In the code base of Chromium Added The ability to block the opening of the built-in interface browser to view the source texts of the current page. The blocking is performed at the local policy level specified by the administrator, through the addition of adding a “View-Source: *” mask to the list of the prohibited URL, customizable using the URLBLOCLIST parameter. Changing complements the previously present DeveloprtoolsDisabled option, allowing you to close access to the tools for Web developers.
Need to disable the interface to view the code of pages explains by the fact that resourceful students and schoolchildren Use access to source texts to search for correct answers when texts in educational Web platforms that check the responses on the user browser side. Including similarly schoolchildren bypass the tests based on the Google Forms platform. It is noteworthy that the “View-Source: *” lock completely does not fully solve the problem and the student remains the ability to save the page using the ‘Save As …’ menu to follow the search for an answer in another program.