Enable graphical offline analysis for memory heap snapshots.

[polina-c]

There are number of ways to take heap snapshot:

1. Invoke NativeRuntime.writeHeapSnapshotToFile in running application
2. Use Autosnapshotting
3. Use DevTools > Memory

You can analyse the snapshots with CLI.

At the moment graphical snapshot analysis require live connection to the application.

If you are interested in graphical offline analysis and/or diffing for snapshots with a GUI tool, upvote this issue and add comment with details about your exact usage story.