Do not show apps section until default apps are installed.

chrome/browser/extensions/default_apps.h

Index: chrome/browser/extensions/default_apps.h
diff --git a/chrome/browser/extensions/default_apps.h b/chrome/browser/extensions/default_apps.h
index a6e899eba81972936a1cc74d3b4d6d0135d77679..b03f6ec16147bf44f0449f6407619ab197d08ac2 100644
--- a/chrome/browser/extensions/default_apps.h
+++ b/chrome/browser/extensions/default_apps.h
@@ -46,6 +46,9 @@ class DefaultApps {
   // Gets the list of default apps.
   const ExtensionIdSet* GetDefaultApps() const;
 
+  // Returns true if the default apps have been installed. False otherwise.
+  bool GetDefaultAppsInstalled() const;
+
   // Should be called after each app is installed. Once installed_ids contains
   // all the default apps, GetAppsToInstall() will start returning NULL.
   void DidInstallApp(const ExtensionIdSet& installed_ids);
@@ -69,7 +72,6 @@ class DefaultApps {
   FRIEND_TEST_ALL_PREFIXES(ExtensionDefaultApps,
                            ManualAppInstalledWhileInstallingDefaultApps);
 
-  bool GetDefaultAppsInstalled() const;
   void SetDefaultAppsInstalled(bool val);
 
   int GetPromoCounter() const;