Improve the UI for disabling off-store extension install.

chrome/browser/ui/webui/downloads_dom_handler.cc

Index: chrome/browser/ui/webui/downloads_dom_handler.cc
diff --git a/chrome/browser/ui/webui/downloads_dom_handler.cc b/chrome/browser/ui/webui/downloads_dom_handler.cc
index 1958a78530dff1e0c60073739bc9c82bc41d6584..8d0450350e4df762ee582cfca69aa463a9f71d8d 100644
--- a/chrome/browser/ui/webui/downloads_dom_handler.cc
+++ b/chrome/browser/ui/webui/downloads_dom_handler.cc
@@ -17,7 +17,7 @@
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/download/chrome_download_manager_delegate.h"
+#include "chrome/browser/download/download_crx_util.h"
 #include "chrome/browser/download/download_danger_prompt.h"
 #include "chrome/browser/download/download_history.h"
 #include "chrome/browser/download/download_prefs.h"
@@ -213,7 +213,7 @@ void DownloadsDOMHandler::ModelChanged(content::DownloadManager* manager) {
 
   // Remove any extension downloads.
   for (size_t i = 0; i < download_items_.size();) {
-    if (ChromeDownloadManagerDelegate::IsExtensionDownload(download_items_[i]))
+    if (download_crx_util::IsExtensionDownload(*download_items_[i]))
       download_items_.erase(download_items_.begin() + i);
     else
       i++;