Modifying the "dangerous download" algorithm.

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 b6f2e7dd254ac9a6085109dc6dfd3bdd9960c110..ece0245697c46e48b1b3df75288b50675d67bfa5 100644
--- a/chrome/browser/renderer_host/download_resource_handler.cc
+++ b/chrome/browser/renderer_host/download_resource_handler.cc
@@ -11,6 +11,7 @@
 #include "chrome/browser/history/download_create_info.h"
 #include "chrome/browser/renderer_host/global_request_id.h"
 #include "chrome/browser/renderer_host/resource_dispatcher_host.h"
+#include "chrome/browser/renderer_host/resource_dispatcher_host_request_info.h"
 #include "chrome/common/resource_response.h"
 #include "net/base/io_buffer.h"
 #include "net/http/http_response_headers.h"
@@ -64,6 +65,9 @@ bool DownloadResourceHandler::OnResponseStarted(int request_id,
   set_content_disposition(content_disposition);
   set_content_length(response->response_head.content_length);
 
+  const ResourceDispatcherHostRequestInfo* request_info =
+    ResourceDispatcherHost::InfoForRequest(request_);
+
   download_id_ = download_file_manager_->GetNextId();
   // |download_file_manager_| consumes (deletes):
   DownloadCreateInfo* info = new DownloadCreateInfo;
@@ -74,6 +78,7 @@ bool DownloadResourceHandler::OnResponseStarted(int request_id,
   info->total_bytes = content_length_;
   info->state = DownloadItem::IN_PROGRESS;
   info->download_id = download_id_;
+  info->has_user_gesture = request_info->has_user_gesture();
   info->child_id = global_id_.child_id;
   info->render_view_id = render_view_id_;
   info->request_id = global_id_.request_id;