Move c/c/e/extension_set to top-level extensions/

chrome/browser/ui/webui/ntp/app_launcher_handler.cc

Index: chrome/browser/ui/webui/ntp/app_launcher_handler.cc
diff --git a/chrome/browser/ui/webui/ntp/app_launcher_handler.cc b/chrome/browser/ui/webui/ntp/app_launcher_handler.cc
index 0d6383a6ff1d57562c9f27bee2dd9d15c5885470..c04b77bf39aa2b85ed9927d96e35f9e422fae6de 100644
--- a/chrome/browser/ui/webui/ntp/app_launcher_handler.cc
+++ b/chrome/browser/ui/webui/ntp/app_launcher_handler.cc
@@ -425,20 +425,21 @@ void AppLauncherHandler::HandleGetApps(const ListValue* args) {
   // The first time we load the apps we must add all current app to the list
   // of apps visible on the NTP.
   if (!has_loaded_apps_) {
-    const ExtensionSet* extensions = extension_service_->extensions();
-    for (ExtensionSet::const_iterator it = extensions->begin();
+    const extensions::ExtensionSet* extensions =
+        extension_service_->extensions();
+    for (extensions::ExtensionSet::const_iterator it = extensions->begin();
          it != extensions->end(); ++it) {
       visible_apps_.insert((*it)->id());
     }
 
     extensions = extension_service_->disabled_extensions();
-    for (ExtensionSet::const_iterator it = extensions->begin();
+    for (extensions::ExtensionSet::const_iterator it = extensions->begin();
          it != extensions->end(); ++it) {
       visible_apps_.insert((*it)->id());
     }
 
     extensions = extension_service_->terminated_extensions();
-    for (ExtensionSet::const_iterator it = extensions->begin();
+    for (extensions::ExtensionSet::const_iterator it = extensions->begin();
          it != extensions->end(); ++it) {
       visible_apps_.insert((*it)->id());
     }