Fix warning prompting on closing a window that will cancel downloads.

chrome/browser/ui/gtk/download/download_in_progress_dialog_gtk.cc

Index: chrome/browser/ui/gtk/download/download_in_progress_dialog_gtk.cc
diff --git a/chrome/browser/ui/gtk/download/download_in_progress_dialog_gtk.cc b/chrome/browser/ui/gtk/download/download_in_progress_dialog_gtk.cc
index 387a24286568f009253f2019f956c1b33668c562..eca0688d980dff51f87c3fec5ad53587dc3da279 100644
--- a/chrome/browser/ui/gtk/download/download_in_progress_dialog_gtk.cc
+++ b/chrome/browser/ui/gtk/download/download_in_progress_dialog_gtk.cc
@@ -19,8 +19,18 @@
 
 DownloadInProgressDialogGtk::DownloadInProgressDialogGtk(Browser* browser)
     : browser_(browser) {
-  int download_count = browser->profile()->GetDownloadManager()->
-      in_progress_count();
+  int download_count;
+  Browser::DownloadClosePreventionType type =
+      browser_->OkToCloseWithInProgressDownloads(&download_count);
+
+  // This dialog should have been created within the same thread invocation
+  // as the original test that lead to us, so it should always not be ok
+  // to close.
+  DCHECK(type != Browser::DOWNLOAD_CLOSE_OK);
+
+  // TODO(rdsmith): This dialog should be different depending on whether we're
+  // closing the last incognito window of a profile or doing browser shutdown.
+  // See http://crbug.com/88421.
 
   std::string warning_text;
   std::string explanation_text;