Propagate server response error and interrupt the download.

content/browser/download/download_job.cc

Index: content/browser/download/download_job.cc
diff --git a/content/browser/download/download_job.cc b/content/browser/download/download_job.cc
index 4da7eb429ae6eca4a6b880e8924dbe5f79e7a054..1e73c8683cb3e9879d344e6ed79c4ca8ca7b9a87 100644
--- a/content/browser/download/download_job.cc
+++ b/content/browser/download/download_job.cc
@@ -25,4 +25,8 @@ void DownloadJob::StartDownload() const {
   download_item_->StartDownload();
 }
 
+void DownloadJob::Interrupt(DownloadInterruptReason reason) {
+  download_item_->InterruptAndDiscardPartialState(reason);
+}
+
 }  // namespace content