Add new danger type for uncommon or unknown downloads.

chrome/browser/download/download_item_model.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/download/download_item_model.h"
 
 #include "base/i18n/number_formatting.h"
 #include "base/i18n/rtl.h"
 #include "base/string16.h"
 #include "base/sys_string_conversions.h"
@@ skipping 120 matching lines @@
             ui::ElideFilename(download_->GetFileNameToReportUser(),
                               font, base_width));
       }
 
     case content::DOWNLOAD_DANGER_TYPE_DANGEROUS_CONTENT:
       return l10n_util::GetStringFUTF16(
           IDS_PROMPT_MALICIOUS_DOWNLOAD_CONTENT,
           ui::ElideFilename(download_->GetFileNameToReportUser(),
                             font, base_width));
 
+    case content::DOWNLOAD_DANGER_TYPE_UNCOMMON_CONTENT:
+      return l10n_util::GetStringFUTF16(
+          IDS_PROMPT_UNCOMMON_DOWNLOAD_CONTENT,
+          ui::ElideFilename(download_->GetFileNameToReportUser(),
+                            font, base_width));
+
     case content::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS:
     case content::DOWNLOAD_DANGER_TYPE_MAYBE_DANGEROUS_CONTENT:
     case content::DOWNLOAD_DANGER_TYPE_MAX:
       NOTREACHED();
   }
   return string16();
 }
 
 string16 DownloadItemModel::GetWarningConfirmButtonText() {
   // Should only be called if IsDangerous()
   DCHECK(IsDangerous());
   if (download_->GetDangerType() ==
           content::DOWNLOAD_DANGER_TYPE_DANGEROUS_FILE &&
       ChromeDownloadManagerDelegate::IsExtensionDownload(download_)) {
     return l10n_util::GetStringUTF16(IDS_CONTINUE_EXTENSION_DOWNLOAD);
   } else {
     return l10n_util::GetStringUTF16(IDS_CONFIRM_DOWNLOAD);
   }
 }
 
 bool DownloadItemModel::IsMalicious() {
   if (!IsDangerous())
     return false;
   switch (download_->GetDangerType()) {
     case content::DOWNLOAD_DANGER_TYPE_DANGEROUS_URL:
     case content::DOWNLOAD_DANGER_TYPE_DANGEROUS_CONTENT:
+    case content::DOWNLOAD_DANGER_TYPE_UNCOMMON_CONTENT:
       return true;
 
     case content::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS:
     case content::DOWNLOAD_DANGER_TYPE_MAYBE_DANGEROUS_CONTENT:
     case content::DOWNLOAD_DANGER_TYPE_MAX:
       // We shouldn't get any of these due to the IsDangerous() test above.
       NOTREACHED();
       // Fallthrough.
     case content::DOWNLOAD_DANGER_TYPE_DANGEROUS_FILE:
       return false;
   }
   NOTREACHED();
   return false;
 }
 
 bool DownloadItemModel::IsDangerous() {
   return download_->GetSafetyState() == DownloadItem::DANGEROUS;
 }