Side note: it really pisses me off that Google picks language and tool names that have really poor SEO and are often names for existing CS concepts. Go and Dart have terrible SEO, and Chrome and Closure already mean something in their fields.
When it was first announced, I complained about "Go" and someone said it provides an interesting challenge for the search engine team. (There are lots of synonyms.)
I find that searching on "golang" generally does the trick.
But you might be remembering the old Dart IDE, which was based on Eclipse.