[Download] Add listener type checking
authorDeqing Huang <deqing.huang@intel.com>
Tue, 3 Dec 2013 10:47:12 +0000 (18:47 +0800)
committerDeqing Huang <deqing.huang@intel.com>
Fri, 6 Dec 2013 09:30:11 +0000 (17:30 +0800)
commita9d796d2ae85dbc1bff63844692d74fb798fbefb
tree22d3bc9efd298f3263add3a4e7ffc69e984c9aec
parent7bc58f81bc668dc464c56f523ca9f1f0a7b4eb49
[Download] Add listener type checking

Bug: https://crosswalk-project.org/jira/browse/XWALK-601
download/download_api.js