Add slice information to DownloadDestinationObserver::DestinationUpdate().

content/browser/download/download_item_impl.h

Index: content/browser/download/download_item_impl.h
diff --git a/content/browser/download/download_item_impl.h b/content/browser/download/download_item_impl.h
index 47a0b0b6f4fcca54e58ef085d1765eff0828a548..f5a1c3408320a116aa3f17b26be5feafce2036b8 100644
--- a/content/browser/download/download_item_impl.h
+++ b/content/browser/download/download_item_impl.h
@@ -222,7 +222,10 @@ class CONTENT_EXPORT DownloadItemImpl
   virtual void MarkAsComplete();
 
   // DownloadDestinationObserver
-  void DestinationUpdate(int64_t bytes_so_far, int64_t bytes_per_sec) override;
+  void DestinationUpdate(
+      int64_t bytes_so_far,
+      int64_t bytes_per_sec,
+      const std::vector<DownloadItem::ReceivedSlice>& received_slices) override;
   void DestinationError(
       DownloadInterruptReason reason,
       int64_t bytes_so_far,
@@ -452,7 +455,10 @@ class CONTENT_EXPORT DownloadItemImpl
                                  std::unique_ptr<crypto::SecureHash> hash_state,
                                  DownloadInterruptReason reason);
 
-  void UpdateProgress(int64_t bytes_so_far, int64_t bytes_per_sec);
+  void UpdateProgress(
+      int64_t bytes_so_far,
+      int64_t bytes_per_sec,
+      const std::vector<DownloadItem::ReceivedSlice>& received_slices);
 
   // Set |hash_| and |hash_state_| based on |hash_state|.
   void SetHashState(std::unique_ptr<crypto::SecureHash> hash_state);