tree aafd556a5a46a1ffaf61b3910a33330422d5135e
parent 7c2fa1e7bcd9f3f69f2efe9f12e3998ac0d02f04
author dan sinclair <dsinclair@google.com> 1595863500 +0000
committer Sarah Mashayekhi <sarahmashay@google.com> 1595863500 +0000

Convert IfStatement and ElseStatement to use BlockStatement.

This CL converts the IfStatement and ElseStatement classes to using a
BlockStatement internally. All usages have been updated execept for the
two readers.

Bug: tint:130
Change-Id: I59a5b92f22f35f27f17e005aa9b266f4a2b0ef25
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/25722
Reviewed-by: Sarah Mashayekhi <sarahmashay@google.com>