What are chrome: URLs?

What are all those chrome: URLs? This video explains. Chapters: 0:00: Introduction 0:39: What are the types of chrome: URLs? 1:29: Chrome setup 3:44: Chrome environment 4:35: Testing and experimentation 6:41: What are Chrome internals pages? 8:48: Find out more More Chrome Concepts videos → Subscribe to Google Chrome Developers → #ChromeConcepts #ChromeForDevelopers