Wired background loader component extension.

chrome/browser/extensions/component_loader.cc

Index: chrome/browser/extensions/component_loader.cc
diff --git a/chrome/browser/extensions/component_loader.cc b/chrome/browser/extensions/component_loader.cc
index bc54f827e8b5275ad4a8624b7afd3dbc00934298..9c33be828570292ec369e3b3a286261b01b9d051 100644
--- a/chrome/browser/extensions/component_loader.cc
+++ b/chrome/browser/extensions/component_loader.cc
@@ -324,6 +324,12 @@ void ComponentLoader::AddDefaultComponentExtensions() {
 #endif
 
 #if defined(OS_CHROMEOS)
+  const CommandLine* command_line = CommandLine::ForCurrentProcess();
+  if (command_line->HasSwitch(switches::kEnableBackgroundLoader)) {
+    Add(IDR_BACKLOADER_MANIFEST,
+        FilePath(FILE_PATH_LITERAL("backloader")));
+  }
+
   Add(IDR_MOBILE_MANIFEST,
       FilePath(FILE_PATH_LITERAL("/usr/share/chromeos-assets/mobile")));
 
@@ -333,7 +339,6 @@ void ComponentLoader::AddDefaultComponentExtensions() {
   AddGaiaAuthExtension();
 
   // TODO(gauravsh): Only include echo extension on official builds.
-  const CommandLine* command_line = CommandLine::ForCurrentProcess();
   FilePath echo_extension_path(FILE_PATH_LITERAL(
       "/usr/share/chromeos-assets/echo"));
   if (command_line->HasSwitch(switches::kEchoExtensionPath)) {