[webkit-reviews] review requested: [Bug 75290] [Refactoring] Migration over TreeScopes should be done by its own class. : [Attachment 120635] Rebased to ToT

[bugzilla-daemon at webkit.org]

MORITA Hajime <morrita at google.com> has asked  for review:
Bug 75290: [Refactoring] Migration over TreeScopes should be done by its own
class.
https://bugs.webkit.org/show_bug.cgi?id=75290

Attachment 120635: Rebased to ToT
https://bugs.webkit.org/attachment.cgi?id=120635&action=review