Do not use the utility process on linux....

chrome/browser/extensions/extension_updater.cc

Index: chrome/browser/extensions/extension_updater.cc
===================================================================
--- chrome/browser/extensions/extension_updater.cc	(revision 27895)
+++ chrome/browser/extensions/extension_updater.cc	(working copy)
@@ -247,8 +247,16 @@
 
     // TODO(asargent) we shouldn't need to do this branch here - instead
     // UtilityProcessHost should handle it for us. (http://crbug.com/19192)
-    if (rdh && !CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kSingleProcess)) {
+    bool use_utility_process = rdh &&
+        !CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess);
+
+#if defined(OS_POSIX)
+    // TODO(port): Don't use a utility process on linux (crbug.com/22703) or
+    // MacOS (crbug.com/8102) until problems related to autoupdate are fixed.
+    use_utility_process = false;
+#endif
+
+    if (use_utility_process) {
       UtilityProcessHost* host = new UtilityProcessHost(
           rdh, this, updater_loop_);
       host->StartUpdateManifestParse(xml_);