Have the utility process run out of process on Linux again by

chrome/browser/extensions/extension_updater.cc

Index: chrome/browser/extensions/extension_updater.cc
diff --git a/chrome/browser/extensions/extension_updater.cc b/chrome/browser/extensions/extension_updater.cc
index 6267e5eed09df26230c797693369b7d9b313e99a..922890517e77b358ef4b2f9c2d14517253c9e162 100644
--- a/chrome/browser/extensions/extension_updater.cc
+++ b/chrome/browser/extensions/extension_updater.cc
@@ -284,12 +284,6 @@ class SafeManifestParser : public UtilityProcessHost::Client {
     // UtilityProcessHost should handle it for us. (http://crbug.com/19192)
     bool use_utility_process = rdh &&
         !CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess);
-
-#if defined(OS_LINUX)
-    // TODO(port): Don't use a utility process on linux (crbug.com/22703).
-    use_utility_process = false;
-#endif
-
     if (use_utility_process) {
       UtilityProcessHost* host = new UtilityProcessHost(
           rdh, this, ChromeThread::UI);