Track CTR of uncommon download warning.

content/public/test/download_test_observer.cc

Index: content/public/test/download_test_observer.cc
diff --git a/content/public/test/download_test_observer.cc b/content/public/test/download_test_observer.cc
index 9d05e2885d4c856c9a83a381b4d55b6ad52d560c..b5746f0c4b2d84361cde8c2d27b443056c74f40e 100644
--- a/content/public/test/download_test_observer.cc
+++ b/content/public/test/download_test_observer.cc
@@ -199,6 +199,19 @@ size_t DownloadTestObserver::NumDownloadsSeenInState(
   return it->second;
 }
 
+DownloadManager* DownloadTestObserver::download_manager() {
+  return download_manager_;
+}
+
+DownloadTestObserver::DangerousDownloadAction
+DownloadTestObserver::dangerous_download_action() {
+  return dangerous_download_action_;
+}
+
+std::set<uint32_t>& DownloadTestObserver::dangerous_downloads_seen() {
+  return dangerous_downloads_seen_;
+}
+
 void DownloadTestObserver::DownloadInFinalState(DownloadItem* download) {
   if (finished_downloads_.find(download) != finished_downloads_.end()) {
     // We've already seen the final state on this download.
@@ -225,7 +238,7 @@ void DownloadTestObserver::AcceptDangerousDownload(uint32_t download_id) {
   if (!download_manager_)
     return;
   DownloadItem* download = download_manager_->GetDownload(download_id);
-  if (download && !download->IsDone())
+  if (download && download->IsDangerous() && !download->IsDone())
     download->ValidateDangerousDownload();
 }