Allow AppSearchProvider to provide recommendations.

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 436dbc2915a00ba7850d10a11c97e444b2ac1f02..c451c7100f14d80a5e09662194476865cf10df59 100644
--- a/chrome/browser/ui/app_list/search/app_search_provider.h
+++ b/chrome/browser/ui/app_list/search/app_search_provider.h
@@ -21,6 +21,10 @@ class ExtensionSet;
 
 namespace app_list {
 
+namespace test {
+class AppSearchProviderTest;
+}
+
 class AppSearchProvider : public SearchProvider,
                           public extensions::ExtensionRegistryObserver {
  public:
@@ -36,6 +40,10 @@ class AppSearchProvider : public SearchProvider,
   class App;
   typedef ScopedVector<App> Apps;
 
+  friend test::AppSearchProviderTest;
+
+  void StartImpl(const base::Time& current_time, const base::string16& query);
+
   // Adds extensions to apps container if they should be displayed.
   void AddApps(const extensions::ExtensionSet& extensions);
   void RefreshApps();