tree dff4e46344abc547f0f93a230d65403087a28df3
parent 8be1d13af7cec2c3961a25fd1f91297e718bc937
author Matthew Dempsky <mdempsky@google.com> 1560816868 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> 1560816868 +0000

[vm] Replace MessageHandler::task_ with task_running_

MessageHandler doesn't actually need a reference to the
ThreadPool::Task, it just wants to know if one is running or not.
Replacing it with a simple boolean will simplify switching
ThreadPool::Task to use std::unique_ptr.

Updates #37244.

Change-Id: Ie69ec38523f009ba559678fd544efa4cc8ead7dd
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/106008
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Matthew Dempsky <mdempsky@google.com>