Fix a bug that downloaded file is added twice to Android DownloadManager

chrome/android/java/src/org/chromium/chrome/browser/download/DownloadManagerDelegate.java

Index: chrome/android/java/src/org/chromium/chrome/browser/download/DownloadManagerDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadManagerDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadManagerDelegate.java
index d7e274e3d01eff3411d46bfbb9e337fee13bfb87..b2b947e7297c15a2bdf0a14933bf66df6612291b 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadManagerDelegate.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadManagerDelegate.java
@@ -101,9 +101,10 @@ public class DownloadManagerDelegate {
             } catch (IllegalAccessException e) {
                 Log.e(TAG, "Error accessing the needed method.");
             }
+        } else {
+            downloadId = manager.addCompletedDownload(fileName, description, true, mimeType, path,
+                    length, useSystemNotification);
         }
-        downloadId = manager.addCompletedDownload(fileName, description, true, mimeType, path,
-                length, useSystemNotification);
         addDownloadIdMapping(downloadId, downloadGuid);
         return downloadId;
     }