Fix an issue that download fails for non-http(s) protocols

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.download;
 
 import android.app.DownloadManager;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.database.Cursor;
@@ skipping 81 matching lines @@
                 (DownloadManager) mContext.getSystemService(Context.DOWNLOAD_SERVICE);
         NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mContext);
         boolean useSystemNotification = !notificationManager.areNotificationsEnabled();
         long downloadId = -1;
         if (Build.VERSION.SDK_INT > Build.VERSION_CODES.M) {
             Class<?> c = manager.getClass();
             try {
                 Class[] args = {String.class, String.class, boolean.class, String.class,
                         String.class, long.class, boolean.class, Uri.class, Uri.class};
                 Method method = c.getMethod("addCompletedDownload", args);
                 // OriginalUri has to be null or non-empty, and cannot be file scheme.

[David Trainor- moved to gerrit, 2017/05/14 05:55:14]

Update the comment too

[qinmin, 2017/05/15 17:59:18]

Done.

                 Uri originalUri = TextUtils.isEmpty(originalUrl) ? null : Uri.parse(originalUrl);
-                if (originalUri != null && UrlConstants.FILE_SCHEME.equals(
-                        originalUri.normalizeScheme().getScheme())) {
-                    originalUri = null;
+                if (originalUri != null) {
+                    String scheme = originalUri.normalizeScheme().getScheme();
+                    if (scheme == null || (!scheme.equals(UrlConstants.HTTPS_SCHEME)
+                            && !scheme.equals(UrlConstants.HTTP_SCHEME))) {
+                        originalUri = null;
+                    }
                 }
                 Uri refererUri = TextUtils.isEmpty(referer) ? null : Uri.parse(referer);
                 downloadId = (Long) method.invoke(manager, fileName, description, true, mimeType,
                         path, length, useSystemNotification, originalUri, refererUri);
             } catch (SecurityException e) {
                 Log.e(TAG, "Cannot access the needed method.");
             } catch (NoSuchMethodException e) {
                 Log.e(TAG, "Cannot find the needed method.");
             } catch (InvocationTargetException e) {
                 Log.e(TAG, "Error calling the needed method.");
@@ skipping 281 matching lines @@
         }
 
         @Override
         protected void onPostExecute(Boolean result) {
             mDownloadItem.setStartTime(mStartTime);
             mCallback.onDownloadEnqueued(result, mFailureReason, mDownloadItem, mDownloadId);
             mDownloadItem.setSystemDownloadId(mDownloadId);
         }
     }
 }