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 400a3fde9aa58c8f14f2e872d4fce1dc100c35bd..1ed38b82fa8d83d02b5910ad2399e4b8780b35e6 100644
--- a/content/browser/download/download_job.cc
+++ b/content/browser/download/download_job.cc
@@ -28,6 +28,11 @@ void DownloadJob::StartDownload() const {
   download_item_->StartDownload();
 }
 
+void DownloadJob::Interrupt(DownloadInterruptReason reason) {
+  download_item_->InterruptAndDiscardPartialState(reason);
+  download_item_->UpdateObservers();
+}
+
 void DownloadJob::AddByteStream(std::unique_ptr<ByteStreamReader> stream_reader,
                                 int64_t offset,
                                 int64_t length) {