
Adding constants from all current WebGL extensions.

R=gboyer


Revision created by MOE tool push_codebase.
MOE_MIGRATION=4327


git-svn-id: 35241bd708fe29f1f6c7a4322d322e99ff93b95e@1638 0b95b8e8-c90f-11de-9d4f-f947ee5921c8

Kuniwak/google-closure-library-jsdoc,Kuniwak/google-closure-library-jsdoc,rethinkdb/google-closure-library,jarib/google-closure-library,jarib/google-closure-library,rethinkdb/google-closure-library,rethinkdb/google-closure-library