Uninstalling bookmark apps should not DeleteOrigin.

chrome/browser/extensions/data_deleter.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/data_deleter.h"
 
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_special_storage_policy.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 82 matching lines @@
             ExtensionSystem::Get(profile)->extension_service()->AsWeakPtr(),
             callback));
   } else {
     GURL launch_web_url_origin(
         AppLaunchInfo::GetLaunchWebURL(extension).GetOrigin());
 
     StoragePartition* partition = BrowserContext::GetStoragePartitionForSite(
         profile,
         Extension::GetBaseURLFromExtensionId(extension->id()));
 
-    if (extension->is_hosted_app() &&
-        !profile->GetExtensionSpecialStoragePolicy()->
-            IsStorageProtected(launch_web_url_origin)) {
+    ExtensionSpecialStoragePolicy* storage_policy =
+        profile->GetExtensionSpecialStoragePolicy();
+    if (storage_policy->NeedsProtection(extension) &&
+        !storage_policy->IsStorageProtected(launch_web_url_origin)) {
       DeleteOrigin(profile,
                    partition,
                    launch_web_url_origin,
                    base::Bind(&base::DoNothing));
     }
     DeleteOrigin(profile, partition, extension->url(), callback);
   }
 
   // Begin removal of the settings for the current extension.
   // StorageFrontend may not exist in unit tests.
   StorageFrontend* frontend = StorageFrontend::Get(profile);
   if (frontend)
     frontend->DeleteStorageSoon(extension->id());
 }
 
 }  // namespace extensions