AppCaches which belong to hosted apps are not protected from deletion

chrome/browser/profiles/profile.cc

Index: chrome/browser/profiles/profile.cc
diff --git a/chrome/browser/profiles/profile.cc b/chrome/browser/profiles/profile.cc
index ab8534d2c35bc8a4e7532880b3558b39aaeaff6e..3b6c7349a154b48ed89d64637cb8945b3c98fc15 100644
--- a/chrome/browser/profiles/profile.cc
+++ b/chrome/browser/profiles/profile.cc
@@ -761,8 +761,7 @@ class OffTheRecordProfileImpl : public Profile,
             IsOffTheRecord()
                 ? FilePath() : GetPath().Append(chrome::kAppCacheDirname),
             &GetResourceContext(),
-            make_scoped_refptr(GetExtensionSpecialStoragePolicy()),
-            false));
+            make_scoped_refptr(GetExtensionSpecialStoragePolicy())));
   }
 
   NotificationRegistrar registrar_;