gdata: Rename functions in GDataAuthService per OAuth2 terminology

chrome/browser/chromeos/gdata/gdata_documents_service.cc

Index: chrome/browser/chromeos/gdata/gdata_documents_service.cc
diff --git a/chrome/browser/chromeos/gdata/gdata_documents_service.cc b/chrome/browser/chromeos/gdata/gdata_documents_service.cc
index 0a8213f5520d0a3c6ac7df7cbe5db948efa240e9..8666e77b9af4d9292dd7ae7b167f29afd23ec3eb 100644
--- a/chrome/browser/chromeos/gdata/gdata_documents_service.cc
+++ b/chrome/browser/chromeos/gdata/gdata_documents_service.cc
@@ -271,16 +271,16 @@ void DocumentsService::AuthorizeApp(const GURL& resource_url,
                                  resource_url, app_ids));
 }
 
-bool DocumentsService::IsFullyAuthenticated() const {
+bool DocumentsService::HasAccessToken() const {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
-  return runner_->auth_service()->IsFullyAuthenticated();
+  return runner_->auth_service()->HasAccessToken();
 }
 
-bool DocumentsService::IsPartiallyAuthenticated() const {
+bool DocumentsService::HasRefreshToken() const {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
-  return runner_->auth_service()->IsPartiallyAuthenticated();
+  return runner_->auth_service()->HasRefreshToken();
 }
 
 }  // namespace gdata