WebView incorrecly displays search input corners on Walmart.com

Reproducible: always
Is a regression: no
Platform-specific: no
Steps to reproduce:
1. Open walmart.com and look at search input at the top
Expected: search input has plain right edge
Actual result: search input has rounded corners at the left edge.

--start--
<button style ='border-radius: 100px 0 0 100px; border: 0;'> Test </button>
<input> </input>
<button style='border-radius: 0 100px 100px 0; border:0;'> Test </button>
----end---

expected result :
Button border-radius should apply only for values mentioned in style honouring border value.