When the AAI Reporting Server 2.0 was released, there was a requirement to install Google Chrome on the Reporting Server.
This requirement comes from the the third party Tibco Jasper Server AAI used for the Reporting Server.
In AAI 6.4.6-1/Reporting Server 2.0.1 and later you can skip this installing google chrome when prompted during an installation or upgrade.
The 6.4.6-1 Release Notes state the following:
Which reports are actually affected by this requirement?
Release : 126.96.36.199