Leak of 16 bytes in 1 objects allocated from:
	@ 8c06b85 v8::internal::NativeObjectsExplorer::FindOrAddGroupInfo

BUG=112315
TEST=heapcheck build

Review URL: https://chromiumcodereview.appspot.com/9307050

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10590 ce2b1a6d-e550-0410-aec6-3dcde31c8c00