Update the received slices vector when stream is written to disk

content/browser/download/parallel_download_utils.h

Index: content/browser/download/parallel_download_utils.h
diff --git a/content/browser/download/parallel_download_utils.h b/content/browser/download/parallel_download_utils.h
index 62d732ef92e05ac17b421658a6c3355e8329266c..255959de9af07058d20e75fb9c63286c69993874 100644
--- a/content/browser/download/parallel_download_utils.h
+++ b/content/browser/download/parallel_download_utils.h
@@ -18,6 +18,12 @@ namespace content {
 CONTENT_EXPORT DownloadItem::ReceivedSlice FindNextSliceToDownload(
     const std::vector<DownloadItem::ReceivedSlice>& received_slices);
 
+// Adds a new received slice to a vector of sorted slices, and keep it sorted.
+// Returns the index of the newly inserted slice.
+CONTENT_EXPORT int AddReceivedSliceToSortedArray(
+    const DownloadItem::ReceivedSlice& new_slice,
+    std::vector<DownloadItem::ReceivedSlice>& received_slices);
+
 }  //  namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_PARALLEL_DOWNLOAD_UTILS_H_