UserAgent: Mozilla/5.0 (X11; CrOS armv7l 7077.134.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.156 Safari/537.36
Platform: reset

Steps to reproduce the problem:
1.Not install 
2. 
3. 

What is the expected behavior?

What went wrong?
only not instaal app

WebStore page: whattapp

Did this work before? No 

Chrome version: 44.0.2403.156  Channel: n/a
OS Version: 7077.134.0
Flash Version: Shockwave Flash 18.0 r0