Roll OTS r102 -> r103

This pulls in the following change:

r103 [OTS] Remove unused constants

BUG=
TBR=yusukes@chromium.org

Review URL: https://codereview.chromium.org/25703002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226487 0039d316-1c4b-4281-b951-d872f2087c98
Add NPAPI deprecation message to extensions docs.

BUG=295137
NOTRY=true

Review URL: https://codereview.chromium.org/25760002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226488 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 226488