/x11_move_loop.h
diff --git a/ui/views/widget/desktop_aura/x11_move_loop.h b/ui/views/widget/desktop_aura/x11_move_loop.h
index 102c8663efe1ec146b019b06069bd2e5d773022f..c6cf855462c8e70525c520f34fa490eafa6ef36e 100644
--- a/ui/views/widget/desktop_aura/x11_move_loop.h
+++ b/ui/views/widget/desktop_aura/x11_move_loop.h
@@ -16,11 +16,10 @@ class X11MoveLoop {
  public:
   virtual ~X11MoveLoop() {}
 
-  // Runs the nested message loop. While the mouse is grabbed, use |cursor| as
-  // the mouse cursor. Returns true if the move-loop is completed successfully.
-  // If the pointer-grab fails, or the move-loop is canceled by the user (e.g.
-  // by pressing escape), then returns false.
-  virtual bool RunMoveLoop(aura::Window* window, gfx::NativeCursor cursor) = 0;
+  // Runs the nested message loop. Returns true if the move-loop is completed
+  // successfully. If the pointer-grab fails, or the move-loop is canceled by
+  // the user (e.g. by pressing escape), then returns false.
+  virtual bool RunMoveLoop(aura::Window* window) = 0;
 
   // Updates the cursor while the move loop is running.
   virtual void UpdateCursor(gfx::NativeCursor cursor) = 0;