Index: chrome/browser/ui/views/tabs/tab_drag_controller2.cc |
diff --git a/chrome/browser/ui/views/tabs/tab_drag_controller2.cc b/chrome/browser/ui/views/tabs/tab_drag_controller2.cc |
index 80a41562ae777683d6b77a350644e7d496ff21a0..1671f40f8714e9d58157fa90202883e2e508edb4 100644 |
--- a/chrome/browser/ui/views/tabs/tab_drag_controller2.cc |
+++ b/chrome/browser/ui/views/tabs/tab_drag_controller2.cc |
@@ -981,6 +981,7 @@ void TabDragController2::DetachIntoNewBrowserAndRunMoveLoop( |
void TabDragController2::RunMoveLoop() { |
move_loop_browser_view_ = GetAttachedBrowserView(); |
+ DCHECK(move_loop_browser_view_); |
move_loop_browser_view_->set_move_observer(this); |
is_dragging_window_ = true; |
bool destroyed = false; |