Initial CL for Downloads resumption.

content/browser/loader/buffered_resource_handler.cc

Index: content/browser/loader/buffered_resource_handler.cc
diff --git a/content/browser/loader/buffered_resource_handler.cc b/content/browser/loader/buffered_resource_handler.cc
index 44d7b226e23bc19d0b874581ea786bf201ab80d8..789020c2459a9177a871b211aa52fecad3f85078 100644
--- a/content/browser/loader/buffered_resource_handler.cc
+++ b/content/browser/loader/buffered_resource_handler.cc
@@ -18,6 +18,7 @@
 #include "content/browser/plugin_service_impl.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
+#include "content/public/browser/download_id.h"
 #include "content/public/browser/download_save_info.h"
 #include "content/public/browser/resource_context.h"
 #include "content/public/browser/resource_dispatcher_host_delegate.h"
@@ -341,6 +342,7 @@ bool BufferedResourceHandler::SelectNextHandler(bool* defer) {
           request_,
           true,  // is_content_initiated
           must_download,
+          DownloadId(),
           scoped_ptr<DownloadSaveInfo>(new DownloadSaveInfo()),
           DownloadResourceHandler::OnStartedCallback()));
   return UseAlternateNextHandler(handler.Pass());