Index: chrome/browser/ui/browser_tab_strip_model_delegate.cc |
diff --git a/chrome/browser/ui/browser_tab_strip_model_delegate.cc b/chrome/browser/ui/browser_tab_strip_model_delegate.cc |
index 8788e4a8b3584c0ce337a3963667143a20de6f0a..0b2cb4307859ba8deee6d5089340588bee9dcb84 100644 |
--- a/chrome/browser/ui/browser_tab_strip_model_delegate.cc |
+++ b/chrome/browser/ui/browser_tab_strip_model_delegate.cc |
@@ -86,7 +86,7 @@ Browser* BrowserTabStripModelDelegate::CreateNewStripWithContents( |
void BrowserTabStripModelDelegate::WillAddWebContents( |
content::WebContents* contents) { |
- TabHelpers::AttachTabHelpers(contents); |
+ TabHelpers::AttachTabHelpers(contents, base::nullopt); |
// Make the tab show up in the task manager. |
task_manager::WebContentsTags::CreateForTabContents(contents); |