Sundar Pichai is CEO of Alphabet which is parent company of Google Company. Even Youtube belongs to Alphabet.
Leader has to empower team by removing blockers in team's path.
Initiative of Chrome browser which is Google's own browser at right time to avoid dependency on Internet Explorer is one of things that made Sundar Pichai as CEO of Alphabet.
Without Google Chrome browser, part of Google search engine market share would have gone easily to Microsoft Bing Search Engine.