set content length limit if half open range request fails

content/browser/download/download_job.h

Index: content/browser/download/download_job.h
diff --git a/content/browser/download/download_job.h b/content/browser/download/download_job.h
index 25635309c94a5bd4eb9ccc3387dafcba0270ebd0..e5304906dd6f0a327db73c3e6a119c3f99c080cd 100644
--- a/content/browser/download/download_job.h
+++ b/content/browser/download/download_job.h
@@ -53,6 +53,9 @@ class CONTENT_EXPORT DownloadJob {
                      int64_t offset,
                      int64_t length);
 
+  // Sets the limit on the content length.
+  void SetContentLengthLimit(int64_t limit);
+
   DownloadItemImpl* download_item_;
 
  private: