Parallel download browser test.

content/public/test/test_download_request_handler.h

Index: content/public/test/test_download_request_handler.h
diff --git a/content/public/test/test_download_request_handler.h b/content/public/test/test_download_request_handler.h
index 4daff5c4548e9c7f9206e53b842e15ddb22ed6d0..629d8d6172b0e906d97785f9c33ce5f22548417b 100644
--- a/content/public/test/test_download_request_handler.h
+++ b/content/public/test/test_download_request_handler.h
@@ -147,6 +147,9 @@ class TestDownloadRequestHandler : public base::NonThreadSafe {
     // If true, the response contains a 'Accept-Ranges: bytes' header.
     bool support_byte_ranges;
 
+    // The connection type in the response.
+    net::HttpResponseInfo::ConnectionInfo connection_type;
+
     // If on_start_handler is valid, it will be invoked when a new request is
     // received. See details about the OnStartHandler above.
     OnStartHandler on_start_handler;