Removing superfluous IsSmi check from DescriptorArray::IsEmpty. DescriptorArray::IsEmpty is never called with a Smi.
Removing superfluous IsSmi check from DescriptorArray::IsEmpty.
DescriptorArray::IsEmpty is never called with a Smi.

Review URL: https://chromiumcodereview.appspot.com/10555024

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@11846 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh