Bug 1126089 - Use async messages for crash revival (r=ttaubert)

browser/components/sessionstore/content/content-sessionStore.js

@@ -754,7 +754,7 @@ function handleRevivedTab() {
     // won't be sent or received. The child-process message manager works though,
     // despite the fact that we're really running in the parent process.
     let browser = docShell.chromeEventHandler;
-    cpmm.sendSyncMessage("SessionStore:RemoteTabRevived", null, {browser: browser});
+    cpmm.sendAsyncMessage("SessionStore:RemoteTabRevived", null, {browser: browser});
   }
 }
 

browser/components/sessionstore/test/browser.ini

@@ -72,7 +72,7 @@ support-files =
 [browser_cleaner.js]
 [browser_cookies.js]
 [browser_crashedTabs.js]
-skip-if = !e10s || os == "linux" # Waiting on OMTC enabled by default on Linux (Bug 994541)
+skip-if = !e10s
 [browser_dying_cache.js]
 [browser_dynamic_frames.js]
 [browser_form_restore_events.js]