Consolidate anonymous namespace content and file-static methods to all be in the anonymous namespace, in preparation for refactoring a few of the functions a little.
Consolidate anonymous namespace content and file-static methods to all be in the
anonymous namespace, in preparation for refactoring a few of the functions a
little.

No code change.

BUG=none
TEST=none
R=henrik.lundin@webrtc.org, tina.legrand@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/36949004

git-svn-id: 03ae4fbe531b1eefc9d815f31e49022782c42458@8155 4adac7df-926f-26a2-2b94-8c16560cd09d

Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,jchavanton/webrtc,aleonliao/webrtc-trunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,sippet/webrtc,sippet/webrtc,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,aleonliao/webrtc-trunk,jchavanton/webrtc,krieger-od/webrtc,krieger-od/webrtc,sippet/webrtc,sippet/webrtc,sippet/webrtc,krieger-od/webrtc,krieger-od/webrtc,jchavanton/webrtc,jchavanton/webrtc,krieger-od/webrtc,aleonliao/webrtc-trunk,aleonliao/webrtc-trunk,jchavanton/webrtc,Alkalyne/webrtctrunk,jchavanton/webrtc,aleonliao/webrtc-trunk,Alkalyne/webrtctrunk,aleonliao/webrtc-trunk,krieger-od/webrtc,sippet/webrtc,jchavanton/webrtc