Record type of content being downloaded.

chrome/browser/renderer_host/download_resource_handler.cc

Index: chrome/browser/renderer_host/download_resource_handler.cc
diff --git a/chrome/browser/renderer_host/download_resource_handler.cc b/chrome/browser/renderer_host/download_resource_handler.cc
index f35d5e4166ce7a127ce62a813137ecc2081b24e6..289d150f86ffb13bc1abee9ddf244fc4b25c4067 100644
--- a/chrome/browser/renderer_host/download_resource_handler.cc
+++ b/chrome/browser/renderer_host/download_resource_handler.cc
@@ -95,6 +95,7 @@ bool DownloadResourceHandler::OnResponseStarted(int request_id,
                                                global_id_.request_id);
   info->content_disposition = content_disposition_;
   info->mime_type = response->response_head.mime_type;
+  download_util::RecordDownloadMimeType(info->mime_type);
   // TODO(ahendrickson) -- Get the last modified time and etag, so we can
   // resume downloading.