Re-apply 192420: Move login switches to src/chromeos

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 5f4da14d79716c9aa494bbf54af523e440e2a300..e243bdeacdc809535039f30c653dfd8fd121e615 100644
--- a/chrome/browser/extensions/component_loader.cc
+++ b/chrome/browser/extensions/component_loader.cc
@@ -34,6 +34,7 @@
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/login/user_manager.h"
+#include "chromeos/chromeos_switches.h"
 #endif
 
 #if defined(ENABLE_APP_LIST)
@@ -355,7 +356,7 @@ void ComponentLoader::AddDefaultComponentExtensions(
   // Skip all other extensions that require user session presence.
   if (!skip_session_components) {
     const CommandLine* command_line = CommandLine::ForCurrentProcess();
-    if (!command_line->HasSwitch(switches::kGuestSession))
+    if (!command_line->HasSwitch(chromeos::switches::kGuestSession))
       Add(IDR_BOOKMARKS_MANIFEST,
           base::FilePath(FILE_PATH_LITERAL("bookmark_manager")));
 
@@ -423,7 +424,7 @@ void ComponentLoader::AddDefaultComponentExtensionsWithBackgroundPages(
       // Don't load Quickoffice component extension in Guest mode because
       // it doesn't work in Incognito mode due to disabled temp fs.
       // TODO(dpolukhin): enable Quickoffice in Guest mode.
-      if (!command_line->HasSwitch(switches::kGuestSession)) {
+      if (!command_line->HasSwitch(chromeos::switches::kGuestSession)) {
         Add(IDR_QUICK_OFFICE_MANIFEST, base::FilePath(FILE_PATH_LITERAL(
                                   "/usr/share/chromeos-assets/quick_office")));
       }