fix a problem that download dangerous files in a blank page can fail with authentication

content/public/android/java/src/org/chromium/content/browser/ContentViewDownloadDelegate.java

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewDownloadDelegate.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewDownloadDelegate.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewDownloadDelegate.java
index 46c3e97fb853e709b27928aa500fd6b9166eafa0..ef2b908057afa99317c6cf79f201bb6baa983d20 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewDownloadDelegate.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewDownloadDelegate.java
@@ -25,19 +25,10 @@ public interface ContentViewDownloadDelegate {
 
     /**
      * Notify the host application that a download is started.
+     * @param filename File name of the downloaded file.
+     * @param mimeType Mime of the downloaded item.
      */
-    void onDownloadStarted();
-
-    /**
-     * Notify the host application that a download is finished.
-     * @param url The full url to the content that was downloaded.
-     * @param mimetype The mimetype of downloaded file.
-     * @param path Path of the downloaded file.
-     * @param contentLength The file size of the downloaded file (in bytes).
-     * @param successful Whether the download succeeded
-     */
-    void onDownloadCompleted(String url, String mimetype, String path,
-            long contentLength, boolean successful);
+    void onDownloadStarted(String filename, String mimeType);
 
     /**
      * Notify the host application that a download has an extension indicating