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

chrome/browser/ui/app_list/search/app_search_provider.h

Index: chrome/browser/ui/app_list/search/app_search_provider.h
diff --git a/chrome/browser/ui/app_list/search/app_search_provider.h b/chrome/browser/ui/app_list/search/app_search_provider.h
index 530a782db8d84b72abada2533db47b1d3536a82c..5dfb5ffabca8c20e3db7b929f30015da390fdbcf 100644
--- a/chrome/browser/ui/app_list/search/app_search_provider.h
+++ b/chrome/browser/ui/app_list/search/app_search_provider.h
@@ -13,9 +13,12 @@
 
 class AppListControllerDelegate;
 class ExtensionService;
-class ExtensionSet;
 class Profile;
 
+namespace extensions {
+class ExtensionSet;
+}
+
 namespace app_list {
 
 class AppSearchProvider : public SearchProvider,
@@ -34,7 +37,8 @@ class AppSearchProvider : public SearchProvider,
   typedef ScopedVector<App> Apps;
 
   // Adds extensions to apps container if they should be displayed.
-  void AddApps(const ExtensionSet* extensions, ExtensionService* service);
+  void AddApps(const extensions::ExtensionSet* extensions,
+               ExtensionService* service);
   void RefreshApps();
 
   // content::NotificationObserver overrides: