Make platform apps get isolated storage by default.

chrome/browser/profiles/off_the_record_profile_impl.cc

Index: chrome/browser/profiles/off_the_record_profile_impl.cc
diff --git a/chrome/browser/profiles/off_the_record_profile_impl.cc b/chrome/browser/profiles/off_the_record_profile_impl.cc
index b5b74f412f9aae27f93ee96d7fa3c6a48b8833f0..6338595ca268269454ceecf905cfd230dfeb5570 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl.cc
+++ b/chrome/browser/profiles/off_the_record_profile_impl.cc
@@ -282,9 +282,7 @@ net::URLRequestContextGetter*
   if (GetExtensionService()) {
     const Extension* installed_app = GetExtensionService()->
         GetInstalledAppForRenderer(renderer_child_id);
-    if (installed_app != NULL && installed_app->is_storage_isolated() &&
-        installed_app->HasAPIPermission(
-            ExtensionAPIPermission::kExperimental)) {
+    if (installed_app != NULL && installed_app->is_storage_isolated()) {
       return GetRequestContextForIsolatedApp(installed_app->id());
     }
   }