split ::using declarations for RepeatedField into a separate header

git-svn-id: http://google-cache-invalidation-api.googlecode.com/svn/trunk/src/google@311 1cc9d426-c294-39be-ba72-c0199ca0f247
2 files changed
tree: 0ac590202e321c7614c3df4607a40d462608b8af
  1. cacheinvalidation/