Auto merge of #21325 - gterzian:crossbeam_integration, r=SimonSapin,jdm

Replace mpsc with crossbeam-channel

Follow up on https://github.com/servo/servo/pull/19515

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Selecting over multiple channels in `std::sync::mpsc` is not stable and likely never will be:

https://github.com/rust-lang/rust/issues/27800#issuecomment-260136777
> It seems the only thing keeping `mpsc_select` around is Servo.

crossbeam-channel is designed specifically to replace `std::sync::mpsc` and fix many of its shortcomings:
https://github.com/stjepang/rfcs-crossbeam/blob/channel/text/2017-11-09-channel.md

This is to be landed together with https://github.com/servo/ipc-channel/pull/183.

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1 files changed, 1 insertions, 1 deletions

diff --git a/components/script/dom/servoparser/async_html.rs b/components/script/dom/servoparser/async_html.rs
index 7a1319dc31d..5fe911deb0b 100644
--- a/components/script/dom/servoparser/async_html.rs
+++ b/components/script/dom/servoparser/async_html.rs
@@ -27,12 +27,12 @@ use html5ever::tendril::fmt::UTF8;
 use html5ever::tokenizer::{Tokenizer as HtmlTokenizer, TokenizerOpts, TokenizerResult};
 use html5ever::tree_builder::{ElementFlags, NodeOrText as HtmlNodeOrText, NextParserState, QuirksMode, TreeSink};
 use html5ever::tree_builder::{TreeBuilder, TreeBuilderOpts};
+use servo_channel::{channel, Receiver, Sender};
 use servo_url::ServoUrl;
 use std::borrow::Cow;
 use std::cell::Cell;
 use std::collections::HashMap;
 use std::collections::vec_deque::VecDeque;
-use std::sync::mpsc::{channel, Receiver, Sender};
 use std::thread;
 use style::context::QuirksMode as ServoQuirksMode;