Always mark content downloaded by devtools delegate as potentially dangerous

Bug: 805445
Change-Id: I7051f519205e178db57e23320ab979f8fa9ce38b
Reviewed-on: https://chromium-review.googlesource.com/894782
Commit-Queue: David Vallet <dvallet@chromium.org>
Reviewed-by: Pavel Feldman <pfeldman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#533215}

content/browser/devtools/protocol/devtools_download_manager_delegate.cc

@@ -177,7 +177,7 @@ void DevToolsDownloadManagerDelegate::OnDownloadPathGenerated(
 
   callback.Run(suggested_path,
                content::DownloadItem::TARGET_DISPOSITION_OVERWRITE,
-               download::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS,
+               download::DOWNLOAD_DANGER_TYPE_MAYBE_DANGEROUS_CONTENT,
                suggested_path.AddExtension(FILE_PATH_LITERAL(".crdownload")),
                content::DOWNLOAD_INTERRUPT_REASON_NONE);
 }