OTS: Adds more layout common table supports....

include/ots-memory-stream.h

Index: include/ots-memory-stream.h
===================================================================
--- include/ots-memory-stream.h	(revision 50)
+++ include/ots-memory-stream.h	(working copy)
@@ -18,7 +18,7 @@
       : ptr_(ptr), length_(length), off_(0) {
   }
 
-  bool WriteRaw(const void *data, size_t length) {
+  virtual bool WriteRaw(const void *data, size_t length) {

[Yusuke Sato, 2011/02/04 06:12:52]

Please be consistent: if you add virtual to WriteRaw, please do it for Seek and
Tell as well.

[bashi, 2011/02/07 01:17:07]

Done.

     if ((off_ + length > length_) ||
         (length > std::numeric_limits<size_t>::max() - off_)) {
       return false;