Example URL:
https://m.baidu.com/from=844b/ssid=0/uid=0/bd_page_type=1/pu=usm%404%2Csz%40320_1001%2Cta%40iphone_2_8.1_3_537/baiduid=308BD31BD7966B48C839644AEBE059A9/w=0_10_/t=iphone/l=1/tc?ref=www_iphone&lid=8038648812629931874&order=1&fm=alas_23&tj=app_rich_1_0_10_b1&wd=&eqid=6f8f048126ec3800100000005b63cb01&w_qd=IlPT2AEptyoA_ykzqfUoyfyw2y-Pf8y&tcplug=1&src=http%3A%2F%2Fmobile.baidu.com%2Fapp%3Faction%3Ddownload%26downtype%3Dnormal%26url%3Dhttp%3A%2F%2Fgdown.baidu.com%2Fdata%2Fwisegame%2F54449d1d34f74026%2Fdouyuzhibo_10461001.apk%26ala%3Dwise_app%40onlyanswer%40斗鱼下载%26pid%3D1199997%26docid%3D24462853%26tj%3Dsoft_24462853_1199997_斗鱼直播

Steps to reproduce the problem:

1. Launch chrome
2. Try to download and apk file (url as follow)
3. Observed that download prompt button is seen.

What is the expected behavior?
It should show download button

What went wrong?
Chrome download button disappear

Did this work before? N/A 

Chrome version: 66.0.3359.126  Channel: n/a
OS Version: TP707（R2598）
Flash Version: