Selection Action mode triggered like a context menu

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index fbf545b8694f14fe1d2685c176186ad42e87ae5d..1408de957bb124168e4acfd989dbe9b6e0bb8dea 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -4265,6 +4265,10 @@ void RenderFrameImpl::ShowContextMenu(const blink::WebContextMenuData& data) {
   params.selection_end = gfx::Point(end_rect.right(), end_rect.bottom());
 #endif
 
+  blink::WebRect selection_in_window(data.selection_rect);
+  GetRenderWidget()->ConvertViewportToWindow(&selection_in_window);
+  params.selection_rect = selection_in_window;
+
   Send(new FrameHostMsg_ContextMenu(routing_id_, params));
 }