Fix unwanted mouse move on pointer unlock. (GTK)

content/browser/renderer_host/render_widget_host_view_gtk.h

Index: content/browser/renderer_host/render_widget_host_view_gtk.h
diff --git a/content/browser/renderer_host/render_widget_host_view_gtk.h b/content/browser/renderer_host/render_widget_host_view_gtk.h
index b29a5c7c81cb902deee77d301c030210c9b7b880..4b5acf0f98ff0855000c60da645e88014b31ba5f 100644
--- a/content/browser/renderer_host/render_widget_host_view_gtk.h
+++ b/content/browser/renderer_host/render_widget_host_view_gtk.h
@@ -272,6 +272,9 @@ class CONTENT_EXPORT RenderWidgetHostViewGtk
   gfx::Point global_mouse_position_;
   // Indicates when mouse motion is valid after the widget has moved.
   bool mouse_has_been_warped_to_new_center_;
+  // Indicates the cursor has been warped to the unlocked position,
+  // but a move event has not yet been received for it there.
+  bool mouse_is_being_warped_to_unlocked_position_;
 
   // For full-screen windows we have a OnDestroy handler that we need to remove,
   // so we keep it ID here.