There is a "Automatically send usage statistics and crash reports to Google" checkbox right in the settings. It even asks you during the install. Just uncheck t

There is a "Automatically send usage statistics and crash reports to Google" checkbox right in the settings. It even asks you during the install. Just uncheck the box to disable. They also recorded this data as part of the Chrome extension, not natively. If you want to see more about the native metrics Chrome sends to Google, check out "chrome://histograms/"