Warn users about potentially unwanted downloads.

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 124b278084b02757b18d296904bb554ce45957ae..72245e1d558de5a35ad28e25569f0ef465efbe7d 100644
--- a/chrome/browser/ui/webui/downloads_dom_handler.cc
+++ b/chrome/browser/ui/webui/downloads_dom_handler.cc
@@ -99,6 +99,8 @@ const char* GetDangerTypeString(content::DownloadDangerType danger_type) {
       return "UNCOMMON_CONTENT";
     case content::DOWNLOAD_DANGER_TYPE_DANGEROUS_HOST:
       return "DANGEROUS_HOST";
+    case content::DOWNLOAD_DANGER_TYPE_POTENTIALLY_UNWANTED:
+      return "POTENTIALLY_UNWANTED";
     default:
       // Don't return a danger type string if it is NOT_DANGEROUS or
       // MAYBE_DANGEROUS_CONTENT.
@@ -161,7 +163,9 @@ DictionaryValue* CreateDownloadItemValue(
                download_item->GetDangerType() ==
                    content::DOWNLOAD_DANGER_TYPE_UNCOMMON_CONTENT ||
                download_item->GetDangerType() ==
-                   content::DOWNLOAD_DANGER_TYPE_DANGEROUS_HOST);
+                   content::DOWNLOAD_DANGER_TYPE_DANGEROUS_HOST ||
+               download_item->GetDangerType() ==
+                   content::DOWNLOAD_DANGER_TYPE_POTENTIALLY_UNWANTED);
         const char* danger_type_value =
             GetDangerTypeString(download_item->GetDangerType());
         file_value->SetString("danger_type", danger_type_value);