Sites with end-entity (leaf) certificates that expire on or after 1 January 2017, and which include a SHA-1-based signature as part of the certificate chain, will be treated as secure, but with minor errors The current visual display for neutral, lacking security is a blank page icon, and is used in other situations, such as HTTP, Chrome 41 (Branch point in Q1 2015) Subresources from such domain will be active mixed content”]
Source: https://security.googleblog.com/2014/09/gradually-sunsetting-sha-1.html