Not opening File Manager as an app on Ctrl+O.

chrome/browser/ui/ash/chrome_shell_delegate.cc

Index: chrome/browser/ui/ash/chrome_shell_delegate.cc
diff --git a/chrome/browser/ui/ash/chrome_shell_delegate.cc b/chrome/browser/ui/ash/chrome_shell_delegate.cc
index c411a88ef60d2b6dda00b8f40535cb2fee6e0e1c..7f3b11f848cee9d2b91e0e863318cc81fc6f7df9 100644
--- a/chrome/browser/ui/ash/chrome_shell_delegate.cc
+++ b/chrome/browser/ui/ash/chrome_shell_delegate.cc
@@ -202,13 +202,14 @@ void ChromeShellDelegate::OpenFileManager(bool as_dialog) {
     Browser* browser =
         browser::FindBrowserWithWindow(ash::wm::GetActiveWindow());
     // Open the select file dialog only if there is an active browser where the
-    // selected file is displayed. Otherwise open a file manager in a tab.
+    // selected file is displayed.
     if (browser) {
       browser->OpenFile();
       return;
     }
+  } else {
+    file_manager_util::OpenApplication();
   }
-  file_manager_util::OpenApplication();
 #endif
 }