[GCM] Fix inconsistent line endings and add correct svn eol-style value

TBR=fgorski@chromium.org
BUG=none



git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236835 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 236835