[Downloads UI] Fix selection toggle for updated items

chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java

Index: chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java b/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java
index e055b7d5e32e39a451edb479bfb80e1e9c79780e..52f4a758010c22749eb85b87f278d996da2e1fda 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java
@@ -206,6 +206,12 @@ public class DownloadHistoryAdapter extends DateDividedAdapter implements Downlo
             list.add(wrapper);
             mFilePathsToItemsMap.addItem(wrapper);
         } else {
+            DownloadItemWrapper previousWrapper = list.get(index);
+            // If the previous item was selected, the updated item should be selected as well.
+            if (getSelectionDelegate().isItemSelected(previousWrapper)) {
+                getSelectionDelegate().toggleSelectionForItem(previousWrapper);
+                getSelectionDelegate().toggleSelectionForItem(wrapper);
+            }
             // Update the old one.
             list.set(index, wrapper);
             mFilePathsToItemsMap.replaceItem(wrapper);