Add new VS AddIn examples.

The previous commit done via 'git cl dcommit' failed
to include these changes that were made as part of this
review:

http://codereview.chromium.org/11150028/

BUG=

Review URL: https://codereview.chromium.org/11191009

git-svn-id: https://nativeclient-sdk.googlecode.com/svn/trunk/src@1452 050acbb0-2703-11df-ab0a-9f3f633ae91d
11 files changed