Bug 1921537 - Use fluent-ffi to properly adapt Rust fluent bundle to gecko. r=mkmelin

Differential Revision: https://phabricator.services.mozilla.com/D224007

--HG--
extra : amend_source : a7cf94a46be2073cbee4bfdc8c20a6ecda4da904

rust/Cargo.lock

@@ -5143,6 +5143,7 @@ version = "0.1.0"
 dependencies = [
  "cstr",
  "fluent",
+ "fluent-ffi",
  "ksni",
  "log",
  "moz_task",

rust/sys_tray/Cargo.toml

@@ -14,6 +14,7 @@ nsstring = { path = "../../../xpcom/rust/nsstring" }
 thin-vec = "0.2"
 unic-langid = "0.9"
 xpcom = { path = "../../../xpcom/rust/xpcom" }
+fluent-ffi = { path = "../../../intl/l10n/rust/fluent-ffi" }
 
 [target.'cfg(all(target_os = "linux", target_arch = "x86_64"))'.dependencies]
 ksni = "0.2.2"

rust/sys_tray/src/linux/mod.rs

@@ -2,10 +2,11 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-use fluent::FluentBundle;
+use fluent_ffi::{adapt_bundle_for_gecko, FluentBundleRc};
 use ksni::Handle;
 use nserror::{nsresult, NS_OK};
 use std::os::raw::c_void;
+use std::rc::Rc;
 use system_tray::{SystemTray, TrayItem, XdgIcon};
 use xpcom::{nsIID, xpcom_method, RefPtr};
 
@@ -41,9 +42,11 @@ impl LinuxSysTrayHandler {
     pub fn new() -> RefPtr<LinuxSysTrayHandler> {
         let locs = locales::app_locales().expect("Failed to retrieve application locales");
         let resource = locales::fl_resource().expect("Failed to parse fluent templates");
-        let mut bundle = FluentBundle::new(locs);
+        let mut bundle = FluentBundleRc::new(locs);
+        adapt_bundle_for_gecko(&mut bundle, None);
+
         bundle
-            .add_resource(resource)
+            .add_resource(Rc::new(resource))
             .expect("Failed to add resources to bundle");
 
         // Grab the quit message