Fix the compile error caused by the change of onReceivedSslError.

The parameters of XWalkClient.onReceivedSslError are changed due to
a new fix. Change it as well here to pass the compilation.

BUG=https://crosswalk-project.org/jira/browse/XWALK-1287
Merge pull request #101 from yongsheng/xwalk

Fix the compile error caused by the change of onReceivedSslError.