Make cancel remove cancelled download from active queues at time of cancel.

chrome/browser/ui/webui/chromeos/imageburner/imageburner_ui.cc

Index: chrome/browser/ui/webui/chromeos/imageburner/imageburner_ui.cc
diff --git a/chrome/browser/ui/webui/chromeos/imageburner/imageburner_ui.cc b/chrome/browser/ui/webui/chromeos/imageburner/imageburner_ui.cc
index 9e543989cb8ed93442158006e597d2910bf1f024..1130256220fc877c064ef8bb66769e2cd5256db0 100644
--- a/chrome/browser/ui/webui/chromeos/imageburner/imageburner_ui.cc
+++ b/chrome/browser/ui/webui/chromeos/imageburner/imageburner_ui.cc
@@ -509,7 +509,7 @@ void WebUIHandler::ProcessError(int message_id) {
       // We don't want to process Download Cancelled signal.
       active_download_item_->RemoveObserver(this);
       if (active_download_item_->IsPartialDownload())
-        active_download_item_->Cancel(true);
+        active_download_item_->Cancel();
       active_download_item_->Delete(DownloadItem::DELETE_DUE_TO_USER_DISCARD);
       active_download_item_ = NULL;
       CleanupDownloadObjects();