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

chrome/browser/web_resource/web_resource_service.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 #include "chrome/browser/web_resource/web_resource_service.h"
 
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_thread.h"
@@ skipping 85 matching lines @@
  public:
   UnpackerClient(WebResourceService* web_resource_service,
                  const std::string& json_data)
     : web_resource_service_(web_resource_service),
       json_data_(json_data), got_response_(false) {
   }
 
   void Start() {
     AddRef();  // balanced in Cleanup.
 
-    if (web_resource_service_->resource_dispatcher_host_) {
+    // If we don't have a resource_dispatcher_host_, assume we're in
+    // a test and run the unpacker directly in-process.
+    bool use_utility_process =
+        web_resource_service_->resource_dispatcher_host_ != NULL;
+
+#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) {
       ChromeThread::GetMessageLoop(ChromeThread::IO)->PostTask(FROM_HERE,
           NewRunnableMethod(this, &UnpackerClient::StartProcessOnIOThread,
                             web_resource_service_->resource_dispatcher_host_,
                             MessageLoop::current()));
     } else {
-      // If we don't have a resource_dispatcher_host_, assume we're in
-      // a test and run the unpacker directly in-process.
       WebResourceUnpacker unpacker(json_data_);
       if (unpacker.Run()) {
         OnUnpackWebResourceSucceeded(*unpacker.parsed_json());
       } else {
         OnUnpackWebResourceFailed(unpacker.error_message());
       }
     }
   }
 
  private:
@@ skipping 156 matching lines @@
 
 void WebResourceService::UpdateResourceCache(const std::string& json_data) {
   UnpackerClient* client = new UnpackerClient(this, json_data);
   client->Start();
 
   // Update resource server and cache update time in preferences.
   prefs_->SetString(prefs::kNTPTipsCacheUpdate,
       DoubleToWString(base::Time::Now().ToDoubleT()));
   prefs_->SetString(prefs::kNTPTipsServer, web_resource_server_);
 }
-