Convert calls to the utility process in service code to use the zygote on Linux.

chrome/browser/component_updater/component_updater_service.cc

Index: chrome/browser/component_updater/component_updater_service.cc
diff --git a/chrome/browser/component_updater/component_updater_service.cc b/chrome/browser/component_updater/component_updater_service.cc
index feaef13bee544f4ae34fc2126a953d8b83e69b7f..6e2d98d195fe1790910da9bacdc1611cfa981486 100644
--- a/chrome/browser/component_updater/component_updater_service.cc
+++ b/chrome/browser/component_updater/component_updater_service.cc
@@ -594,6 +594,7 @@ void CrxUpdateService::ParseManifest(const std::string& xml) {
     UtilityProcessHost* host =
         new UtilityProcessHost(new ManifestParserBridge(this),
                                BrowserThread::UI);
+    host->set_use_linux_zygote(true);
     host->Send(new ChromeUtilityMsg_ParseUpdateManifest(xml));
   }
 }