Fix a bug where we tried to get the position of the tabstrip

chrome/browser/gtk/tabs/tab_strip_gtk.cc

Index: chrome/browser/gtk/tabs/tab_strip_gtk.cc
diff --git a/chrome/browser/gtk/tabs/tab_strip_gtk.cc b/chrome/browser/gtk/tabs/tab_strip_gtk.cc
index 3af798a48de70685561fb6714222361baa88db2f..20d5c38f17f8d2782d217cd43c8215a8a3f6ad68 100644
--- a/chrome/browser/gtk/tabs/tab_strip_gtk.cc
+++ b/chrome/browser/gtk/tabs/tab_strip_gtk.cc
@@ -850,8 +850,10 @@ gfx::Point TabStripGtk::GetTabStripOriginForWidget(GtkWidget* target) {
       -widget()->allocation.x, 0, &x, &y)) {
     // If the tab strip isn't showing, give the coordinates relative to the
     // toplevel instead.
-    gtk_widget_translate_coordinates(
-        gtk_widget_get_toplevel(widget()), target, 0, 0, &x, &y);
+    if (!gtk_widget_translate_coordinates(
+        gtk_widget_get_toplevel(widget()), target, 0, 0, &x, &y)) {
+      NOTREACHED();
+    }
   }
   if (GTK_WIDGET_NO_WINDOW(target)) {
     x += target->allocation.x;