Propagate server response error and interrupt the download.

content/browser/download/parallel_download_job.cc

Index: content/browser/download/parallel_download_job.cc
diff --git a/content/browser/download/parallel_download_job.cc b/content/browser/download/parallel_download_job.cc
index 0a2d6c95d98b7d9e8f82c7e6709e0ed25d6b4c4e..1a8b93059b30f1c12f7d4801becd6a38bda5c651 100644
--- a/content/browser/download/parallel_download_job.cc
+++ b/content/browser/download/parallel_download_job.cc
@@ -89,6 +89,15 @@ void ParallelDownloadJob::OnByteStreamReady(
                              worker->length());
 }
 
+void ParallelDownloadJob::OnServerResponseError(
+    DownloadWorker* worker,
+    DownloadInterruptReason reason) {
+  // TODO(xingliu): Consider to let the original request to cover the full
+  // content if the sub-requests get invalid response. Consider retry on certain
+  // error.
+  DownloadJob::Interrupt(reason);
+}
+
 void ParallelDownloadJob::BuildParallelRequests() {
   DCHECK(!requests_sent_);
   // TODO(qinmin): The size of |slices_to_download| should be no larger than